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Question 1
Incorrect
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A 35-year-old woman has had a renal transplant six months ago. Other than chronic kidney disease and her subsequent transplant, she has no significant medical history or family history. There is a shared-care protocol between the Transplant Unit and the General Practitioner.
Which of the following is this patient most likely to receive as part of this protocol?
Your Answer: Zostavax® shingles vaccine
Correct Answer: Depot medroxyprogesterone acetate
Explanation:Managing Women’s Health after Renal Transplant: Contraception, Cancer Screening, and Vaccinations
Women who have undergone renal transplant and are of childbearing age should use effective contraception to prevent unintended pregnancy. The most effective methods include intrauterine contraceptive devices, etonogestrel implants, and depot medroxyprogesterone acetate. The latter is particularly suitable as it doesn’t interact with immunosuppressive drugs commonly used in transplant patients. While pregnancy is possible after a renal transplant, it is recommended to wait for at least a year and plan it carefully. Women should also manage their cardiovascular risk factors and keep up-to-date with vaccinations and cancer screening.
Renal transplant recipients have a higher incidence of cancer than the general population, so regular cancer screening is essential. Breast screening typically starts at 50 years, while cervical screening may not require additional tests. Warfarin is unlikely to be prescribed after a renal transplant, but if necessary, careful monitoring is required. Live vaccines, including Zostavax® shingles vaccine, should be avoided due to the risk of lower efficacy and immunosuppression. Instead, Shingrix® vaccine can be used where indicated.
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This question is part of the following fields:
- Allergy And Immunology
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Question 2
Correct
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What items must be removed before cremation?
Your Answer: Pacemaker
Explanation:Implants that require removal before cremation
Guidance for medical practitioners on the Ministry of Justice website states that certain implants pose a serious health and safety risk at the crematorium and must be removed before cremation. These include bone growth stimulators, radioactive iodine-125 seeds used in brachytherapy to the prostate, cardiac resynchronisation therapy devices, dental mercury amalgam, fixion nails, hydrocephalus programmable shunts, implantable cardioverter defibrillators, implantable drug pumps, implantable loop recorders, neurostimulators, pacemakers, ventricular assist devices, and any other battery-powered implant.
However, the British Cochlear Implant Group states that it is currently not necessary to remove cochlear implants before cremation as they will not explode. Although some crematoriums may require all implantable devices to be removed, parts of the implant may still remain after cremation. If new implants with batteries contained in the internal device become available in the future, it will be necessary to remove them before cremation.
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This question is part of the following fields:
- Improving Quality, Safety And Prescribing
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Question 3
Incorrect
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A 45-year-old man with no previous medical history of note attends for a new patient check. His blood pressure is noted to be 152/100 mmHg so you arrange blood tests. The results include an eGFR of 55.
Select the single correct diagnosis that can be made in this case.Your Answer: Essential hypertension
Correct Answer: None of the above
Explanation:Diagnosis of CKD and Hypertension: NICE Guidelines
The National Institute for Health and Care Excellence (NICE) has provided guidelines for the diagnosis of chronic kidney disease (CKD) and hypertension. To diagnose CKD, more than one estimated glomerular filtration rate (eGFR) reading below 60 is required over a period of three months. Similarly, hypertension should not be diagnosed based on a single blood pressure reading, but rather through ambulatory or home blood pressure monitoring. Acute kidney injury is characterized by a significant increase in serum creatinine or oliguria, and eGFR is not a reliable indicator for its diagnosis. NICE also recommends using eGFRcystatinC to confirm or rule out CKD in individuals with an eGFR of 45-59 ml/min/1.73 m2, sustained for at least 90 days, and no proteinuria or other markers of kidney disease.
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This question is part of the following fields:
- Kidney And Urology
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Question 4
Incorrect
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A 14-month-old girl presents with rash and high fever.
A diagnosis of measles is suspected.
Which one of the following statements is true concerning measles infection?Your Answer: Koplik spots are pathognomonic
Correct Answer: The erythematous maculopapular rash usually starts on the hands
Explanation:Measles: Key Points to Remember
– Prophylactic antibiotics are not effective in treating measles.
