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Question 1
Incorrect
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For which of the following conditions is urgent referral for upper endoscopy necessary?
Your Answer: A 62-year-old male with a three month history of unexplained weight loss, tenesmus and a right abdominal mass
Correct Answer: A 73-year-old male with a three month history of dyspepsia which has failed to respond to a course of proton pump inhibitors
Explanation:Criteria for Urgent Endoscopy Referral
Criteria for urgent endoscopy referral include various symptoms such as dysphagia, dyspepsia, weight loss, anaemia, vomiting, Barrett’s oesophagus, family history of upper gastrointestinal carcinoma, pernicious anaemia, upper GI surgery more than 20 years ago, jaundice, and abdominal mass. Dysphagia is a symptom that requires urgent endoscopy referral at any age. Dyspepsia combined with weight loss, anaemia, or vomiting at any age also requires urgent referral. Dyspepsia in a patient aged 55 or above with onset of dyspepsia within one year and persistent symptoms requires urgent referral. Dyspepsia with one of the mentioned conditions also requires urgent referral.
In the presented cases, the 56-year-old man has dyspepsia with an aortic aneurysm, which requires an ultrasound and vascular opinion. On the other hand, the case of unexplained weight loss, tenesmus, and upper right mass is likely to be a colonic carcinoma. It is important to be aware of these criteria to ensure timely and appropriate referral for urgent endoscopy.
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This question is part of the following fields:
- Gastroenterology
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Question 2
Incorrect
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A 70-year-old man visits his GP complaining of blood in his urine for the past week. He experiences a burning sensation while urinating but no other discomfort. He has noticed some weight loss recently but is unsure of the amount and duration.
The patient has a medical history of type 2 diabetes mellitus, hypertension, and granulomatosis with polyangiitis. He takes metformin, amlodipine, methotrexate, and prednisolone for these conditions. He has also had malaria and schistosomiasis in the past. There is no significant family history.
The patient has a 10 pack-year smoking history and drinks alcohol occasionally. He recently returned from 40 years of teaching and traveling in rural Africa.
What is the most probable diagnosis?Your Answer: Prostate adenocarcinoma
Correct Answer: Squamous cell carcinoma of bladder
Explanation:Bladder cancer of squamous origin is the most probable diagnosis considering the patient’s history of residing in high-risk areas and having schistosomiasis. Nephrolithiasis, on the other hand, would cause renal colic, which patients describe as intense pain waves and discomfort. Clear cell carcinoma, although the most common subtype of renal cell carcinoma, is still less prevalent than bladder cancer and would not result in bladder symptoms.
Risk Factors for Bladder Cancer
Bladder cancer is a type of cancer that affects the bladder, and there are different types of bladder cancer. The most common type is urothelial (transitional cell) carcinoma, and the risk factors for this type of bladder cancer include smoking, exposure to aniline dyes, rubber manufacture, and cyclophosphamide. Smoking is the most important risk factor in western countries, with a hazard ratio of around 4. Exposure to aniline dyes, such as working in the printing and textile industry, can also increase the risk of bladder cancer. Rubber manufacture and cyclophosphamide are also risk factors for urothelial carcinoma.
On the other hand, squamous cell carcinoma of the bladder has different risk factors. Schistosomiasis and smoking are the main risk factors for this type of bladder cancer. Schistosomiasis is a parasitic infection that can cause inflammation and damage to the bladder, which can increase the risk of developing squamous cell carcinoma. Smoking is also a risk factor for squamous cell carcinoma, as it can cause changes in the cells of the bladder lining that can lead to cancer.
In summary, the risk factors for bladder cancer depend on the type of cancer. Urothelial carcinoma is mainly associated with smoking, exposure to aniline dyes, rubber manufacture, and cyclophosphamide, while squamous cell carcinoma is mainly associated with schistosomiasis and smoking. It is important to be aware of these risk factors and take steps to reduce your risk of developing bladder cancer.
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This question is part of the following fields:
- Surgery
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Question 3
Incorrect
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A 28-year-old man with cystic fibrosis (CF) arrives at the Emergency Department (ED) with haemoptysis. During his stay in the ED, he experiences another episode of frank haemoptysis, which measures 180 ml.
A prompt computed tomography (CT) aortogram is conducted, revealing dilated and tortuous bronchial arteries.
What action could potentially harm the management of this patient?Your Answer: Vitamin K
Correct Answer: Non-invasive ventilation
Explanation:Treatment options for massive haemoptysis in cystic fibrosis patients
Massive haemoptysis in cystic fibrosis (CF) patients can be a life-threatening complication. Non-invasive ventilation is not recommended as it may increase the risk of aspiration of blood and disturb clot formation. IV antibiotics should be given to treat acute inflammation related to pulmonary infection. Tranexamic acid, an anti-fibrinolytic drug, can be given orally or intravenously up to four times per day until bleeding is controlled. CF patients have impaired absorption of fat-soluble vitamins, including vitamin K, which may lead to prolonged prothrombin time. In such cases, IV vitamin K should be given. Bronchial artery embolisation is often required to treat massive haemoptysis, particularly when larger hypertrophied bronchial arteries are seen on CT. This procedure is performed by an interventional vascular radiologist and may be done under sedation or general anaesthetic if the patient is in extremis.
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This question is part of the following fields:
- Respiratory
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Question 4
Incorrect
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A 28-year-old male patient visits his general practitioner complaining of a discharge from his urethra. Upon laboratory examination of the discharge, it is found to contain numerous neutrophils, some of which contain Gram-negative intracellular diplococci. The patient is administered ceftriaxone 250 mg intramuscularly, which initially resolves the symptoms. However, the patient returns five days later with the same complaint. What is the most probable cause of this discharge?
Your Answer: Penicillin-resistant Neisseria gonorrhoeae
Correct Answer: Chlamydia trachomatis
Explanation:Chlamydia is a common sexually transmitted disease that often has no symptoms, especially in women. It can lead to infertility and presents with discharge, dysurea, and itching in men. Azithromycin is the preferred treatment.
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This question is part of the following fields:
- Genitourinary
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Question 5
Incorrect
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As a FY1 doctor in Accident and Emergency, you encounter a 35-year-old female patient with a broken wrist. While prescribing her regular medications, you make an error in her insulin prescription. Instead of prescribing 8 units for her evening dose, you prescribe 12 units of her short-acting insulin. As a result, the patient experiences drowsiness and starts feeling unwell, with a BM of 2.8. What would be the best order of management in this situation?
