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  • Question 1 - You are seeing a 67-year-old woman who has recently been diagnosed with urge...

    Incorrect

    • You are seeing a 67-year-old woman who has recently been diagnosed with urge incontinence. She has tried conservative measures, such as optimizing fluid and caffeine intake and completing six weeks of bladder training, which have helped to some extent. However, her main symptom of nocturia continues to affect her sleep and well-being. She has no other medical history and currently takes no regular medication. What is the next most appropriate treatment?

      Your Answer: Desmopressin

      Correct Answer: Oxybutinin

      Explanation:

      Management Options for Urge Incontinence: Medications, Procedures, and Desmopressin

      Urge incontinence is a common condition that can significantly impact a patient’s quality of life. While conservative treatments such as pelvic floor exercises and bladder training are often the first line of management, some patients may require additional interventions. Here are some options for managing urge incontinence:

      Oxybutinin: This anticholinergic medication is often used as first-line treatment for urge incontinence that has not responded to conservative measures. It works by inhibiting muscarinic action on acetylcholine receptors, preventing muscle contraction. However, it is contraindicated in certain patients and can cause side effects such as dry mouth and constipation.

      Percutaneous sacral nerve stimulation: This procedure involves a small stimulator that delivers stimulation to the sacral nerve, leading to contraction of the external sphincter and pelvic floor muscles. It is reserved for patients who have failed other treatments or cannot perform intermittent self-catheterization.

      Augmentation cystoplasty: This surgical procedure is reserved for severe cases of urge incontinence that have not responded to other management options. It involves resecting a segment of the small bowel and suturing it to the bladder to increase its size. However, it is associated with numerous complications and requires follow-up.

      Botulinum toxin: This is the first-line invasive management for patients who have not improved on anticholinergic medication or do not want drug therapy. It is injected into the bladder to inhibit the release of acetylcholine and provide symptom relief for up to six months.

      Desmopressin: This synthetic analogue of antidiuretic hormone is used as second-line management for nocturia in patients with urge incontinence. It works by signaling the transportation of aquaporins in the collecting ducts of the kidney, leading to water reabsorption and less urine production. However, it is contraindicated in certain patients and can cause side effects such as hyponatremia and fluid retention.

      In summary, there are several options for managing urge incontinence, ranging from medications to procedures. It is important to consider the patient’s individual needs and contraindications when selecting a treatment plan.

    • This question is part of the following fields:

      • Gynaecology
      30.6
      Seconds
  • Question 2 - A 63-year-old man presents with persistent diarrhoea and abdominal pain. During the past...

    Correct

    • A 63-year-old man presents with persistent diarrhoea and abdominal pain. During the past week, he experienced several days of reduced bowel movements. Upon further questioning, he admits to occasional blood in his stools.

      On examination, his heart rate is 86 bpm and his temperature is 37.9ºC. There is tenderness in the lower left quadrant. He is admitted and treated. A CT chest, abdomen, and pelvis reveals mural thickening of the colon and pericolic fat stranding in the sigmoid colon.

      What lifestyle recommendations can aid in managing the probable diagnosis?

      Your Answer: Increase fruit and vegetables in his diet

      Explanation:

      Increasing dietary fibre intake, specifically through the addition of fruits and vegetables, is a helpful measure for managing diverticular disease. In the case of this man, his altered bowel habits and presence of blood in his stools, along with the CT scan findings of sigmoid colon inflammation and pericolic fat stranding, indicate acute diverticulitis. This diagnosis is supported by his low-grade fever. Diverticular disease is the most common cause of inflammation in the sigmoid colon, and constipation is a common cause of diverticulosis. Therefore, increasing dietary fibre intake can help prevent constipation and reduce the likelihood of worsening diverticular disease. Restricting fluid intake, reducing alcohol consumption, smoking cessation, and stress reduction are not directly helpful for managing diverticular disease in this patient.

      Understanding Diverticular Disease

      Diverticular disease is a common condition that involves the protrusion of colonic mucosa through the muscular wall of the colon. This typically occurs between the taenia coli, where vessels penetrate the muscle to supply the mucosa. Symptoms of diverticular disease include altered bowel habits, rectal bleeding, and abdominal pain. Complications can arise, such as diverticulitis, haemorrhage, fistula development, perforation and faecal peritonitis, abscess formation, and diverticular phlegmon.

      To diagnose diverticular disease, patients may undergo a colonoscopy, CT cologram, or barium enema. However, it can be challenging to rule out cancer, especially in diverticular strictures. For acutely unwell surgical patients, plain abdominal films and an erect chest x-ray can identify perforation, while an abdominal CT scan with oral and intravenous contrast can detect acute inflammation and local complications.

      Treatment for diverticular disease includes increasing dietary fibre intake and managing mild attacks with antibiotics. Peri colonic abscesses may require surgical or radiological drainage, while recurrent episodes of acute diverticulitis may necessitate a segmental resection. Hinchey IV perforations, which involve generalised faecal peritonitis, typically require a resection and stoma, with a high risk of postoperative complications and HDU admission. Less severe perforations may be managed with laparoscopic washout and drain insertion.

    • This question is part of the following fields:

      • Surgery
      29.3
      Seconds
  • Question 3 - A 56-year-old man presents to the emergency department with dyspnea. A chest x-ray...

    Incorrect

    • A 56-year-old man presents to the emergency department with dyspnea. A chest x-ray is performed, and pleural fluid is aspirated for analysis. The pleural fluid results reveal:
      - Fluid Protein 58 g/L (normal range: 10-20g/L)
      - Fluid LDH 1048 IU/L (less than 50% of plasma concentration)
      - Fluid Glucose 1.2 mmol/L (normal range: 4-11 mmol/L)
      - Fluid pH 7.23 (normal range: 7.60-7.64)
      - Cell Cytology shows normal cytology with benign reactive changes

      His admission blood results are as follows:
      - Hb 145 g/L (normal range: 135-180)
      - Platelets 376 * 109/L (normal range: 150-400)
      - Total Protein 73 g/L (normal range: 60-83)
      - PT 11.2 s (normal range: 11-13.5)
      - LDH 145 IU/L (normal range: 135-225)
      - Glucose 5.8 mmol/L (normal range: 4-8)
      - pH 7.38 (normal range: 7.35-7.45)

      What is the most appropriate course of action for managing this patient?

      Your Answer: Start IV antibiotics

      Correct Answer: Insert a chest drain and commence antibiotic therapy

      Explanation:

      Prompt drainage alongside antibiotic therapy is necessary for the management of an empyema. Therefore, the correct course of action is to insert a chest drain and commence antibiotic therapy. The diagnosis of empyema can be confirmed using Light’s criteria, which indicates an exudative effusion with a pleural fluid protein to serum protein ratio greater than 0.5 and/or a pleural fluid LDH to serum LDH ratio greater than 0.6. A pleural fluid pH <7.3 and a very low pleural glucose concentration (<1.6 mmol/L) are also indicative of empyema. The normal cell cytology makes malignancy unlikely. The patient's platelet and PT levels are appropriate for chest drain insertion, so there is no need to refer for investigation under the oncology team or to gastroenterology to investigate for liver cirrhosis. Starting IV antibiotics alone is insufficient for managing an empyema, as prompt drainage is necessary to give antibiotics the best chance of success. A chest drain is a tube that is inserted into the pleural cavity to allow air or liquid to move out of the cavity. It is used in cases of pleural effusion, pneumothorax, empyema, haemothorax, haemopneumothorax, chylothorax, and some cases of penetrating chest wall injury in ventilated patients. However, there are relative contraindications to chest drain insertion, such as an INR greater than 1.3, a platelet count less than 75, pulmonary bullae, and pleural adhesions. The patient should be positioned in a supine position or at a 45º angle, and the area should be anaesthetised using local anaesthetic injection. The drainage tube is then inserted using a Seldinger technique and secured with either a straight stitch or an adhesive dressing. Complications that may occur include failure of insertion, bleeding, infection, penetration of the lung, and re-expansion pulmonary oedema. The chest drain should be removed when there has been no output for > 24 hours and imaging shows resolution of the fluid collection or pneumothorax. Drains inserted in cases of penetrating chest injury should be reviewed by the specialist to confirm an appropriate time for removal.