– Koplik spots are a unique symptom of measles.
– Erythromycin doesn’t reduce the duration of measles.
– The MMR vaccine is typically given to children between 12-15 months of age.
– The rash associated with measles is widespread and different from the vesicular rash of Chickenpox.Measles is a highly contagious viral infection that can cause serious complications, particularly in young children. It is important to remember that prophylactic antibiotics are not effective in treating measles, and erythromycin doesn’t shorten the duration of the illness. One unique symptom of measles is the presence of Koplik spots, which are small white spots that appear on the inside of the mouth. The MMR vaccine is the most effective way to prevent measles and is typically given to children between 12-15 months of age. Finally, it is important to note that the rash associated with measles is widespread and different from the vesicular rash of Chickenpox.
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This question is part of the following fields:
- Children And Young People
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Question 5
Correct
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The husband of one of your elderly patients attends surgery because she is concerned about her husband's heavy alcohol consumption.
She explains that he drinks himself to a stupor every day and probably consumes at least a bottle of wine a day, although she suspects that he supplements that secretly when she is not around because his breath often smells of alcohol in the morning. This has been happening for many years and he refuses to see you about it.
Following an argument the previous night, when she threatened to leave him unless he recognised the problem, he has agreed to stop drinking completely. His wife is worried about him having the DTs and asks you about this.
On average, how long does it take for delirium tremens (DTs) to develop following complete cessation of drinking?Your Answer: 48-96 hours
Explanation:Understanding Alcohol Withdrawal Symptoms
Alcohol withdrawal symptoms can manifest in different ways depending on the severity of the addiction. DTs or delirium tremens usually occur 2-4 days after stopping drinking and are characterized by severe agitation, confusion, and hallucinations. On the other hand, tremulousness or withdrawal convulsions can occur during a drinking spree or within a few hours of cessation. Alcoholic hallucinosis, which is characterized by auditory hallucinations, can occur over days or weeks. However, it is less severe than DTs.
Admission to a medical facility for appropriate sedation, nursing support, and thiamine replacement is necessary to manage the symptoms and prevent complications. Understanding the different alcohol withdrawal symptoms can help you identify when someone needs medical attention and provide the necessary support.
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This question is part of the following fields:
- Smoking, Alcohol And Substance Misuse
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Question 6
Incorrect
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A 16-year-old male presents with a two hour history of severe pain in the left testis. He is unaware of preceding trauma and feels that the pain has increased since it began. He feels nauseated and has been pyrexial.
Whilst examining him he confesses to having a sexual relationship. On examination, he has a tender swollen left testis with a temperature of 37.5°C.
What is the most appropriate management for this patient?Your Answer: Arrange emergency admission
Correct Answer: Take FBC and MSU and await results before prescribing.
Explanation:Acute Testicular Pain in Young Males: Torsion as the Primary Concern
In young males under 20 years of age who experience sudden testicular pain, it is crucial to consider torsion as the primary diagnosis. Failure to recognize this condition can lead to irreversible damage to the testes. Therefore, the most important action is to seek immediate medical attention and admission for acute urology opinion.
Prompt treatment within six hours of symptom onset can save most testes, while delaying treatment beyond 12 hours can result in the loss of the affected testicle. Therefore, it is essential to prioritize timely diagnosis and management of testicular torsion to prevent long-term complications and preserve fertility.
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This question is part of the following fields:
- Urgent And Unscheduled Care
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Question 7
Correct
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Anna is a 35-year-old woman who has been unsuccessful in conceiving a child after three rounds of IVF. She is now contemplating adoption and fostering as alternatives. Anna adores children and desires to have a big family.
What is the highest number of children that Anna can foster simultaneously?Your Answer: 3
Explanation:As per the Children Act 1989, families are restricted to fostering a maximum of three children.