Your Answer: Stabilise patient via the DR ABCDE approach and treat hypoglycaemia followed by having a discussion with the patient. Accept responsibility and offer the Patient Advice and Liaison Service (PALs) service to file a complaint. Fill in an incident form.
Correct Answer: Stabilise patient via the DR ABCDE approach and treat hypoglycaemia. Notify a senior followed by having a discussion with the patient. Accept responsibility and offer the PALs service to file a complaint. Fill in an incident form.
Explanation:Managing Acutely Unwell Patients
When a patient becomes acutely unwell, the first priority is to provide medical management using the DR ABCDE approach and address any reversible causes. As an FY1, it is crucial to call for help and inform a senior if necessary. In such situations, the final option is the only correct answer.
If the patient is stable, it is essential to have a discussion with them to explain what has happened, take responsibility, and apologize. Additionally, offer them access to PALS if they wish to file a complaint. After this, complete an incident form to examine hospital processes and prevent similar incidents from occurring in the future.
In summary, managing acutely unwell patients requires prompt medical attention, calling for help, and notifying a senior. It is also crucial to communicate with the patient, take responsibility, and complete an incident form to improve hospital processes.
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This question is part of the following fields:
- Miscellaneous
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Question 6
Incorrect
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A 63-year-old man was diagnosed with granulomatosis with polyangiitis (GPA) two years ago and achieved remission after receiving pulsed cyclophosphamide. He has been maintained on oral azathioprine and a low dose of prednisolone since then. Recently, he returned to the clinic before his scheduled appointment with worsening ENT symptoms, haemoptysis, and declining renal function. Two months prior, he had a superficial bladder cancer (stage Ta, no invasion, single lesion) that was resected, followed by a single dose of postoperative chemotherapy. Given his new diagnosis, what is the most appropriate treatment for his vasculitis flare?
Your Answer: Increased oral steroids
Correct Answer: Rituximab therapy
Explanation:Treatment Dilemma for a Patient with Vasculitis
This patient is facing a difficult situation as he requires immunosuppressive therapy to manage his vasculitis, which is organ-threatening, but most immunosuppressants increase the risk of cancer. Increasing oral steroids would provide short-term relief but come with significant side effects. Azathioprine and mycophenolate mofetil are unlikely to control his disease in time and are associated with an increased risk of malignancy. Cyclophosphamide should be avoided as it is known to cause bladder cancer.
However, there is a potential solution in rituximab, a monoclonal antibody that targets CD20, a surface marker on most B cells. Rituximab has been shown to be as effective as cyclophosphamide in treating ANCA vasculitis, but with a much better side effect profile. A two-year course of rituximab therapy can even allow for the withdrawal of other immunosuppressants, which would be particularly helpful in this patient’s case. Overall, while the patient’s situation is challenging, rituximab may provide a viable treatment option.
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This question is part of the following fields:
- Nephrology
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Question 7
Incorrect
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A 14-year-old boy with thalassaemia major, receiving regular blood transfusions, has been added to the transplant waiting list for chronic heart failure. What is the probable reason for his heart failure?
Your Answer: Acute haemolytic transfusion reaction
Correct Answer: Transfusion haemosiderosis
Explanation:Complications of Blood Transfusions: Understanding the Risks
Blood transfusions are a common medical intervention used to treat a variety of conditions, from severe bleeding to anaemia. While they can be life-saving, they also carry certain risks and potential complications. Here are some of the most common complications associated with blood transfusions:
Transfusion haemosiderosis: Repeated blood transfusions can lead to the accumulation of iron in the body’s organs, particularly the heart and endocrine system. This can cause irreversible heart failure if left untreated.
High-output cardiac failure: While anaemia on its own may not be enough to cause heart failure, it can exacerbate the condition in those with reduced left ventricular systolic dysfunction.
Acute haemolytic transfusion reaction: This occurs when there is a mismatch between the major histocompatibility antigens on blood cells, such as the ABO system. It can cause severe intravascular haemolysis, disseminated intravascular coagulation, renal failure, and shock, and has a high mortality rate if not recognized and treated quickly.
Pulmonary oedema: While rare in patients with normal left ventricular systolic function, blood transfusions can cause fluid overload and pulmonary oedema, which can exacerbate chronic heart failure.
Transfusion-related bacterial endocarditis: While rare, bacterial infections can occur from blood transfusions. Platelet pools, which are stored at room temperature, have a slightly higher risk of bacterial contamination that can cause fulminant sepsis.
Understanding the potential complications of blood transfusions is important for both patients and healthcare providers. By recognizing and addressing these risks, we can ensure that blood transfusions remain a safe and effective treatment option for those who need them.
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This question is part of the following fields:
- Haematology
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Question 8
Correct
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A 42-year-old man is brought to the Emergency Department by his friends. He holds a senior trading job in an investment bank and has a history of recurrent admissions following cocaine intoxication. They are worried because he recently sent a memo to everyone on the trading floor suggesting that he is now the lead, he has the mental capacity to beat anyone to a higher profit and he should be chairman of the group. In fact, he has been performing poorly and has missed recent performance targets.
Which of the following is the most likely diagnosis?Your Answer: Cocaine-induced delusional disorder
Explanation:Understanding the Psychological Effects of Cocaine Use
Cocaine use can lead to a range of psychological and psychiatric problems, including delusional disorder. This disorder is characterized by grandiose ideas concerning one’s social standing or intellectual ability, which are far in excess of reality. Cocaine-induced hallucinations are also common, particularly of the auditory or tactile variety.
While some may mistake these symptoms for schizophrenia or a manic episode of bipolar disorder, it is important to consider the individual’s history of cocaine use. Cocaine intoxication can cause anxiety, agitation, euphoria, enlarged pupils, and palpitations, while severe intoxication can lead to delirium, hyperactivity, hyperthermia, and psychosis. Cocaine withdrawal, on the other hand, can cause fatigue, agitation, vivid and unpleasant dreams, increased appetite, and psychomotor retardation.
Overall, it is crucial to understand the potential psychological effects of cocaine use and seek appropriate treatment if necessary.