    • This question is part of the following fields:

      • Medicine
      35.1
      Seconds
  • Question 4 - You are a medical senior house officer seeing a patient called Edith with...

    Correct

    • You are a medical senior house officer seeing a patient called Edith with your consultant. Edith is a very frail 88-year-old lady with urinary sepsis and a history of metastatic bladder carcinoma. Your consultant completes her ward round and is of the opinion that cardiopulmonary resuscitation (CPR) would be unsuccessful if Edith were to have a cardiac arrest. After the round, a nurse asks you to complete a Do Not Attempt Resuscitation order (DNAR), which will mean that Edith would not undergo CPR in the event of a cardiac arrest. Edith does not currently have mental capacity to make decisions about her care. You have not discussed resuscitation with Edith or her family and do not have any more information available to you at this time. Her son has been appointed Power of Attorney, which includes provision for him to make decisions about Edith’s welfare and medical care.
      Select the most appropriate action to take in this case.

      Your Answer: Attempt to contact Edith’s son to discuss the DNACPR order first and then complete the DNAR form

      Explanation:

      Making Decisions about DNACPR and DNAR Orders for Patients without Capacity

      When a patient lacks capacity, decisions about their care must be made by their appointed Lasting Power of Attorney (LPA) for health and welfare. In the case of Edith, a decision has been made by the consultant that CPR would not be successful, and a DNACPR order must be put in place to avoid futile attempts at resuscitation. It is good practice to discuss this decision with Edith’s son, who has been assigned as her LPA. However, if he cannot be reached, the order must still be put in place, with continued attempts to contact him for discussion.

      It is important to note that a DNAR form should only be completed when the patient has regained mental capacity and can consent to the decision. In Edith’s case, a senior clinician has already determined that attempts at resuscitation would be unsuccessful, and waiting for the consultant to sign the DNAR form may cause harm to Edith if she suffers a cardiac arrest before it is completed.

      While it is important to involve the LPA in discussions about the patient’s care, the decision on whether to attempt CPR is ultimately a clinical decision made by the multidisciplinary team. If there is disagreement between the healthcare team and the LPA, a second opinion can be sought, and if necessary, the Court of Protection may be asked to make a declaration. However, the priority should always be the patient’s best interest and avoiding unnecessary distress or harm.

    • This question is part of the following fields:

      • Ethics And Legal
      39.3
      Seconds
  • Question 5 - A toddler with macrosomia has had a difficult delivery, owing to shoulder dystocia....

    Correct

    • A toddler with macrosomia has had a difficult delivery, owing to shoulder dystocia. The obstetrician pulled the child’s head downwards towards the floor to disengage the anterior shoulder from below the pubic bones. When the child is having a check-up prior to discharge, the paediatrician notes that the left upper limb is adducted and medially rotated, with extension at the elbow joint. When questioned, the mother admits that the child has not been moving it.
      What is the most likely diagnosis?

      Your Answer: Erb–Duchenne palsy due to trauma to the upper trunk of the brachial plexus

      Explanation:

      Differentiating Brachial Plexus Injuries: Causes and Symptoms

      The brachial plexus is a network of nerves that originates from the spinal cord and supplies the upper limb. Trauma to this network can result in various types of injuries, each with its own set of symptoms. Here are some of the common types of brachial plexus injuries and their distinguishing features:

      Erb-Duchenne Palsy: This injury occurs due to trauma to the upper trunk of the brachial plexus, typically during obstructed labor or delivery. The affected muscles include those supplied by the musculocutaneous, radial, and axillary nerves, resulting in adduction and medial rotation of the arm, wrist drop, and sensory loss along the posterolateral aspect of the limb.

      Isolated Radial Nerve Injury: This type of injury is associated with paralysis of the wrist and digital extensors, as well as the triceps. However, medial rotation of the humerus is not affected.

      Klumpke’s Palsy: This injury is caused by trauma to the lower trunk of the brachial plexus, often during difficult delivery or sudden upward stretching of the upper limb. It results in claw hand due to damage to T1, causing paralysis of the short muscles of the hand.

      Isolated Axillary Nerve Injury: With this type of injury, the wrist extensors function normally.

      Isolated Musculocutaneous Nerve Injury: This injury is not associated with wrist drop.

      In summary, understanding the specific symptoms associated with each type of brachial plexus injury can aid in accurate diagnosis and treatment.

    • This question is part of the following fields:

      • Paediatrics
      34.3
      Seconds
  • Question 6 - A 35-year-old intravenous drug user has been diagnosed with osteomyelitis of the right...

    Correct

    • A 35-year-old intravenous drug user has been diagnosed with osteomyelitis of the right tibia. What organism is most likely responsible for this infection?

      Your Answer: Staphylococcus aureus

      Explanation:

      Understanding Osteomyelitis: Types, Causes, and Treatment

      Osteomyelitis is a bone infection that can be classified into two types: haematogenous and non-haematogenous. Haematogenous osteomyelitis is caused by bacteria that enter the bloodstream and is usually monomicrobial. It is more common in children, with vertebral osteomyelitis being the most common form in adults. Risk factors include sickle cell anaemia, intravenous drug use, immunosuppression, and infective endocarditis. On the other hand, non-haematogenous osteomyelitis results from the spread of infection from adjacent soft tissues or direct injury to the bone. It is often polymicrobial and more common in adults, with risk factors such as diabetic foot ulcers, pressure sores, diabetes mellitus, and peripheral arterial disease.

      Staphylococcus aureus is the most common cause of osteomyelitis, except in patients with sickle-cell anaemia where Salmonella species predominate. To diagnose osteomyelitis, MRI is the imaging modality of choice, with a sensitivity of 90-100%. Treatment for osteomyelitis involves a six-week course of flucloxacillin. Clindamycin is an alternative for patients who are allergic to penicillin.

      In summary, osteomyelitis is a bone infection that can be caused by bacteria entering the bloodstream or spreading from adjacent soft tissues or direct injury to the bone. It is more common in children and adults with certain risk factors. Staphylococcus aureus is the most common cause, and MRI is the preferred imaging modality for diagnosis. Treatment involves a six-week course of flucloxacillin or clindamycin for penicillin-allergic patients.

    • This question is part of the following fields:

      • Musculoskeletal
      23.6
      Seconds
  • Question 7 - What are the stimuli that trigger the release of insulin from beta cells...