Foster care is a system in which children who cannot live with their birth families are placed with foster families who provide them with a safe and nurturing environment. According to Schedule 7 of the Children Act 1989, there is a limit of three foster children per family. Additionally, all children in long-term foster care require a medical examination every six months to ensure their physical and emotional well-being. This system aims to provide children with stability and support while their birth families work towards resolving any issues that led to their placement in foster care.
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This question is part of the following fields:
- Children And Young People
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Question 8
Incorrect
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What is the most valuable tool for assessing a patient with suspected occupational asthma?
Your Answer: Skin testing with common airborne allergens to determine the patient's atopic status
Correct Answer: Documentation of a known sensitising agent at the patient's workplace
Explanation:Understanding Occupational Asthma
Occupational asthma is a type of asthma that is caused by conditions and factors present in a particular work environment. It is characterized by variable air flow limitation and/or airway hyper-responsiveness. This type of asthma accounts for about 10% of adult asthma cases.
To diagnose occupational asthma, there are several investigations that are proven to be effective. These include serial peak flow measurements at and away from work, specific IgE assay or skin prick testing, and specific inhalation testing. If there is a consistent fall in peak flow values and increased intraday variability on working days, and improvement on days away from work, then occupational asthma is confirmed.
It is important to understand occupational asthma and its causes to prevent and manage this condition effectively. Proper diagnosis and management can help individuals continue to work safely and maintain their quality of life.
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This question is part of the following fields:
- Respiratory Health
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Question 9
Correct
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A 75-year-old woman is being evaluated. She experienced a wrist fracture 2 years ago and underwent a DEXA scan, which revealed a T-score of -2.6 SD. Calcium and vitamin D supplements were initiated, and she was prescribed oral alendronate, but it was discontinued due to oesophagitis. According to NICE guidelines, what is the most appropriate course of action now?
Your Answer: Switch to risedronate
Explanation:According to the 2008 NICE guidelines, if a patient cannot tolerate alendronate, it is recommended to switch to risedronate or etidronate.
Osteoporosis is a condition that weakens bones, making them more prone to fractures. The National Institute for Health and Care Excellence (NICE) has updated its guidelines on the management of osteoporosis in postmenopausal women. Treatment is recommended for women who have confirmed osteoporosis following fragility fractures. Vitamin D and calcium supplements should be offered to all women unless they have adequate intake. Alendronate is the first-line treatment, but if patients cannot tolerate it, risedronate or etidronate may be given. Strontium ranelate and raloxifene are recommended if bisphosphonates cannot be taken. Treatment criteria for patients not taking alendronate are complex and based on age, T-score, and risk factors. Bisphosphonates have been shown to reduce the risk of fractures, while vitamin D and calcium supplements have a poor evidence base. Raloxifene, strontium ranelate, and denosumab are other treatment options, but they have potential side effects and should only be prescribed by specialists. Hormone replacement therapy is no longer recommended for osteoporosis prevention due to concerns about increased rates of cardiovascular disease and breast cancer. Hip protectors and falls risk assessments may also be considered in the management of high-risk patients.
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This question is part of the following fields:
- Musculoskeletal Health
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Question 10
Incorrect
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You see a woman who is 29 weeks pregnant. She presents with a rash that came on about two weeks ago.
She tells you that it started with some 'itchy red lumps around the belly-button' and has progressed. She has an itchy blistering rash that is most prominent around her umbilicus, but over the last few days has spread to the surrounding trunk, back and proximal limbs.
You note a few tense, fluid-filled blisters. The rash appears slightly raised and plaque-like. Her head, face, hands and feet are spared; her mouth and mucous membranes are also unaffected. She is systemically well.
What is the diagnosis?Your Answer:
Correct Answer: Cholestasis of pregnancy
Explanation:Dermatological Conditions in Pregnancy
During pregnancy, there are specific dermatological conditions that should be considered when assessing a skin complaint. However, it is important to note that pregnancy doesn’t exclude the usual causes of rashes, and infectious causes must also be considered as they may pose a risk to the developing fetus.
One such condition is pemphigoid gestationis (PG), an autoimmune blistering condition that causes fluid-filled blisters on an itchy rash, typically starting around the umbilicus. Topical steroids and oral antihistamines are used for milder cases, while oral steroids may be necessary for more severe disease.