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This question is part of the following fields:
- Psychiatry
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Question 9
Incorrect
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A 75-year-old man presents to the emergency department with a 2-day history of lower abdominal pain and rectal bleeding. He reports that over the past 2-3 months he has had bouts of intermittent lower abdominal pain. He usually opens his bowels once every 4-5 days and complains of passing hard stools. There is no past medical history of note.
Upon examination, he has a temperature of 38.1ºC with a heart rate of 80 beats/min and a blood pressure of 122/85 mmHg. There is palpable tenderness with guarding in the left iliac fossa.
What is the most appropriate long-term management plan for this patient?Your Answer: Laparoscopic resection
Correct Answer: Increased dietary fibre intake
Explanation:Increasing dietary fibre intake is beneficial for managing diverticular disease, which is likely the cause of this patient’s symptoms based on their history of left iliac fossa pain, rectal bleeding, and diarrhea, as well as a history of constipation. While intravenous antibiotics may be necessary for moderate-severe cases of diverticulitis, they are not part of the long-term management plan. Intravenous hydrocortisone is used to treat inflammatory bowel disease (IBD), but this is unlikely to be the diagnosis given the patient’s age of onset. Laparoscopic resection is reserved for recurrent episodes of acute diverticulitis and would not be appropriate for a first presentation.
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.
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This question is part of the following fields:
- Surgery
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Question 10
Incorrect
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A 25-year-old man is brought to the emergency room by his friends, who found him vomiting and surrounded by empty packets of pain medication. The patient is unable to identify which medication he took, but reports feeling dizzy and experiencing ringing in his ears. An arterial blood gas test reveals the following results:
pH: 7.52
paCO2: 3.1 kPa
paO2: 15.2 kPa
HCO3: 18 mEq/l
Based on these findings, what is the most likely pain medication the patient ingested?Your Answer: Ibuprofen
Correct Answer: Aspirin
Explanation:Common Overdose Symptoms and Risks of Pain Medications
Pain medications are commonly used to manage various types of pain. However, taking too much of these medications can lead to overdose and serious health complications. Here are some common overdose symptoms and risks associated with different types of pain medications:
Aspirin: Mild aspirin overdose can cause tinnitus, nausea, and vomiting, while severe overdose can lead to confusion, hallucinations, seizures, and pulmonary edema. Aspirin can also cause ototoxicity and stimulate the respiratory center, leading to respiratory alkalosis and metabolic acidosis.
Paracetamol: Paracetamol overdose may not show symptoms initially, but can lead to hepatic necrosis after 24 hours. Nausea and vomiting are common symptoms, and acidosis can be seen early on arterial blood gas. A paracetamol level can be sent to determine if acetylcysteine treatment is necessary.
Ibuprofen: NSAID overdose can cause nausea, vomiting, diarrhea, and abdominal pain. Severe toxicity is rare, but large doses can lead to drowsiness, acidosis, acute kidney injury, and seizure.
Codeine: Codeine overdose can cause opioid toxicity, leading to symptoms such as nausea, vomiting, drowsiness, and respiratory depression. Codeine is often combined with other pain medications, such as paracetamol, which can increase the risk of mixed overdose.
Naproxen: NSAID overdose can cause nausea, vomiting, diarrhea, and abdominal pain. Severe toxicity is rare, but large doses can lead to drowsiness, acidosis, acute kidney injury, and seizure.
It is important to be aware of the potential risks and symptoms of pain medication overdose and seek medical attention immediately if an overdose is suspected.
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This question is part of the following fields:
- Acute Medicine And Intensive Care
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Question 11
Correct
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A 65-year-old man comes to the clinic with complaints of haematuria. He has a history of chronic atrial fibrillation and is currently taking warfarin. His blood tests reveal a Hb level of 112g/L and an INR of 9, but he is stable hemodynamically. The consulting physician recommends reversing the effects of warfarin. What blood product/s would be the most appropriate choice for this patient?
Your Answer: Prothrombin concentrate ('Octaplex')
Explanation:Treatment Options for Warfarin Reversal
Prothrombin concentrates are the preferred treatment for reversing the effects of warfarin in cases of active bleeding and a significantly elevated INR. While packed cells are important for managing severe bleeding, they are not the recommended treatment for warfarin reversal. Cryoprecipitate, recombinant factor VII, and platelets are also not indicated for reversing the effects of warfarin. It is important to choose the appropriate treatment option based on the patient’s individual needs and medical history. Proper management of warfarin reversal can help prevent further complications and improve patient outcomes.
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This question is part of the following fields:
- Haematology
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Question 12
Incorrect
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A 25-year-old woman presents to her General Practitioner (GP) with a 1-day history of itching and watery discharge from both eyes.
On examination, the vision is 6/9 in both eyes. Both pupils are equally reactive to light. The conjunctivae are both chemosed with mild diffuse injection. The eyelids are slightly oedematous.
Her past medical history includes eczema. Her vital observations are as follows:
Blood pressure 110/70 mmHg
Heart rate 65 bpm
Respiratory rate 12
Temperature 36.7 °C
Oxygen saturation 99% on air
What is the most likely diagnosis?Your Answer: Viral conjunctivitis
Correct Answer: Allergic conjunctivitis
Explanation:Distinguishing Different Types of Eye Infections: A Case Study
Upon examination of a patient with eye symptoms, it was determined that the presentation pointed towards the diagnosis of allergic conjunctivitis. This was due to the patient’s history of itchiness, watery discharge, slightly swollen eyelids, and atopy. It was ruled out that the patient had bacterial conjunctivitis, as it typically presents with more purulent discharges bilaterally. Orbital cellulitis was also ruled out, as the eyelids and orbit would be very swollen and red with restriction and pain in eye movements, and the vital observations were normal. Preseptal cellulitis can present with oedematous eyelids, but the eye itself should be quiet and white. While viral conjunctivitis can present with watery discharges, the patient’s history of atopy and itchiness made allergic conjunctivitis the more likely diagnosis.
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This question is part of the following fields:
- Ophthalmology
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Question 13
Incorrect
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A 35-year-old woman is found to have gallstones during an abdominal ultrasound. The surgeon informs her that one of the stones is quite large and is currently lodged in the bile duct, about 5 cm above the transpyloric plane. The surgeon explains that this plane is a significant anatomical landmark for several abdominal structures.