    Correct

    • What are the stimuli that trigger the release of insulin from beta cells in the pancreas?

      Your Answer: GLP-1, amino acids and glucagon

      Explanation:

      Factors that Stimulate Insulin Release

      Insulin release is not only stimulated by a rise in plasma glucose but also by other factors. Insulin is stored in secretory granules in beta cells and is rapidly released when a meal is ingested. The main mechanism that stimulates insulin release is an increase in adenosine triphosphate (ATP) production within the beta cell, resulting from an increase in glucose availability. This closes a KATP channel in the cell membrane, which depolarizes the membrane and causes an influx of calcium. The increase in intracellular calcium stimulates the mobilization of insulin-containing secretory granules to the membrane and releases the hormone into the circulation.

      GLP-1, a gut hormone released in response to food ingestion, has an important incretin effect. This effect amplifies glucose-stimulated insulin release in pancreatic beta cells. It is believed to result from the action of GLP-1 on a separate K+ channel in the beta cell. A number of newer medications used in the treatment of type 2 diabetes mellitus work via the incretin effect.

      Three amino acids, arginine, glycine, and alanine, also stimulate insulin release. This occurs due to the co-transport of amino acid with Na+ into the beta cell via a symporter, rather than an effect on the KATP channel. The addition of protein to a meal evokes a larger insulin response than pure carbohydrate. Glucagon, despite the majority of its actions being antagonistic to those of insulin, also stimulates insulin release. This is thought to be so that sufficient insulin is available to allow tissue uptake of newly-released glucose from hepatic gluconeogenesis.

    • This question is part of the following fields:

      • Clinical Sciences
      7.9
      Seconds
  • Question 8 - A 3-year-old girl with several small bruise-like lesions is brought to the emergency...

    Incorrect

    • A 3-year-old girl with several small bruise-like lesions is brought to the emergency department by her father. He reports first noticing these lesions on his daughter's arm when dressing her three days ago, despite no obvious preceding trauma. The bruising does not appear to be spreading.
      Notably, the child had mild cough and fever symptoms two weeks ago, though has now recovered.
      On examination, the child appears well in herself and is playing with toys. There are 3 small petechiae on the patient's arm. The examination is otherwise unremarkable.
      What would be an indication for bone marrow biopsy, given the likely diagnosis?

      Your Answer: Thrombocytopenia

      Correct Answer: Splenomegaly

      Explanation:

      Bone marrow examination is not necessary for children with immune thrombocytopenia (ITP) unless there are atypical features such as splenomegaly, bone pain, or diffuse lymphadenopathy. ITP is an autoimmune disorder that causes the destruction of platelets, often triggered by a viral illness. Folate deficiency, photophobia, and epistaxis are not indications for bone marrow biopsy in children with ITP. While photophobia may suggest meningitis in a patient with a petechial rash, it does not warrant a bone marrow biopsy. Nosebleeds are common in young children with ITP and do not require a bone marrow biopsy.

      Understanding Immune Thrombocytopenia (ITP) in Children

      Immune thrombocytopenic purpura (ITP) is a condition where the immune system attacks the platelets, leading to a decrease in their count. This condition is more common in children and is usually acute, often following an infection or vaccination. The antibodies produced by the immune system target the glycoprotein IIb/IIIa or Ib-V-IX complex, causing a type II hypersensitivity reaction.

      The symptoms of ITP in children include bruising, a petechial or purpuric rash, and less commonly, bleeding from the nose or gums. A full blood count is usually sufficient to diagnose ITP, and a bone marrow examination is only necessary if there are atypical features.

      In most cases, ITP resolves on its own within six months, without any treatment. However, if the platelet count is very low or there is significant bleeding, treatment options such as oral or IV corticosteroids, IV immunoglobulins, or platelet transfusions may be necessary. It is also advisable to avoid activities that may result in trauma, such as team sports. Understanding ITP in children is crucial for prompt diagnosis and management of this condition.

    • This question is part of the following fields:

      • Paediatrics
      30.9
      Seconds
  • Question 9 - A 40-year-old woman who has recently been diagnosed with multiple sclerosis presents to...

    Correct

    • A 40-year-old woman who has recently been diagnosed with multiple sclerosis presents to her General Practitioner (GP) with blurring of her vision and pain on eye movement. The GP suspects that she may have optic neuritis.
      Which of the following signs is most likely to be present on examination?

      Your Answer: Reduced colour vision

      Explanation:

      Signs and Symptoms of Optic Neuritis

      Optic neuritis is a condition characterized by inflammation of the optic nerve, often associated with demyelinating diseases like multiple sclerosis. One of the signs of optic neuritis is reduced color vision in the affected eye. Other symptoms may include decreased pupillary light reaction, relative afferent pupillary defect, reduced visual acuity, visual field defects, swollen optic disc, and pain on eye movements. However, optic neuritis is not associated with increased intraocular pressure, erythema, or vesicles around the affected eye. It is important to differentiate optic neuritis from other eye conditions to provide appropriate treatment.

    • This question is part of the following fields:

      • Ophthalmology
      22.3
      Seconds
  • Question 10 - A 16-year-old female patient arrives at the Emergency Department after overdosing on medication...

    Correct

    • A 16-year-old female patient arrives at the Emergency Department after overdosing on medication found in her home. She currently has a Glasgow Coma Scale (GCS) score of 15/15 but is hesitant to disclose what she ingested. According to her mother, it may have been acetazolamide, a carbonic anhydrase inhibitor. As part of her evaluation, a venous blood gas is obtained.
      If the patient's mother is correct, what biochemical abnormality would you anticipate?

      Your Answer: Metabolic acidosis with a normal anion gap

      Explanation:

      Metabolic acidosis can occur with a normal anion gap, which is caused by the loss of bicarbonate ions. This can be due to factors such as diarrhoea, renal failure, or the use of carbonic anhydrase inhibitors. On the other hand, metabolic alkalosis is characterized by an increase in bicarbonate ions, which can be caused by antacid overdose, vomiting, or hyperaldosteronism. Metabolic acidosis with an increased anion gap is caused by the production of excess acid or impaired bicarbonate production, and can be due to factors such as diabetic ketoacidosis or methanol ingestion. Respiratory acidosis occurs when there is alveolar hypoventilation, which can be caused by conditions such as chronic obstructive pulmonary disease or drug use. Respiratory alkalosis, on the other hand, occurs when there is alveolar overventilation and hypocapnia, which can be caused by factors such as panic disorder or high altitude.

    • This question is part of the following fields:

      • Pharmacology
      36.4
      Seconds
  • Question 11 - A 40-year-old woman was admitted to the psychiatric ward with paranoid delusions, auditory...

    Incorrect

    • A 40-year-old woman was admitted to the psychiatric ward with paranoid delusions, auditory hallucinations and violent behaviour. There was no past medical history. She was diagnosed with schizophrenia and given intramuscular haloperidol regularly. Four days later, she became febrile and confused. The haloperidol was stopped, but 2 days later, she developed marked rigidity, sweating and drowsiness. She had a variable blood pressure and pulse rate. Creatine phosphokinase was markedly raised.
      What is the most likely diagnosis?