Cholestasis of pregnancy causes generalised pruritus, particularly affecting the palms and soles, and is typically seen in the latter half of pregnancy. Symptoms resolve after delivery, but recurrence occurs in up to 40% of pregnancies. Abnormal liver function tests are also seen.
Parvovirus, although uncommon in pregnancy, can cause serious fetal complications, including hydrops, growth retardation, anaemia, and hepatomegaly. It typically causes a slapped cheek rash followed by a lace-pattern rash on the limbs and trunk. Approximately 1 in 10 of those affected in the first half of pregnancy will miscarry, and in the remainder, there is a 1% risk of congenital abnormality.
Polymorphic eruption of pregnancy, also known as pruritic urticarial papules and plaques of pregnancy (PUPPP), is characterised by an itchy rash of pink papules that occurs in the stretch marks of the abdomen in the third trimester. It clears with delivery and is thought to be related to an allergy to the stretch marks.
Varicella can cause a vesicular rash, but the description of tense blisters in combination with the rash distribution and other features are typical of PG.
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This question is part of the following fields:
- Dermatology
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Question 11
Incorrect
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A 35-year-old patient who is on methotrexate for psoriasis presents because her 6-year-old son has been suffering from Chickenpox and she is concerned about developing it. She has not previously had Chickenpox herself and is currently well, with no symptoms or rash.
What advice should be given to this patient?Your Answer:
Correct Answer: Test for varicella antibodies and give varicella-zoster immunoglobulin
Explanation:Patients who are on long-term steroids or methotrexate and have weakened immune systems should be given VZIG if they come into contact with Chickenpox and have no antibodies to varicella. Although Chickenpox is usually a mild illness, it can be dangerous for those who are immunosuppressed or pregnant.
If a patient has been exposed to varicella, they should be offered active post-exposure prophylaxis with varicella-zoster immunoglobulin. It is important to test people who have had significant exposure to Chickenpox and are immunocompromised for varicella-zoster antibody, regardless of their history of Chickenpox.
It is inappropriate to wait for up to 21 days to see if symptoms appear or take no action because this patient is immunosuppressed and is at risk of severe varicella infection. Similarly, stopping her methotrexate would not be appropriate as the immunosuppressive effects would take time to wear off.
Managing Chickenpox Exposure in At-Risk Groups
Whilst Chickenpox is usually a mild condition in children with normal immune systems, it can cause serious systemic disease in at-risk groups. Pregnant women and their developing fetuses are particularly vulnerable. Therefore, it is crucial to know how to manage varicella exposure in these special groups.
To determine who would benefit from active post-exposure prophylaxis, the following criteria should be met: significant exposure to Chickenpox or herpes zoster, a clinical condition that increases the risk of severe varicella (such as immunosuppression), and no antibodies to the varicella virus. Ideally, all at-risk exposed patients should have a blood test for varicella antibodies. However, post-exposure prophylaxis should not be delayed past 7 days after initial contact.
Patients who meet the above criteria should be given varicella-zoster immunoglobulin (VZIG). The management of Chickenpox exposure in pregnancy is an important topic that is covered in more detail in a separate entry to the textbook.
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This question is part of the following fields:
- Infectious Disease And Travel Health
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Question 12
Incorrect
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Which one of the following statements best describes a type II statistical error?
Your Answer:
Correct Answer: The null hypothesis is accepted when it is false
Explanation:Type II error – the false hypothesis is not rejected when it is true.
Significance tests are used to determine the likelihood of a null hypothesis being true. The null hypothesis states that two treatments are equally effective, while the alternative hypothesis suggests that there is a difference between the two treatments. The p value is the probability of obtaining a result by chance that is at least as extreme as the observed result, assuming the null hypothesis is true. Two types of errors can occur during significance testing: type I, where the null hypothesis is rejected when it is true, and type II, where the null hypothesis is accepted when it is false. The power of a study is the probability of correctly rejecting the null hypothesis when it is false, and it can be increased by increasing the sample size.