What structure is located at the level of the transpyloric plane?Your Answer: Uncinate process of the pancreas
Correct Answer: Origin of the superior mesenteric artery
Explanation:The transpyloric plane, also known as Addison’s plane, is an imaginary plane located at the level of the L1 vertebral body. It is situated halfway between the jugular notch and the superior border of the pubic symphysis and serves as an important anatomical landmark. Various structures lie in this plane, including the pylorus of the stomach, the first part of the duodenum, the duodeno-jejunal flexure, both the hepatic and splenic flexures of the colon, the fundus of the gallbladder, the neck of the pancreas, the hila of the kidneys and spleen, the ninth costal cartilage, and the spinal cord termination. Additionally, the origin of the superior mesenteric artery and the point where the splenic vein and superior mesenteric vein join to form the portal vein are located in this plane. The cardio-oesophageal junction, where the oesophagus meets the stomach, is also found in this area. It is mainly intra-abdominal, 3-4 cm in length, and houses the gastro-oesophageal sphincter. The ninth costal cartilage lies at the transpyloric plane, not the eighth, and the hila of both kidneys are located here, not just the superior pole of the left kidney. The uncinate process of the pancreas, which is an extension of the lower part of the head of the pancreas, lies between the superior mesenteric vessel and the aorta, and the neck of the pancreas is situated along the transpyloric plane.
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This question is part of the following fields:
- Gastroenterology
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Question 14
Incorrect
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A 40-year-old mid-level manager is referred by his company after a recent incident. He had been working on a major project that would secure his promotion and position in the firm. After months of hard work, he was just about to finalize the project when his team member made a mistake that caused a setback. Frustrated by the setback, your patient began yelling, stomping on the floor and throwing objects until he broke a window.
Which one of the following ego defences best describes his behaviour?Your Answer: Reaction formation
Correct Answer: Regression
Explanation:Understanding Ego Defence Mechanisms: Types and Examples
Regression, Sublimation, Identification, Dissociation, and Reaction Formation are all ego defence mechanisms that individuals use to cope with stress and anxiety.
Regression is an immature defence mechanism where individuals revert to childish behaviour when faced with stress. For example, a frustrated person may throw a temper tantrum like a toddler.
Sublimation, on the other hand, is a mature defence mechanism where individuals channel their unacceptable personality traits into respectable work that aligns with their values.
Identification is when individuals model the behaviour of a more powerful person. For instance, a victim of child abuse may become a child abuser in adulthood.
Dissociation is an immature defence mechanism where individuals temporarily modify their personal identity to avoid distress. An extreme form of dissociation is dissociative identity disorder.
Finally, Reaction Formation is an immature defence mechanism where individuals repress unacceptable emotions and replace them with their exact opposite. For example, a man with homoerotic desires may champion anti-homosexual public policy.
Understanding these ego defence mechanisms can help individuals recognize and cope with their own stress and anxiety in a healthy way.
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This question is part of the following fields:
- Psychiatry
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Question 15
Correct
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A 75-year-old woman is admitted to the Coronary Care Unit after being diagnosed with an inferior myocardial infarction. On day 2, she complains of sudden onset of severe pain in her left leg that started 30 minutes ago and is increasing in intensity. She has never had this kind of pain before and, prior to this admission, claims to have been extraordinarily well for her age. On examination, the leg is cool and pale in comparison to the right leg. Femoral pulses are present and of good volume; however, the pulse rhythm is noted to be irregular. The pulses in her right leg are all palpable. There are no pulses felt below the groin on the left leg.
Select the most appropriate diagnosis for this patient.Your Answer: Acute ischaemic limb due to an embolus from a proximal site
Explanation:Causes of Acute Limb Ischaemia
Acute limb ischaemia is a medical emergency that requires urgent intervention. There are several possible causes of this condition, including embolism from a proximal site, muscle haematoma due to anticoagulant therapy, chronic ischaemic limb, acute ischaemia due to thrombosis of an atherosclerotic plaque, and extensive deep vein thrombosis.
The most common cause of acute limb ischaemia is embolism from a proximal site. This occurs when a clot forms in the heart or a blood vessel and travels down to block a smaller artery in the leg. The classical symptoms of acute limb ischaemia are known as the 6 Ps, which include sudden onset of severe pain, absence of pulses, paraesthesiae, paralysis, pain on passive movement, and a pale, cold limb. Urgent referral to vascular surgeons is required, and angiography should be performed to determine the site and extent of the obstruction. If the limb is threatened by severe ischaemia, urgent revascularisation within 4 hours is necessary.
Muscle haematoma due to anticoagulant therapy is another possible cause of limb ischaemia, but it would not present with sudden-onset pain and absence of pulses. Chronic limb ischaemia would not present with sudden-onset severe pain either. Acute ischaemia due to thrombosis of an atherosclerotic plaque typically gives a more gradual onset of increasing pain and may be preceded by a history of intermittent claudication. Finally, extensive deep vein thrombosis would cause a warm, swollen limb with pulses present.
In conclusion, acute limb ischaemia is a serious condition that requires prompt diagnosis and treatment. The underlying cause of the condition will determine the appropriate management, and urgent referral to vascular surgeons is necessary in most cases.
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This question is part of the following fields:
- Vascular
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Question 16
Incorrect
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A 35-year-old man has arrived at the eye emergency department following a blow to the face with a baseball bat. During the examination, it was observed that there is blood in the anterior chamber of his left eye. What is the primary risk associated with the presence of blood in the anterior chamber?
Your Answer: Uveitis
Correct Answer: Glaucoma
Explanation:Blunt trauma to the eye that results in hyphema can lead to increased intraocular pressure, which is a high-risk situation for the patient.
The blockage of aqueous humour drainage caused by the presence of blood can result in glaucoma, which is a serious complication that requires close monitoring of intraocular pressure. While cataracts and ectopia lentis can be associated with blunt trauma, they are not typically associated with hyphema. Endophthalmitis, on the other hand, is usually caused by infection, post-surgery, or penetrating ocular trauma.
Ocular Trauma and Hyphema
Ocular trauma can lead to hyphema, which is the presence of blood in the anterior chamber of the eye. This condition requires immediate referral to an ophthalmic specialist for assessment and management. The main concern is the risk of raised intraocular pressure due to the blockage of the angle and trabecular meshwork with erythrocytes. Patients with high-risk cases are often admitted and require strict bed rest to prevent the disbursement of blood. Even isolated hyphema requires daily ophthalmic review and pressure checks initially as an outpatient.