      Your Answer: Serotonin syndrome

      Correct Answer: Neuroleptic malignant syndrome

      Explanation:

      Understanding Neuroleptic Malignant Syndrome: A Potentially Life-Threatening Reaction to Neuroleptic Medication

      Neuroleptic malignant syndrome (NMS) is a rare but serious reaction to neuroleptic medication. It is characterized by hyperpyrexia (high fever), autonomic dysfunction, rigidity, altered consciousness, and elevated creatine phosphokinase levels. Treatment involves stopping the neuroleptic medication and cooling the patient. Medications such as bromocriptine, dantrolene, and benzodiazepines may also be used.

      It is important to note that other conditions, such as cerebral abscess, meningitis, and phaeochromocytoma, do not typically present with the same symptoms as NMS. Serotonin syndrome, while similar, usually presents with different symptoms such as disseminated intravascular coagulation, renal failure, tachycardia, hypertension, and tachypnea.

      If you or someone you know is taking neuroleptic medication and experiences symptoms of NMS, seek medical attention immediately. Early recognition and treatment can be life-saving.

    • This question is part of the following fields:

      • Psychiatry
      30.5
      Seconds
  • Question 12 - A 3-year-old boy was brought to his GP by his mother, who had...

    Incorrect

    • A 3-year-old boy was brought to his GP by his mother, who had noticed a slight squint in his left eye. During the examination, the GP observed that the red reflex was absent.
      What is the most accurate description of this child's condition?

      Your Answer: It has a very high mortality rate despite treatment

      Correct Answer: There is a significant risk for secondary malignancy in survivors

      Explanation:

      Retinoblastoma: A Rare Eye Cancer with High Survival Rate but Risk of Secondary Malignancy

      Retinoblastoma is a rare type of eye cancer that primarily affects children under the age of 5. It is characterized by an abnormal reflection in the pupil, appearing white instead of red, known as leucocoria. Most cases are caused by mutations in the retinoblastoma 1 (RB1) gene, located on chromosome 13, with one-third of cases being inherited in an autosomal dominant pattern. Surgical removal of the tumor, usually through enucleation, is the standard treatment, and the 5-year survival rate is almost 100% if diagnosed and treated promptly.

      However, survivors of retinoblastoma are at risk of developing secondary non-ocular tumors, including malignant melanoma, sarcoma, brain tumors, leukemia, and osteosarcoma. Therefore, regular monitoring throughout life is necessary. Most cases are diagnosed before the age of 5, with 90% of cases being diagnosed before the child’s fifth birthday. It is important to note that retinoblastoma is not a recessive condition, and the RB1 gene is located on chromosome 13, not 16.

    • This question is part of the following fields:

      • Paediatrics
      21.3
      Seconds
  • Question 13 - What is the preferred investigation for diagnosing vesicoureteric reflux in pediatric patients? ...

    Correct

    • What is the preferred investigation for diagnosing vesicoureteric reflux in pediatric patients?

      Your Answer: Micturating cystourethrogram

      Explanation:

      Understanding Vesicoureteric Reflux

      Vesicoureteric reflux (VUR) is a condition where urine flows back from the bladder into the ureter and kidney. This is a common urinary tract abnormality in children and can lead to urinary tract infections (UTIs). In fact, around 30% of children who present with a UTI have VUR. It is important to investigate for VUR in children following a UTI as around 35% of children develop renal scarring.

      The pathophysiology of VUR involves the ureters being displaced laterally, which causes a shortened intramural course of the ureter. This means that the vesicoureteric junction cannot function properly. VUR can present in different ways, such as hydronephrosis on ultrasound during the antenatal period, recurrent childhood UTIs, and reflux nephropathy, which is chronic pyelonephritis secondary to VUR. Renal scarring can also produce increased quantities of renin, which can cause hypertension.

      To diagnose VUR, a micturating cystourethrogram is usually performed. A DMSA scan may also be done to check for renal scarring. VUR is graded based on the severity of the condition, with Grade I being the mildest and Grade V being the most severe.

      Overall, understanding VUR is important in preventing complications such as UTIs and renal scarring. Early diagnosis and management can help improve outcomes for children with this condition.

    • This question is part of the following fields:

      • Paediatrics
      15.2
      Seconds
  • Question 14 - A 55-year-old woman presents to her primary care physician with complaints of lower...

    Incorrect

    • A 55-year-old woman presents to her primary care physician with complaints of lower abdominal pain and intermittent haematuria over the past two weeks. She has no significant medical history and is not taking any medications. An abdominal ultrasound reveals a bladder lesion, and a flexible cystoscopy is performed, which confirms the presence of carcinoma-in-situ bladder cancer. What would be an appropriate treatment plan for this patient?

      Your Answer: Radical cystectomy

      Correct Answer: Transurethral resection of the superficial lesions

      Explanation:

      Carcinoma in situ (CIS) is a type of bladder cancer that is considered high-grade and superficial. Unlike papillary carcinoma, CIS is more likely to invade surrounding structures. As a result, patients with CIS undergo transurethral removal of bladder tumour (TURBT) and receive intravesicle chemotherapy to reduce the risk of recurrence. Invasive bladder cancer is typically treated with radical cystectomy. It is not recommended to use watchful waiting or active surveillance for CIS in healthy patients due to its invasive potential. Hormone-based therapies are not effective in managing bladder cancer.

      Bladder cancer is the second most common urological cancer, with males aged between 50 and 80 years being the most commonly affected. Smoking and exposure to hydrocarbons such as 2-Naphthylamine increase the risk of the disease. Chronic bladder inflammation from Schistosomiasis infection is a common cause of squamous cell carcinomas in countries where the disease is endemic. Benign tumors of the bladder, including inverted urothelial papilloma and nephrogenic adenoma, are uncommon.

      Urothelial (transitional cell) carcinoma is the most common type of bladder malignancy, accounting for over 90% of cases. Squamous cell carcinoma and adenocarcinoma are less common. Urothelial carcinomas may be solitary or multifocal, with up to 70% having a papillary growth pattern. Superficial tumors have a better prognosis, while solid growths are more prone to local invasion and may be of higher grade, resulting in a worse prognosis. TNM staging is used to determine the extent of the tumor and the presence of nodal or distant metastasis.

      Most patients with bladder cancer present with painless, macroscopic hematuria. Incidental microscopic hematuria may also indicate malignancy in up to 10% of females over 50 years old. Diagnosis is made through cystoscopy and biopsies or transurethral resection of bladder tumor (TURBT), with pelvic MRI and CT scanning used to determine locoregional spread and distant disease. Treatment options include TURBT, intravesical chemotherapy, radical cystectomy with ileal conduit, or radical radiotherapy, depending on the extent and grade of the tumor. Prognosis varies depending on the stage of the tumor, with T1 having a 90% survival rate and any T with N1-N2 having a 30% survival rate.

    • This question is part of the following fields:

      • Surgery
      26
      Seconds
  • Question 15 - A 25-year-old man is brought to the Emergency Department by his friends. They...

    Incorrect

    • A 25-year-old man is brought to the Emergency Department by his friends. They suspect he has taken an illicit substance but are unsure of what he has consumed. The patient reports feeling disconnected from his body and experiencing vivid visual hallucinations of colorful, abstract shapes. He expresses concern about being watched and unable to return to normal. Additionally, he complains of a dry mouth, headache, and nausea. Upon examination, the patient appears agitated, with dilated pupils, tachycardia, and mild hypertension. Hyperreflexia is also noted in the limbs. What would be an appropriate management step for this patient, considering the probable substance ingested?