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This question is part of the following fields:
- Evidence Based Practice, Research And Sharing Knowledge
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Question 13
Incorrect
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A 58-year-old man has hesitancy, a weak and sometimes intermittent urinary stream and terminal dribbling. He has to pass water once or twice in the night. On digital rectal examination, his prostate is firm and smooth and without nodules. It is enlarged to about two fingers’ breadth. Urinalysis is normal. His prostate-specific antigen (PSA) level is 1.5 ng/ml (cut off age 55 - 59 = 3.5 ng/ml). He is otherwise well. He finds the symptoms troublesome and requests something to help quickly.
Which would be the most appropriate drug to prescribe to relieve his symptoms quickly?Your Answer:
Correct Answer: Tamsulosin
Explanation:Treatment Options for Benign Prostatic Hyperplasia
Benign prostatic hyperplasia (BPH) is a common condition in men, characterized by troublesome symptoms such as difficulty urinating. There are several treatment options available, depending on the severity of symptoms and the size of the prostate.
Alpha-blockers, such as tamsulosin, are usually the first-line treatment for men with moderate-to-severe voiding symptoms. These drugs reduce the tone in the muscle of the neck of the bladder, providing relief within days.
5-alpha-reductase inhibitors, such as finasteride, can be offered to men with symptoms. These drugs block the synthesis of dihydrotestosterone from testosterone and can reduce symptoms, but it may take several months before benefit is noted.
Oral desmopressin, an analogue of antidiuretic hormone, can be used when nocturnal polyuria is the predominant symptom and there is no other obvious treatable cause.
Goserelin, a gonadorelin analogue, is used in the treatment of prostate cancer. Given the examination findings of a smoothly enlarged prostate and a normal PSA, prostate cancer is unlikely.
Antimuscarinic drugs, such as oxybutynin, can be added for men with a mixed picture of voiding and storage symptoms. However, for men with predominantly voiding symptoms and signs of BPH on examination, oxybutynin would not be first line.
In summary, treatment options for BPH depend on the individual’s symptoms and prostate size. Alpha-blockers and 5-alpha-reductase inhibitors are commonly used, while desmopressin and goserelin are reserved for specific cases. Antimuscarinic drugs may be added for men with mixed symptoms, but are not first-line for those with predominantly voiding symptoms.
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This question is part of the following fields:
- Kidney And Urology
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Question 14
Incorrect
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A 9-year-old boy is brought in to your clinic by his father. His father is worried because two days ago he had been playing in the same room as a child who was subsequently diagnosed with Chickenpox.
He is completely asymptomatic and has no other significant illnesses or allergies. His father declined the varicella vaccine when he was a baby having assumed that it could not be given because one of his grandparents had a history of shingles and a distant relative was undergoing investigation for possible autoimmune disease.
How would you handle this situation?Your Answer:
Correct Answer: Reassure that no further action necessary
Explanation:Measles and MMR Vaccination Guidelines
Significant contact with measles is defined as being in the same room as an infected individual for 15 minutes or more. If an individual has not been fully immunised or has not previously had laboratory confirmed measles, it is assumed that they lack immunity. This is important to note for children who have not received the MMR vaccination for no good reason, as family history of epilepsy or autism is not a contraindication.
Ideally, the MMR vaccine should be given within three days of contact with a possible case of measles. A repeat MMR vaccine should be given after at least a month. The first dose of MMR should be given between 12 and 13 months of age, within a month of the first birthday. Immunisation before one year of age provides earlier protection in localities where the risk of measles is higher, but residual maternal antibodies may reduce the response rate to the vaccine. The optimal age chosen for scheduling children is therefore a compromise between risk of disease and level of protection.
If a dose of MMR is given before the first birthday, either because of travel to an endemic country or because of a local outbreak, then this dose should be ignored, and two further doses given at the recommended times between 12 and 13 months of age and at three years four months to five years of age. During the 2012-13 outbreak in Wales, a recommendation was made about the possibility of withdrawal from educational establishments for unvaccinated close contacts.