In addition to hyphema, an assessment should also be made for orbital compartment syndrome, which can occur secondary to retrobulbar hemorrhage. This is a true ophthalmic emergency and requires urgent management. Symptoms of orbital compartment syndrome include eye pain and swelling, proptosis, ‘rock hard’ eyelids, and a relevant afferent pupillary defect.
To manage orbital compartment syndrome, urgent lateral canthotomy is necessary to decompress the orbit. This should be done before diagnostic imaging to prevent further damage. Proper management and prompt referral to an ophthalmic specialist can help prevent vision loss and other complications associated with ocular trauma and hyphema.
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This question is part of the following fields:
- Ophthalmology
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Question 17
Correct
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You are asked to help with the resuscitation of a premature neonate who is displaying respiratory distress immediately after birth at 36 +4 weeks. During auscultation of the precordium, you observe the absence of heart sounds on the left side but can hear tinkling sounds. Additionally, the infant is exhibiting cyanosis.
What is the most appropriate initial course of action?Your Answer: Intubation and ventilation
Explanation:If you hear bowel sounds during a respiratory exam of a neonate experiencing respiratory distress, it may indicate the presence of a diaphragmatic hernia. This condition occurs when abdominal organs protrude through a hole in the diaphragm, typically on the left side, leading to underdeveloped lungs and breathing difficulties. The sound of bowel in the chest cavity causes the bowel sounds to be audible. The heart sounds may also be louder on the right side due to the displacement of the heart. The initial treatment involves inserting a nasogastric tube to prevent air from entering the gut, but for a cyanotic patient, intubation and ventilation are necessary. Surgical repair of the diaphragm is the definitive treatment. BIPAP and CPAP are not appropriate for this condition, as they are used to keep the airway open in conditions such as COPD or respiratory distress syndrome. Facemask ventilation and nasal cannulae should be avoided as they increase the risk of air entering the gut, and an artificial airway is necessary to ensure adequate oxygenation.
Understanding Congenital Diaphragmatic Hernia
Congenital diaphragmatic hernia (CDH) is a rare condition that affects approximately 1 in 2,000 newborns. It occurs when the diaphragm, a muscle that separates the chest and abdominal cavities, fails to form completely during fetal development. As a result, abdominal organs can move into the chest cavity, which can lead to underdeveloped lungs and high blood pressure in the lungs. This can cause respiratory distress shortly after birth.
The most common type of CDH is a left-sided posterolateral Bochdalek hernia, which accounts for about 85% of cases. This type of hernia occurs when the pleuroperitoneal canal, a structure that connects the chest and abdominal cavities during fetal development, fails to close properly.
Despite advances in medical treatment, only about 50% of newborns with CDH survive. Early diagnosis and prompt treatment are crucial for improving outcomes. Treatment may involve surgery to repair the diaphragm and move the abdominal organs back into their proper position. In some cases, a ventilator or extracorporeal membrane oxygenation (ECMO) may be necessary to support breathing until the lungs can function properly. Ongoing care and monitoring are also important to manage any long-term complications that may arise.
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This question is part of the following fields:
- Paediatrics
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Question 18
Incorrect
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Sarah is a 20-year-old woman who has just started her first year at university. She is described by others as quite a reserved character. She has one friend but prefers solitary activities and has few interests. Sarah has never had a boyfriend and does not seem to be interested in companionship. When she is praised or criticised by others, she remains indifferent to their comments. There is no history of low mood or hallucinations.
What is the most probable diagnosis for Sarah's condition?Your Answer: Avoidant personality disorder
Correct Answer: Schizoid personality disorder
Explanation:Schizoid personality disorder exhibits similar negative symptoms to those seen in schizophrenia. This disorder is characterized by a lack of enjoyment in activities, emotional detachment, difficulty expressing emotions, indifference to praise or criticism, a preference for solitary activities, excessive introspection, a lack of close relationships, and a disregard for social norms. John displays more than three of these traits, indicating a possible diagnosis of schizoid personality disorder. Avoidant personality disorder is characterized by feelings of inadequacy and social inhibition, while borderline personality disorder involves mood swings and impulsive behavior. Histrionic personality disorder is marked by attention-seeking behavior and exaggerated emotions.
Personality disorders are a set of personality traits that are maladaptive and interfere with normal functioning in life. It is estimated that around 1 in 20 people have a personality disorder, which are typically categorized into three clusters: Cluster A, which includes Odd or Eccentric disorders such as Paranoid, Schizoid, and Schizotypal; Cluster B, which includes Dramatic, Emotional, or Erratic disorders such as Antisocial, Borderline (Emotionally Unstable), Histrionic, and Narcissistic; and Cluster C, which includes Anxious and Fearful disorders such as Obsessive-Compulsive, Avoidant, and Dependent.
Paranoid individuals exhibit hypersensitivity and an unforgiving attitude when insulted, a reluctance to confide in others, and a preoccupation with conspiratorial beliefs and hidden meanings. Schizoid individuals show indifference to praise and criticism, a preference for solitary activities, and emotional coldness. Schizotypal individuals exhibit odd beliefs and magical thinking, unusual perceptual disturbances, and inappropriate affect. Antisocial individuals fail to conform to social norms, deceive others, and exhibit impulsiveness, irritability, and aggressiveness. Borderline individuals exhibit unstable interpersonal relationships, impulsivity, and affective instability. Histrionic individuals exhibit inappropriate sexual seductiveness, a need to be the center of attention, and self-dramatization. Narcissistic individuals exhibit a grandiose sense of self-importance, lack of empathy, and excessive need for admiration. Obsessive-compulsive individuals are occupied with details, rules, and organization to the point of hampering completion of tasks. Avoidant individuals avoid interpersonal contact due to fears of criticism or rejection, while dependent individuals have difficulty making decisions without excessive reassurance from others.
Personality disorders are difficult to treat, but a number of approaches have been shown to help patients, including psychological therapies such as dialectical behavior therapy and treatment of any coexisting psychiatric conditions.
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This question is part of the following fields:
- Psychiatry
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Question 19
Correct
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The anaesthetic team is getting ready for a knee replacement surgery for a patient who is 35 years old. She is 1.60 metres tall and weighs 80 kilograms. She does not smoke or drink and has no known medical conditions. Additionally, she does not take any regular medications. What would be the ASA score for this patient?