      Your Answer: Flumazenil

      Correct Answer: Lorazepam

      Explanation:

      LSD intoxication is characterized by vivid visual hallucinations, depersonalization, psychosis, and paranoia. In the given scenario, the patient is exhibiting somatic symptoms along with these classic features. If attempts to calm the patient down fail, administering benzodiazepines such as lorazepam is an appropriate option.

      Activated charcoal is not useful in this case as LSD is rapidly absorbed through the gastrointestinal tract. Dantrolene is not indicated as it is used to manage hyperthermia caused by ecstasy poisoning, which is not the case here. Flumazenil, which is used to treat benzodiazepine overdose, is not relevant unless the patient has been given an excessive amount of benzodiazepines during treatment for LSD intoxication.

      Understanding LSD Intoxication

      LSD, also known as lysergic acid diethylamide, is a synthetic hallucinogen that gained popularity as a recreational drug in the 1960s to 1980s. While its usage has declined in recent years, it still persists, with adolescents and young adults being the most frequent users. LSD is one of the most potent psychoactive compounds known, and its psychedelic effects usually involve heightening or distortion of sensory stimuli and enhancement of feelings and introspection.

      Patients with LSD toxicity typically present following acute panic reactions, massive ingestions, or unintentional ingestions. The symptoms of LSD intoxication are variable and can include impaired judgments, amplification of current mood, agitation, and drug-induced psychosis. Somatic symptoms such as nausea, headache, palpitations, dry mouth, drowsiness, and tremors may also occur. Signs of LSD intoxication can include tachycardia, hypertension, mydriasis, paresthesia, hyperreflexia, and pyrexia.

      Massive overdoses of LSD can lead to complications such as respiratory arrest, coma, hyperthermia, autonomic dysfunction, and bleeding disorders. The diagnosis of LSD toxicity is mainly based on history and examination, as most urine drug screens do not pick up LSD.

      Management of the intoxicated patient is dependent on the specific behavioral manifestation elicited by the drug. Agitation should be managed with supportive reassurance in a calm, stress-free environment, and benzodiazepines may be used if necessary. LSD-induced psychosis may require antipsychotics. Massive ingestions of LSD should be treated with supportive care, including respiratory support and endotracheal intubation if needed. Hypertension, tachycardia, and hyperthermia should be treated symptomatically, while hypotension should be treated initially with fluids and subsequently with vasopressors if required. Activated charcoal administration and gastric emptying are of little clinical value by the time a patient presents to the emergency department, as LSD is rapidly absorbed through the gastrointestinal tract.

      In conclusion, understanding LSD intoxication is crucial for healthcare professionals to provide appropriate management and care for patients who present with symptoms of LSD toxicity.

    • This question is part of the following fields:

      • Pharmacology
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      Seconds
  • Question 16 - Which antibiotic is not affected by penicillinase? ...

    Incorrect

    • Which antibiotic is not affected by penicillinase?

      Your Answer: Tazobactam

      Correct Answer: Flucloxacillin

      Explanation:

      Penicillinase and its effects on antibiotics

      Penicillinase is an enzyme produced by certain bacteria that can render penicillin ineffective, making it harder to treat bacterial infections. This is because penicillinase breaks down the amide bond in the beta-lactam ring of penicillin, destroying its antibacterial properties. However, there are penicillins that are resistant to penicillinase, such as flucloxacillin, dicloxacillin, nafcillin, and methicillin (which is rarely used nowadays).

      One way to combat penicillinase is by using a combination of clavulanic acid and amoxicillin, known as co-amoxiclav. While amoxicillin alone is not resistant to penicillinase, clavulanic acid is a penicillinase inhibitor. Therefore, when combined with amoxicillin, co-amoxiclav can still be effective even in the presence of penicillinase. the effects of penicillinase and the options for penicillinase-resistant antibiotics is crucial in the fight against bacterial infections.

    • This question is part of the following fields:

      • Pharmacology
      9.3
      Seconds
  • Question 17 - A 5-year-old boy is brought to see GP by his mom with a...

    Incorrect

    • A 5-year-old boy is brought to see GP by his mom with a seal-like barking cough. His mom is worried as he seems to be struggling with his breathing, especially at night.

      On examination, he is alert and engaging, although has mild sternal indrawing and appears tired. His observations are as follows:

      Heart rate: 90 bpm
      Blood pressure: 110/70 mmHg
      Oxygen saturation: 98% on air
      Respiratory rate: 20 breaths/min
      Temperature: 37.2 C°

      You suspect croup. What statement best fits this diagnosis?

      Your Answer: It typically affects children aged 3-6 months

      Correct Answer: It is more common in autumn

      Explanation:

      Understanding Croup: A Respiratory Infection in Infants and Toddlers

      Croup is a type of upper respiratory tract infection that commonly affects infants and toddlers. It is characterized by a barking cough, fever, and coryzal symptoms, and is caused by a combination of laryngeal oedema and secretions. Parainfluenza viruses are the most common cause of croup. The condition typically peaks between 6 months and 3 years of age, and is more prevalent during the autumn season.

      The severity of croup can be graded based on the presence of symptoms such as stridor, cough, and respiratory distress. Mild cases may only have occasional barking cough and no audible stridor at rest, while severe cases may have frequent barking cough, prominent inspiratory stridor at rest, and marked sternal wall retractions. Children with moderate or severe croup, those under 6 months of age, or those with known upper airway abnormalities should be admitted to the hospital.

      Diagnosis of croup is usually made based on clinical presentation, but a chest x-ray may show subglottic narrowing, commonly referred to as the steeple sign. Treatment for croup typically involves a single dose of oral dexamethasone or prednisolone, regardless of severity. In emergency situations, high-flow oxygen and nebulized adrenaline may be necessary.

      Understanding croup is important for parents and healthcare providers alike, as prompt recognition and treatment can help prevent complications and improve outcomes for affected children.

    • This question is part of the following fields:

      • Paediatrics
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  • Question 18 - A 45-year-old man comes to the Emergency Department complaining of severe retrosternal pain...

    Correct

    • A 45-year-old man comes to the Emergency Department complaining of severe retrosternal pain that has been ongoing for 3 hours. He reports having consumed a large amount of alcohol yesterday, resulting in significant regurgitation. On palpation of the chest wall, crepitus is detected. His ECG reveals sinus tachycardia. What test should be conducted to confirm the probable diagnosis?

      Your Answer: CT contrast swallow

      Explanation:

      The preferred investigation for suspected Boerhaave’s syndrome is a CT contrast swallow. This syndrome is characterized by the spontaneous rupture of the oesophagus, often caused by repeated vomiting/retching, and can be fatal if not diagnosed early. A history of binge drinking is a common risk factor. The CT contrast swallow typically shows pneumomediastinum, pneumothorax, pleural effusion, and oral contrast leaking into the mediastinum, which can cause crepitus on palpation due to subcutaneous emphysema. Blood alcohol concentration testing is not necessary unless there is a suspicion of ongoing intoxication. Endoscopy carries the risk of further perforation and is not the preferred investigation for Boerhaave’s syndrome. A transoesophageal echocardiogram is used for assessing suspected aortic dissection in unstable patients or for monitoring during cardiothoracic surgery and is not relevant for Boerhaave’s syndrome.