It is important to follow these guidelines to prevent the spread of measles and protect individuals who may be at risk.
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This question is part of the following fields:
- Infectious Disease And Travel Health
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Question 15
Incorrect
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A 38-year-old woman comes to her doctor complaining of lower back pain and a burning sensation in her right upper thigh that began 2 weeks ago. She reports that the pain is more noticeable when she stands for extended periods of time at work, but it doesn't interfere with her sleep. During a hip and knee examination, no motor abnormalities are detected. She speculates that the pain may be related to her recent participation in a spin class.
What condition is likely causing her symptoms?Your Answer:
Correct Answer: Meralgia paraesthetica
Explanation:Meralgia paraesthetica is a condition that occurs when the lateral cutaneous nerve of the thigh is compressed, resulting in burning and numbness in the upper lateral portion of the thigh. This condition typically affects only one side of the body and doesn’t cause any motor deficits. Symptoms may worsen with hip extension or prolonged standing, but sitting down can provide temporary relief.
Femoral neuropathy, on the other hand, affects both the sensory and motor functions of the muscles innervated by the nerve. While burning pain and paraesthesia may be present, weakness in the legs, especially when climbing stairs, is also a common symptom. A hip and knee exam may reveal abnormalities such as weakness when extending or flexing these joints.
Referred lumbar radiculopathy is another condition that can cause leg pain, but the pain is typically located in the back of the leg rather than the upper-lateral portion. The pain is often described as a shooting pain, and patients may also experience motor deficits.
Superior cluneal nerve dysfunction can also cause burning pain and paraesthesia, but this condition affects the lower back and upper gluteal area rather than the thigh.
Understanding Meralgia Paraesthetica
Meralgia paraesthetica is a condition characterized by paraesthesia or anaesthesia in the distribution of the lateral femoral cutaneous nerve (LFCN). It is caused by entrapment of the LFCN, which can be due to various factors such as trauma, iatrogenic causes, or neuroma. Although not rare, it is often underdiagnosed.
The LFCN is a sensory nerve that originates from the L2/3 segments and runs beneath the iliac fascia before exiting through the lateral aspect of the inguinal ligament. Compression of the nerve can occur anywhere along its course, leading to the development of meralgia paraesthetica. The condition is more common in men than women and is often seen in those with diabetes or obesity.
Symptoms of meralgia paraesthetica include burning, tingling, numbness, and shooting pain in the upper lateral aspect of the thigh. These symptoms are usually aggravated by standing and relieved by sitting. Diagnosis can be made through the pelvic compression test, which is highly sensitive, or through nerve conduction studies. Treatment options include injection of the nerve with local anaesthetic or surgical decompression.
In conclusion, meralgia paraesthetica is a condition that can cause significant discomfort and restriction in patients. Understanding its causes, symptoms, and diagnostic methods can aid in its timely diagnosis and management.
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This question is part of the following fields:
- Musculoskeletal Health
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Question 16
Incorrect
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A 42-year-old man with known asthma visits your clinic with a complaint of worsening wheezing over the past few hours. He seldom attends asthma clinic and you observe that his previous best peak flow readings were 400 L/min. What is the threshold that indicates acute severe asthma in this patient?
Your Answer:
Correct Answer: Respiratory rate >25
Explanation:Assessment and Severity of Acute Asthma
Assessment and severity of acute asthma are common topics in exams. The British Thoracic Society provides clear guidance on the assessment and management of acute asthma, which should be familiar to healthcare professionals.
Indicators of acute severe asthma include a peak expiratory flow rate of 33-50% of best or predicted, a respiratory rate of 25 or greater, a heart rate of 110/min or greater, or an inability to complete sentences in one breath. The aim of oxygen therapy is to maintain SpO2 94-98%.
In the case of this man, the only indicator of an acute severe asthma attack is a respiratory rate of >25. If any of these features persist after initial treatment, the patient should be admitted. It is important for healthcare professionals to be aware of these indicators and to follow the appropriate management guidelines to ensure the best possible outcome for the patient.