Your Answer: II
Explanation:The American Society of Anaesthesiologists (ASA) classification is a system used to categorize patients based on their overall health status and the potential risks associated with administering anesthesia. There are six different classifications, ranging from ASA I (a normal healthy patient) to ASA VI (a declared brain-dead patient whose organs are being removed for donor purposes).
ASA II patients have mild systemic disease, but without any significant functional limitations. Examples of mild diseases include current smoking, social alcohol drinking, pregnancy, obesity, and well-controlled diabetes mellitus or hypertension. ASA III patients have severe systemic disease and substantive functional limitations, with one or more moderate to severe diseases. Examples include poorly controlled diabetes mellitus or hypertension, COPD, morbid obesity, active hepatitis, alcohol dependence or abuse, implanted pacemaker, moderate reduction of ejection fraction, End-Stage Renal Disease (ESRD) undergoing regularly scheduled dialysis, history of myocardial infarction, and cerebrovascular accidents.
ASA IV patients have severe systemic disease that poses a constant threat to life, such as recent myocardial infarction or cerebrovascular accidents, ongoing cardiac ischemia or severe valve dysfunction, severe reduction of ejection fraction, sepsis, DIC, ARD, or ESRD not undergoing regularly scheduled dialysis. ASA V patients are moribund and not expected to survive without the operation, such as ruptured abdominal or thoracic aneurysm, massive trauma, intracranial bleed with mass effect, ischaemic bowel in the face of significant cardiac pathology, or multiple organ/system dysfunction. Finally, ASA VI patients are declared brain-dead and their organs are being removed for donor purposes.
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This question is part of the following fields:
- Surgery
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Question 20
Correct
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A 67-year-old male is admitted to your surgical ward for an elective hemicolectomy tomorrow due to Duke's B colonic cancer. During your admission assessment, you observe that his full blood count (FBC) indicates a microcytic anaemia with a haemoglobin level of 60 g/L. His previous FBC 4 months ago showed Hb 90 g/L. Haematinic blood tests reveal that the cause of the microcytosis is iron deficiency.
What would be the most suitable approach to manage his anaemia?Your Answer: Pre-operative blood transfusion
Explanation:To prepare for surgery, it is necessary to correct the haemoglobin level of 58 g/L. However, this can only be achieved within a short period of time through a blood transfusion. If the issue had been detected earlier, iron transfusions or oral iron supplements would have been recommended over a longer period of weeks to months.
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.
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This question is part of the following fields:
- Surgery
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Question 21
Incorrect
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A 16-year-old boy is discovered following a street brawl with a stab wound on the left side of his chest to the 5th intercostal space, mid-clavicular line. He has muffled heart sounds, distended neck veins, and a systolic blood pressure of 70 mmHg. What is the most accurate description of his condition?
Your Answer: Charcot’s triad
Correct Answer: Beck’s triad
Explanation:Medical Triads and Laws
There are several medical triads and laws that are used to diagnose certain conditions. One of these is Beck’s triad, which consists of muffled or distant heart sounds, low systolic blood pressure, and distended neck veins. This triad is associated with cardiac tamponade.
Another law is Courvoisier’s law, which states that if a patient has a palpable gallbladder that is non-tender and is associated with painless jaundice, the cause is unlikely to be gallstones.
Meigs syndrome is a triad of ascites, pleural effusion, and a benign ovarian tumor.
Cushing’s syndrome is a set of signs and symptoms that occur due to prolonged use of corticosteroids, including hypertension and central obesity. However, this is not relevant to the patient in the question as there is no information about steroid use and the blood pressure is low.
Finally, Charcot’s triad is used in ascending cholangitis and consists of right upper quadrant pain, jaundice, and fever.
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This question is part of the following fields:
- Cardiology
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Question 22
Correct
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A 67-year-old woman is undergoing an OGD to investigate dysphagia related to her known achalasia. During the procedure, a mass is observed in the middle third of her oesophagus, without other abnormalities detected beyond this point. What type of cancer is most likely present?
Your Answer: Squamous cell carcinoma of the oesophagus
Explanation:The risk of oesophageal adenocarcinoma is higher in individuals with Barrett’s oesophagus, whereas those with achalasia are at a greater risk of developing squamous cell carcinoma of the oesophagus.
Oesophageal Cancer: Types, Risk Factors, Features, Diagnosis, and Treatment
Oesophageal cancer used to be mostly squamous cell carcinoma, but adenocarcinoma is now becoming more common, especially in patients with a history of gastro-oesophageal reflux disease (GORD) or Barrett’s. Adenocarcinoma is usually located near the gastroesophageal junction, while squamous cell tumours are found in the upper two-thirds of the oesophagus.
Risk factors for adenocarcinoma include GORD, Barrett’s oesophagus, smoking, achalasia, and obesity. Squamous cell cancer is more common in the developing world and is associated with smoking, alcohol, achalasia, Plummer-Vinson syndrome, and diets rich in nitrosamines.
The most common presenting symptom for both types of oesophageal cancer is dysphagia, followed by anorexia and weight loss. Other possible features include odynophagia, hoarseness, melaena, vomiting, and cough.
Diagnosis is done through upper GI endoscopy with biopsy, endoscopic ultrasound for locoregional staging, CT scanning for initial staging, and FDG-PET CT for detecting occult metastases. Laparoscopy may also be performed to detect occult peritoneal disease.
Operable disease is best managed by surgical resection, with the most common procedure being an Ivor-Lewis type oesophagectomy. However, the biggest surgical challenge is anastomotic leak, which can result in mediastinitis. Adjuvant chemotherapy may also be used in many patients.
Overall, oesophageal cancer is a serious condition that requires prompt diagnosis and treatment. Understanding the types, risk factors, features, diagnosis, and treatment options can help patients and healthcare providers make informed decisions about managing this disease.
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This question is part of the following fields:
- Medicine
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Question 23
Incorrect
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Anna is a 35-year-old woman who has come to her GP complaining of sudden lower back pain. Her medical history does not indicate any alarming symptoms and her neurological examination appears normal.