      Boerhaave’s Syndrome: A Dangerous Rupture of the Oesophagus

      Boerhaave’s syndrome is a serious condition that occurs when the oesophagus ruptures due to repeated episodes of vomiting. This rupture is typically located on the left side of the oesophagus and can cause sudden and severe chest pain. Patients may also experience subcutaneous emphysema, which is the presence of air under the skin of the chest wall.

      To diagnose Boerhaave’s syndrome, a CT contrast swallow is typically performed. Treatment involves thoracotomy and lavage, with primary repair being feasible if surgery is performed within 12 hours of onset. If surgery is delayed beyond 12 hours, a T tube may be inserted to create a controlled fistula between the oesophagus and skin. However, delays beyond 24 hours are associated with a very high mortality rate.

      Complications of Boerhaave’s syndrome can include severe sepsis, which occurs as a result of mediastinitis.

    • This question is part of the following fields:

      • Surgery
      54.4
      Seconds
  • Question 19 - A 65-year-old man presents to the clinic with a complaint of losing 1...

    Correct

    • A 65-year-old man presents to the clinic with a complaint of losing 1 stone in weight over the past three months. Apart from this, he has no significant medical history. During the physical examination, his abdomen is soft, and no palpable masses are detected. A normal PR examination is also observed. The patient's blood tests reveal a haemoglobin level of 80 g/L (120-160) and an MCV of 70 fL (80-96). What is the most appropriate initial investigation for this patient?

      Your Answer: Upper GI endoscopy and colonoscopy

      Explanation:

      Possible GI Malignancy in a Man with Weight Loss and Microcytic Anaemia

      This man is experiencing weight loss and has an unexplained microcytic anaemia. The most probable cause of his blood loss is from the gastrointestinal (GI) tract, as there is no other apparent explanation. This could be due to an occult GI malignancy, which is why the recommended initial investigations are upper and lower GI endoscopy. These tests will help to identify any potential sources of bleeding in the GI tract and determine if there is an underlying malignancy. It is important to diagnose and treat any potential malignancy as early as possible to improve the patient’s prognosis. Therefore, prompt investigation and management are crucial in this case.

    • This question is part of the following fields:

      • Gastroenterology
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  • Question 20 - A 67-year-old man was admitted with pain in the left groin. He had...

    Correct

    • A 67-year-old man was admitted with pain in the left groin. He had fallen from his chair, after which the pain started. He was unable to walk and his left leg was externally rotated. X-rays revealed a neck of femur fracture. He lives alone in a flat and is a vegetarian. His past medical history includes shortness of breath, body itching and occasional swelling of legs. His blood tests revealed:
      Investigation Result Normal range
      Haemoglobin 120 g/l 135–175 g/l
      Calcium 3.5 mmol/l 2.20–2.60 mmol/l
      Phosphate 1.52 mmol/l 0.70–1.40 mmol/l
      Erythrocyte sedimentation rate (ESR) 184 mm/h 0–15 mm/h
      What is the most likely diagnosis?

      Your Answer: Multiple myeloma

      Explanation:

      Diagnosis of Multiple Myeloma in a Patient with Pathological Fracture

      A man has sustained a pathological fracture after a minor trauma, which is likely due to lytic bone lesions. He also presents with anemia, raised calcium, and ESR, all of which are consistent with a diagnosis of multiple myeloma. This is further supported by his age group for presentation.

      Other possible diagnoses, such as osteoporosis, vitamin D deficiency, acute leukemia, and malignancy with metastasis, are less likely based on the absence of specific symptoms and laboratory findings. For example, in osteoporosis, vitamin D and phosphate levels are normal, and ESR and hemoglobin levels are not affected. In vitamin D deficiency, calcium and phosphate levels are usually normal or low-normal, and ESR is not raised. Acute leukemia typically presents with systemic symptoms and normal serum calcium levels. Malignancy with metastasis is possible but less likely without preceding symptoms suggestive of an underlying solid tumor malignancy.

      In summary, the patient’s clinical presentation and laboratory findings suggest a diagnosis of multiple myeloma.

    • This question is part of the following fields:

      • Haematology
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  • Question 21 - A 40-year-old HIV-positive man presents with weight loss and weakness and is diagnosed...

    Correct

    • A 40-year-old HIV-positive man presents with weight loss and weakness and is diagnosed with disseminated tuberculosis. During examination, he exhibits hypotension and hyperpigmentation of the mucosa, elbows, and skin creases. Further testing reveals a diagnosis of Addison's disease. What is the most common biochemical abnormality associated with this condition?

      Your Answer: Increased potassium

      Explanation:

      Biochemical Findings in Addison’s Disease

      Addison’s disease is a condition characterized by primary adrenocortical insufficiency, which is caused by the destruction or dysfunction of the entire adrenal cortex. The most prominent biochemical findings in patients with Addison’s disease are hyponatremia, hyperkalemia, and mild non-anion gap metabolic acidosis. This article discusses the various biochemical changes that occur in Addison’s disease, including increased potassium, increased glucose, increased bicarbonate, increased sodium, and reduced urea. These changes are a result of the loss of gland function, which leads to reduced glucocorticoid and mineralocorticoid function. The sodium-retaining and potassium and hydrogen ion-secreting action of aldosterone is particularly affected, resulting in the biochemical changes noted above. The article also highlights the most common causes of Addison’s disease, including tuberculosis, autoimmune disease, and removal of exogenous steroid therapy.

    • This question is part of the following fields:

      • Endocrinology
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  • Question 22 - A 17 month old girl comes to your GP clinic with symptoms of...

    Incorrect

    • A 17 month old girl comes to your GP clinic with symptoms of a viral URTI. While examining her, you notice some developmental concerns. What would be the most worrying sign?

      Your Answer: Plays alone

      Correct Answer: Unable to say 6 individual words with meaning

      Explanation:

      1. At 23-24 months, children typically have a vocabulary of 20-50 words and can form 2-word phrases with meaning.
      2. Toilet training usually occurs at or after 3 years of age.
      3. By 3 years of age, most children can stand briefly on one leg and hop by age 4.
      4. Walking is typically achieved by 18 months, although most children will walk before 17 months.
      5. It is common for 23-month-old children to engage in solitary play.

      Developmental milestones for speech and hearing are important indicators of a child’s growth and development. These milestones can help parents and caregivers track a child’s progress and identify any potential issues early on. At three months, a baby should be able to quieten to their parents’ voice and turn towards sound. They may also start to squeal. By six months, they should be able to produce double syllables like adah and erleh. At nine months, they may say mama and dada and understand the word no. By 12 months, they should know and respond to their own name and understand simple commands like give it to mummy.

      Between 12 and 15 months, a child may know about 2-6 words and understand more complex commands. By two years old, they should be able to combine two words and point to parts of their body. Their vocabulary should be around 200 words by 2 1/2 years old. At three years old, they should be able to talk in short sentences and ask what and who questions. They may also be able to identify colors and count to 10. By four years old, they may start asking why, when, and how questions. These milestones are important to keep in mind as a child grows and develops their speech and hearing abilities.

    • This question is part of the following fields:

      • Paediatrics
      16.7
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  • Question 23 - In what type of tissue do bones that develop in tendons form? ...