What initial pain relief medication should the GP suggest?Your Answer: Paracetamol
Correct Answer: Ibuprofen
Explanation:For the treatment of lower back pain, it is recommended to offer NSAIDS like ibuprofen or naproxen as the first line of treatment. Codeine with or without paracetamol can be used as a second option. In case of muscle spasm, benzodiazepines may be considered. However, NICE does not recommend the use of topical NSAIDS for lower back pain.
Management of Non-Specific Lower Back Pain
Lower back pain is a common condition that affects many people. In 2016, NICE updated their guidelines on the management of non-specific lower back pain. The guidelines recommend NSAIDs as the first-line treatment for back pain. Lumbar spine x-rays are not recommended, and MRI should only be offered to patients where malignancy, infection, fracture, cauda equina or ankylosing spondylitis is suspected.
Patients with non-specific back pain are advised to stay physically active and exercise. NSAIDs are recommended as the first-line analgesia, and proton pump inhibitors should be co-prescribed for patients over the age of 45 years who are given NSAIDs. For patients with sciatica, NICE guidelines on neuropathic pain should be followed.
Other possible treatments include exercise programmes and manual therapy, but only as part of a treatment package including exercise, with or without psychological therapy. Radiofrequency denervation and epidural injections of local anaesthetic and steroid may also be considered for acute and severe sciatica.
In summary, the management of non-specific lower back pain involves encouraging self-management, staying physically active, and using NSAIDs as the first-line analgesia. Other treatments may be considered as part of a treatment package, depending on the severity of the condition.
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This question is part of the following fields:
- Musculoskeletal
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Question 24
Correct
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A 31-year-old woman is on day four postpartum, following an emergency Caesarean section for severe pre-eclampsia. She feels well in herself and is mobilising and breastfeeding well. Her blood pressure has not normalised yet and is 158/106 mmHg today. Urinalysis is negative for protein. Following a long discussion, you decide that she is ready for discharge and can be managed in the community.
Which of the following is correct regarding postnatal hypertension?Your Answer: Women who are discharged and are still hypertensive should have their blood pressure checked every other day in the community until targets are achieved
Explanation:Postnatal Hypertension Management: Guidelines for Discharge and Follow-up
Women who experience hypertension during the postnatal period require careful management to ensure their blood pressure is controlled and any underlying causes are addressed. Here are some guidelines for managing postnatal hypertension:
– Women who are discharged and still hypertensive should have their blood pressure checked every other day in the community until targets are achieved.
– The GP at the 6-week postnatal check should convert all women with chronic hypertension (before pregnancy) back to their pre-pregnancy antihypertensive medication, if not contraindicated in breastfeeding.
– If blood pressure is found to be > 150/100 mmHg in the community, the patient should be referred back to the hospital.
– The blood pressure should be checked at least once every two weeks until the woman discontinues antihypertensive treatment.
– The GP at the 6-week postnatal check should stop antihypertensives in all women who required medical treatment in pregnancy, provided their blood pressure is < 130/80 mmHg.
– If a woman still has a blood pressure of ≤ 160/110 mmHg and proteinuria at the 6-week postnatal appointment, despite medical management, she will require a specialist referral to the hospital for further assessment of the underlying causes of hypertension.By following these guidelines, healthcare providers can ensure that women with postnatal hypertension receive appropriate care and support to manage their condition effectively.
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This question is part of the following fields:
- Obstetrics
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Question 25
Incorrect
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A 40-year-old female visits her doctor with a complaint of oral ulcers that have been persistent for a month. She also mentions that her hands have become swollen and painful over the past two weeks. During the examination, the doctor observes a rash on her face that crosses the nasal bridge but spares the nasolabial folds. To identify the underlying condition, the doctor orders some blood tests. What is the most specific antibody test for the underlying condition?
Your Answer: Rheumatoid factor
Correct Answer: Anti-dsDNA
Explanation:The presence of ANA is commonly seen in SLE patients, but it is not a specific indicator for the disease. Therefore, ANA positivity alone cannot confirm a diagnosis of SLE. Similarly, anti-CCP antibody is specific to rheumatoid arthritis and not SLE. While anti-Ro antibodies may be present in some SLE patients, it is not a reliable indicator as it is only found in 20-30% of cases.
Systemic lupus erythematosus (SLE) can be investigated through various tests, including antibody tests. ANA testing is highly sensitive, making it useful for ruling out SLE, but it has low specificity. About 99% of SLE patients are ANA positive. Rheumatoid factor testing is positive in 20% of SLE patients. Anti-dsDNA testing is highly specific (>99%), but less sensitive (70%). Anti-Smith testing is also highly specific (>99%), but only 30% of SLE patients test positive. Other antibody tests include anti-U1 RNP, SS-A (anti-Ro), and SS-B (anti-La).
Monitoring of SLE can be done through various markers, including inflammatory markers such as ESR. During active disease, CRP levels may be normal, but a raised CRP may indicate an underlying infection. Complement levels (C3, C4) are low during active disease due to the formation of complexes that lead to the consumption of complement. Anti-dsDNA titres can also be used for disease monitoring, but it is important to note that they are not present in all SLE patients. Proper monitoring of SLE is crucial for effective management of the disease.
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This question is part of the following fields:
- Musculoskeletal
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Question 26
Incorrect
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A 28-year-old male has come for his pre-operative assessment before his tonsillectomy due to recurrent tonsillitis. During the assessment, the anaesthetist asks about his family history and he reveals that his father and paternal grandfather both had malignant hyperthermia after receiving general anaesthesia. However, his mother and paternal grandmother have never had any adverse reactions to general anaesthesia. What is the likelihood of this patient experiencing a similar reaction after receiving general anaesthesia?
Your Answer: Incalculable
Correct Answer: 50%
Explanation:Malignant Hyperthermia: A Condition Triggered by Anaesthetic Agents
Malignant hyperthermia is a medical condition that often occurs after the administration of anaesthetic agents. It is characterized by hyperpyrexia and muscle rigidity, which is caused by the excessive release of calcium ions from the sarcoplasmic reticulum of skeletal muscle. This condition is associated with defects in a gene on chromosome 19 that encodes the ryanodine receptor, which controls calcium release from the sarcoplasmic reticulum. Susceptibility to malignant hyperthermia is inherited in an autosomal dominant fashion. It is worth noting that neuroleptic malignant syndrome may have a similar aetiology.