    Incorrect

    • In what type of tissue do bones that develop in tendons form?

      Your Answer: Flat bone

      Correct Answer: Sesamoid bone

      Explanation:

      Classification of Bones by Shape

      Bones can be classified based on their shape. The first type is flat bones, which include the bones of the skull, sternum, pelvis, and ribs. The second type is tubular bones, which can be further divided into long tubular bones, such as those found in the limbs, and short tubular bones, such as the phalanges, metacarpals, and metatarsals in the hands and feet. The third type is irregular bones, which include the bones of the face and vertebral column. The fourth type is sesamoid bones, which develop in specific tendons, with the largest example being the patella. Finally, there are accessory or supernumerary bones, which are extra bones that develop in additional ossification centers or bones that failed to fuse with the main parts during development. Accessory bones are common in the foot and may be mistaken for bone chips or fractures.

    • This question is part of the following fields:

      • Surgery
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  • Question 24 - A 28-year-old male returns from a backpacking trip in Eastern Europe with symptoms...

    Correct

    • A 28-year-old male returns from a backpacking trip in Eastern Europe with symptoms of diarrhea. He has been experiencing profuse watery diarrhea and colicky abdominal pain for the past week. He has been going to the toilet approximately 10 times a day and occasionally feels nauseated, but has not vomited. He has lost around 5 kg in weight due to this illness. On examination, he has a temperature of 37.7°C and appears slightly dehydrated. There is some slight tenderness on abdominal examination, but no specific abnormalities are detected. PR examination reveals watery, brown feces. What investigation would be the most appropriate for this patient?

      Your Answer: Stool microscopy and culture

      Explanation:

      Diagnosis and Treatment of Giardiasis in Traveller’s Diarrhoea

      Traveller’s diarrhoea is a common condition that can occur when travelling to different parts of the world. In this case, the patient is likely suffering from giardiasis, which is caused by a parasite that can be found in contaminated water or food. The best way to diagnose giardiasis is through microscopic examination of the faeces, where cysts may be seen. However, in some cases, chronic disease may occur, and cysts may not be found in the faeces. In such cases, a duodenal aspirate or biopsy may be required to confirm the diagnosis.

      The treatment for giardiasis is metronidazole, which is an antibiotic that is effective against the parasite.

    • This question is part of the following fields:

      • Gastroenterology
      14.8
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  • Question 25 - A 30-year-old man is brought to his psychiatrist by his sister. His sister...

    Incorrect

    • A 30-year-old man is brought to his psychiatrist by his sister. His sister is worried that her brother firmly believes that he is a superhero, despite having no evidence or abilities to support this belief. Upon assessment, the man appears physically healthy. There are no signs of delusions, disorientation, or unusual speech patterns. However, he maintains an unyielding conviction that Beyonce is in live with him. What is the appropriate diagnosis for this condition?

      Your Answer: Othello syndrome

      Correct Answer: De Clerambault's syndrome

      Explanation:

      The correct term for the delusion that a famous person is in love with someone, without any other psychotic symptoms, is De Clerambault’s syndrome. Capgras syndrome, on the other hand, refers to the delusion that a close relative has been replaced by an impostor, while De Frégoli syndrome is the delusion of seeing a familiar person in different individuals.

      De Clerambault’s Syndrome: A Delusional Belief in Famous Love

      De Clerambault’s syndrome, also known as erotomania, is a type of paranoid delusion that has a romantic aspect. Typically, the patient is a single person who firmly believes that a well-known person is in love with them. This condition is characterized by a persistent and irrational belief that the famous person is sending secret messages or signals of love, even though there is no evidence to support this belief. The patient may engage in behaviors such as stalking, sending letters or gifts, or attempting to contact the object of their affection. Despite repeated rejections or lack of response, the patient remains convinced of the love affair. This syndrome can be distressing for both the patient and the object of their delusion, and it often requires psychiatric treatment.

    • This question is part of the following fields:

      • Psychiatry
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  • Question 26 - Each one of the following statements regarding ADHD is correct, except: ...

    Correct

    • Each one of the following statements regarding ADHD is correct, except:

      Your Answer: The majority of children have normal or increased intelligence

      Explanation:

      Understanding Autism Spectrum Disorder

      Autism Spectrum Disorder (ASD) is a neurodevelopmental condition that affects social interaction, communication, and behaviour. It is usually diagnosed during early childhood, but symptoms may manifest later. ASD can occur in individuals with any level of intellectual ability, and its manifestations range from subtle problems to severe disabilities. The prevalence of ASD has increased over time due to changes in definitions and increased awareness, with recent estimates suggesting a prevalence of 1-2%. Boys are three to four times more likely to be diagnosed with ASD than girls, and around 50% of children with ASD have an intellectual disability.

      Individuals with ASD may exhibit a broad range of clinical manifestations, including impaired social communication and interaction, repetitive behaviours, interests, and activities, and associated conditions such as attention deficit hyperactivity disorder and epilepsy. Although there is no cure for ASD, early diagnosis and intensive educational and behavioural management can improve outcomes. Treatment involves a comprehensive approach that includes non-pharmacological therapies such as early educational and behavioural interventions, pharmacological interventions for associated conditions, and family support and counselling. The goal of treatment is to increase functional independence and quality of life for individuals with ASD.

    • This question is part of the following fields:

      • Paediatrics
      9
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  • Question 27 - A 30-year-old woman visits the booking clinic for her 8-week pregnancy check-up. It...

    Correct

    • A 30-year-old woman visits the booking clinic for her 8-week pregnancy check-up. It is revealed during the consultation that she has a history of two deep vein thrombosis. What will be necessary for her management considering her previous VTEs?

      Your Answer: Low molecular weight heparin, starting immediately until 6 weeks postnatal

      Explanation:

      Pregnant women who have a history of VTE should receive LMWH throughout their pregnancy and up to 6 weeks after giving birth to prevent clotting. Warfarin is not recommended during pregnancy due to its teratogenic effects, and LMWH is preferred due to its lower side effect profile and reduced need for monitoring.

      Venous Thromboembolism in Pregnancy: Risk Assessment and Prophylactic Measures

      Pregnancy increases the risk of developing venous thromboembolism (VTE), a condition that can be life-threatening for both the mother and the fetus. To prevent VTE, it is important to assess a woman’s individual risk during pregnancy and initiate appropriate prophylactic measures. This risk assessment should be done at the first antenatal booking and on any subsequent hospital admission.

      Women with a previous history of VTE are automatically considered high risk and require low molecular weight heparin throughout the antenatal period, as well as input from experts. Women at intermediate risk due to hospitalization, surgery, co-morbidities, or thrombophilia should also be considered for antenatal prophylactic low molecular weight heparin.

      The risk assessment at booking should include factors that increase the likelihood of developing VTE, such as age over 35, body mass index over 30, parity over 3, smoking, gross varicose veins, current pre-eclampsia, immobility, family history of unprovoked VTE, low-risk thrombophilia, multiple pregnancy, and IVF pregnancy.

      If a woman has four or more risk factors, immediate treatment with low molecular weight heparin should be initiated and continued until six weeks postnatal. If a woman has three risk factors, low molecular weight heparin should be initiated from 28 weeks and continued until six weeks postnatal.