The causative agents of malignant hyperthermia include halothane, suxamethonium, and other drugs such as antipsychotics (which can trigger neuroleptic malignant syndrome). To diagnose this condition, doctors may perform tests such as checking for elevated levels of creatine kinase and conducting contracture tests with halothane and caffeine.
The management of malignant hyperthermia involves the use of dantrolene, which prevents the release of calcium ions from the sarcoplasmic reticulum. With prompt and appropriate treatment, patients with malignant hyperthermia can recover fully. Therefore, it is essential to be aware of the risk factors and symptoms of this condition, especially when administering anaesthetic agents.
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This question is part of the following fields:
- Surgery
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Question 27
Correct
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You are asked to assess a middle-aged woman in the maternity ward who is 5 days post-partum and reporting persistent vaginal bleeding with clots. You reassure her that lochia is a normal part of the post-partum period, but advise her that further investigation with ultrasound may be necessary if the bleeding continues beyond what time frame?
Your Answer: 6 weeks
Explanation:If lochia continues for more than 6 weeks, an ultrasound should be performed.
During the puerperium, which is the period of around 6 weeks after childbirth when the woman’s reproductive organs return to their normal state, lochia is the discharge of blood, mucous, and uterine tissue that occurs. It is expected to stop after 4-6 weeks. However, if it persists beyond this time, an ultrasound is necessary to investigate the possibility of retained products of conception.
Lochia refers to the discharge that is released from the vagina after childbirth. This discharge is composed of blood, mucous, and uterine tissue. It is a normal occurrence that can last for up to six weeks following delivery. During this time, the body is working to heal and recover from the physical changes that occurred during pregnancy and childbirth. It is important for new mothers to monitor their lochia and report any unusual changes or symptoms to their healthcare provider.
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This question is part of the following fields:
- Obstetrics
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Question 28
Incorrect
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A 67-year-old man presents to his General Practitioner with a 5-month history of night sweats and weight loss. He has no history of cough, shortness of breath or foreign travel. He denies any back or joint pain. He is normally fit and well, except for high blood pressure for which he takes enalapril. He continues to drink ten units of alcohol per week.
On examination, he is noted to have cervical and groin lymphadenopathy, with an enlarged spleen. The remainder of the examination and observations are normal.
Which of the following is most likely to be used in the management of this patient?Your Answer: Radiotherapy
Correct Answer: Rituximab
Explanation:The patient in question is displaying symptoms of non-Hodgkin’s lymphoma, including night sweats, weight loss, lymphadenopathy, and splenomegaly. While other symptoms may include pruritus, fever, and shortness of breath, the most common treatment for progressive non-Hodgkin’s lymphoma is a combination chemotherapy called R-CHOP, which includes rituximab. Rituximab is an anti-CD20 monoclonal antibody used for non-Hodgkin’s lymphoma and rheumatoid arthritis. The other options, including infliximab, lenalidomide, radiotherapy, and rifampicin, are used for different conditions such as Crohn’s disease, multiple myeloma, Hodgkin’s lymphoma, and tuberculosis, respectively.
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This question is part of the following fields:
- Haematology
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Question 29
Incorrect
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A 67-year-old woman visits her GP with complaints of constipation that has been ongoing for a month. She requests medication to alleviate the symptoms. The patient reports feeling more fatigued than usual and has noticed recent weight gain. During the examination, the GP observes dry scaly skin. The patient's medical history indicates recent consultation with an endocrinologist.
What would lead to elevated thyroid-stimulating hormone (TSH) levels and normal T4 in this case?Your Answer: Primary hypothyroidism
Correct Answer: Poor compliance with thyroxine
Explanation:Understanding Thyroid Disorders: Differentiating Poor Compliance with Thyroxine from Other Conditions
Thyroid disorders can present with a variety of symptoms, making it important to differentiate between different conditions. In the case of poor compliance with thyroxine medication, a patient may present with signs of a low thyroid state, but blood results will show a high TSH and normal T4, indicating recent medication use.
Primary hypothyroidism, on the other hand, would show a low T4 and high TSH, while thyrotoxicosis would reveal a low TSH and high T4, accompanied by symptoms such as tachycardia and tremors. Secondary hypothyroidism would present with low levels of both T4 and TSH, indicating a pituitary problem.
Sick euthyroid syndrome, which often occurs in individuals with systemic illness, would show low levels of TSH, thyroxine, and T3, but the TSH level may still be within the normal range. Understanding these differences can help healthcare professionals make accurate diagnoses and provide appropriate treatment.
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This question is part of the following fields:
- Endocrinology
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Question 30
Correct
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A 33-year-old woman who is 28 weeks pregnant arrives at the emergency department with painless vaginal bleeding. She had her second baby three years ago, which was delivered via a c-section, but otherwise was a normal pregnancy. Upon obstetric examination, her uterus was non-tender, however, her baby was in breech presentation. The foetal heart rate was also normal, and she denied experiencing any contractions during the bleeding episode. What is the recommended next investigation for the most probable diagnosis?
Your Answer: Transvaginal ultrasound
Explanation:Understanding Placenta Praevia
Placenta praevia is a condition where the placenta is located wholly or partially in the lower uterine segment. It is a relatively rare condition, with only 5% of women having a low-lying placenta when scanned at 16-20 weeks gestation. However, the incidence at delivery is only 0.5%, as most placentas tend to rise away from the cervix.
There are several factors associated with placenta praevia, including multiparity, multiple pregnancy, and embryos implanting on a lower segment scar from a previous caesarean section. Clinical features of placenta praevia include shock in proportion to visible loss, no pain, a non-tender uterus, abnormal lie and presentation, and a usually normal fetal heart. Coagulation problems are rare, and small bleeds may occur before larger ones.
Diagnosis of placenta praevia should not involve digital vaginal examination before an ultrasound, as this may provoke severe haemorrhage. The condition is often picked up on routine 20-week abdominal ultrasounds, but the Royal College of Obstetricians and Gynaecologists recommends the use of transvaginal ultrasound for improved accuracy and safety. Placenta praevia is classified into four grades, with grade IV being the most severe, where the placenta completely covers the internal os.
In summary, placenta praevia is a rare condition that can have serious consequences if not diagnosed and managed appropriately. It is important for healthcare professionals to be aware of the associated factors and clinical features, and to use appropriate diagnostic methods for accurate grading and management.
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This question is part of the following fields:
- Obstetrics
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