      If a diagnosis of deep vein thrombosis (DVT) is made shortly before delivery, anticoagulation treatment should be continued for at least three months, as in other patients with provoked DVTs. Low molecular weight heparin is the treatment of choice for VTE prophylaxis in pregnancy, while direct oral anticoagulants (DOACs) and warfarin should be avoided.

      In summary, a thorough risk assessment and appropriate prophylactic measures can help prevent VTE in pregnancy, which is crucial for the health and safety of both the mother and the fetus.

    • This question is part of the following fields:

      • Obstetrics
      26.3
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  • Question 28 - A 30-year-old woman is preparing for an elective laparoscopic cholecystectomy with general anesthesia...

    Correct

    • A 30-year-old woman is preparing for an elective laparoscopic cholecystectomy with general anesthesia and inquires about when she should discontinue her combined oral contraceptive pill. What is the best recommendation?

      Your Answer: 4 weeks prior

      Explanation:

      Stopping the combined oral contraceptive pill four weeks before the operation is recommended due to a higher likelihood of venous thromboembolism.

      Preparation for surgery varies depending on whether the patient is undergoing an elective or emergency procedure. For elective cases, it is important to address any medical issues beforehand through a pre-admission clinic. Blood tests, urine analysis, and other diagnostic tests may be necessary depending on the proposed procedure and patient fitness. Risk factors for deep vein thrombosis should also be assessed, and a plan for thromboprophylaxis formulated. Patients are advised to fast from non-clear liquids and food for at least 6 hours before surgery, and those with diabetes require special management to avoid potential complications. Emergency cases require stabilization and resuscitation as needed, and antibiotics may be necessary. Special preparation may also be required for certain procedures, such as vocal cord checks for thyroid surgery or bowel preparation for colorectal cases.

    • This question is part of the following fields:

      • Surgery
      27.2
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  • Question 29 - A 28-year-old woman presents with sudden-onset severe and unremitting occipital headache. On examination,...

    Incorrect

    • A 28-year-old woman presents with sudden-onset severe and unremitting occipital headache. On examination, she is drowsy and confused, with a blood pressure of 180/95 mmHg. You suspect that she may have had a subarachnoid haemorrhage and arrange a computed tomography (CT) scan. This is normal. She undergoes a lumbar puncture and the results are shown below:
      Pot 1: red cells 490 × 109/l, white cells 10 × 109/l, no organisms seen
      Pot 2: red cells 154 × 109/l, white cells 8 × 109/l, no organisms seen
      Pot 3: red cells 51 × 109/l, white cells <5 × 109/l, no organisms seen
      Which of the following is the most likely explanation for these results?

      Your Answer: Subarachnoid haemorrhage >1 week ago

      Correct Answer: Traumatic tap

      Explanation:

      Interpreting Lumbar Puncture Results in Neurological Conditions

      Lumbar puncture is a diagnostic procedure used to collect cerebrospinal fluid (CSF) for analysis in various neurological conditions. The results of a lumbar puncture can provide valuable information in diagnosing conditions such as traumatic tap, subarachnoid hemorrhage, bacterial meningitis, and viral meningitis.

      Traumatic Tap: A traumatic tap is characterized by a gradation of red cell contamination in sequential samples of CSF. This condition is often accompanied by severe headaches and can be managed with adequate analgesia and reassessment of blood pressure.

      Confirmed Recent Subarachnoid Hemorrhage: In cases of subarachnoid hemorrhage, red cells within the CSF are expected to be constant within each bottle. However, a more reliable way to examine for subarachnoid hemorrhage is to look for the presence of xanthochromia in the CSF, which takes several hours to develop.

      Bacterial Meningitis: Bacterial meningitis is characterized by a much higher white cell count, mostly polymorphs. CSF protein and glucose, as well as paired blood glucose, are valuable parameters to consider when diagnosing bacterial meningitis.

      Viral Meningitis: Viral meningitis is characterized by a much higher white cell count, mostly lymphocytes. Protein and glucose levels in the CSF are also valuable parameters to consider when diagnosing viral meningitis.

      Subarachnoid Hemorrhage >1 Week Ago: In cases of subarachnoid hemorrhage that occurred more than a week ago, few red cells would remain in the CSF. In such cases, examining the CSF for xanthochromia in the lab is a more valuable test.

      In conclusion, interpreting lumbar puncture results requires careful consideration of various parameters and their respective values in different neurological conditions.

    • This question is part of the following fields:

      • Neurology
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  • Question 30 - A 28-year-old woman presents to the breast clinic with a lump in her...

    Incorrect

    • A 28-year-old woman presents to the breast clinic with a lump in her right breast that she has noticed for the past 4 weeks. She denies any pain, discharge, or skin changes. The patient is concerned about the lump as she has recently started a new relationship and her partner has also noticed it. On examination, a mobile, smooth, firm breast lump measuring 3.5 cm is palpated. Ultrasound confirms a fibroadenoma. What is the best course of action for this patient?

      Your Answer: Ultrasound-guided monochloroacetic acid injection

      Correct Answer: Surgical excision

      Explanation:

      Surgical excision is the recommended treatment for fibroadenomas larger than 3 cm in size. This is because such masses can cause cosmetic concerns and discomfort, especially if they continue to grow. Given the patient’s expressed anxiety about the mass, surgical excision should be offered as a treatment option. Anastrozole, which is used to treat hormone-receptor-positive breast cancer in postmenopausal women, is not appropriate in this case as the patient has a benign breast lesion, and there is no information about hormone receptor status or menopausal status. Tamoxifen, which has been shown to reduce benign breast lump development in some pre-menopausal women, is not a primary treatment for fibroadenomas. Ultrasound-guided monochloroacetic acid injection is also not a suitable treatment option as it is used for plantar wart management and not for breast cryotherapy. While some centers may offer ultrasound-guided cryotherapy for fibroadenomas smaller than 4 cm, surgical excision is the more common treatment.

      Understanding Breast Fibroadenoma

      Breast fibroadenoma is a type of breast mass that develops from a whole lobule. It is characterized by a mobile, firm, and smooth lump in the breast, which is often referred to as a breast mouse. Fibroadenoma accounts for about 12% of all breast masses and is more common in women under the age of 30.

      Fortunately, fibroadenomas are usually benign and do not increase the risk of developing breast cancer. In fact, over a two-year period, up to 30% of fibroadenomas may even get smaller on their own. However, if the lump is larger than 3 cm, surgical excision is typically recommended.

      In summary, breast fibroadenoma is a common type of breast mass that is usually benign and does not increase the risk of breast cancer. While it may cause concern for some women, it is important to remember that most fibroadenomas do not require treatment and may even resolve on their own.

    • This question is part of the following fields:

      • Surgery
      31.3
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SESSION STATS - PERFORMANCE PER SPECIALTY

Gynaecology (0/1) 0%
Surgery (3/6) 50%
Medicine (0/1) 0%
Ethics And Legal (1/1) 100%
Paediatrics (3/7) 43%
Musculoskeletal (1/1) 100%
Clinical Sciences (1/1) 100%
Ophthalmology (1/1) 100%
Pharmacology (1/3) 33%
Psychiatry (0/2) 0%
Gastroenterology (2/2) 100%
Haematology (1/1) 100%
Endocrinology (1/1) 100%
Obstetrics (1/1) 100%
Neurology (0/1) 0%
Passmed