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This question is part of the following fields:
- Respiratory Health
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Question 17
Incorrect
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You assess a 28-year-old female patient who reports experiencing frequent migranous headaches that occur only during her menstrual cycle. She has previously attempted propranolol prophylaxis but discontinued it due to adverse effects. Additionally, mefenamic acid and naproxen have not provided relief. Which preventative approach should be considered?
Your Answer:
Correct Answer: Zolmitriptan bd during menstruation
Explanation:Triptans can serve as a form of preventive treatment for menstrual migraines, known as mini-prophylaxis.
Managing Migraines: Guidelines and Treatment Options
Migraines can be debilitating and affect a significant portion of the population. To manage migraines, it is important to understand the different treatment options available. The National Institute for Health and Care Excellence (NICE) has provided guidelines for the management of migraines.
For acute treatment, a combination of an oral triptan and an NSAID or paracetamol is recommended as first-line therapy. For young people aged 12-17 years, a nasal triptan may be preferred. If these measures are not effective or not tolerated, a non-oral preparation of metoclopramide or prochlorperazine may be offered, along with a non-oral NSAID or triptan.
Prophylaxis should be considered if patients are experiencing two or more attacks per month. NICE recommends either topiramate or propranolol, depending on the patient’s preference, comorbidities, and risk of adverse events. Propranolol is preferred in women of childbearing age as topiramate may be teratogenic and reduce the effectiveness of hormonal contraceptives. Acupuncture and riboflavin may also be effective in reducing migraine frequency and intensity.
For women with predictable menstrual migraines, frovatriptan or zolmitriptan may be used as a type of mini-prophylaxis. Specialists may also consider candesartan or monoclonal antibodies directed against the calcitonin gene-related peptide (CGRP) receptor, such as erenumab. However, pizotifen is no longer recommended due to common adverse effects such as weight gain and drowsiness.
It is important to exercise caution with young patients as acute dystonic reactions may develop. By following these guidelines and considering the various treatment options available, migraines can be effectively managed and their impact on daily life reduced.
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This question is part of the following fields:
- Neurology
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Question 18
Incorrect
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A 76-year-old patient comes to you complaining of intense pain in their right shoulder. After an X-ray examination, it is discovered that they have a pathological fracture in their proximal humerus. Which primary solid tumor cancer groups are most prone to metastasizing to bone?
Your Answer:
Correct Answer: Breast, lung, thyroid, colorectal, cervix
Explanation:Causes of Pathological Fractures in the Elderly
Pathological fractures are fractures that occur due to weakened bones caused by underlying medical conditions. While any type of bone tumour can cause pathological fractures, the majority of cases in the elderly are due to metastatic carcinomas. This is because as people age, their risk of developing cancer increases. Multiple myeloma, a type of cancer that affects the bone marrow, is also common in the elderly and has a high incidence of pathological fractures. Lymphoma, although uncommon, can also cause pathological fractures.
It is important to keep this information in mind when evaluating elderly patients who present with musculoskeletal problems such as shoulder or back pain. A thorough medical history and physical examination can help identify the underlying cause of the fracture and guide appropriate treatment. By understanding the common causes of pathological fractures in the elderly, healthcare providers can provide better care and improve patient outcomes.
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This question is part of the following fields:
- End Of Life
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Question 19
Incorrect
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What is the correct statement regarding folic acid deficiency?
Your Answer:
Correct Answer: It is responsible for neural tube defect in the fetus
Explanation:Understanding Folic Acid Deficiency and Supplementation
Folic acid is an essential nutrient that plays a crucial role in fetal development and overall health. Inadequate intake of folic acid can lead to various health problems, including neural tube defects in the fetus. Pregnant women are particularly at risk and are advised to take folic acid supplements to meet their increased requirements.
Contrary to popular belief, intestinal bacterial overgrowth is not a common cause of folic acid deficiency. Instead, reduced intake is the primary cause, and deficiency can develop rapidly within four months in people with an inadequate diet. It is important to note that folic acid deficiency can cause megaloblastic anemia, but it doesn’t typically result in neurological symptoms like vitamin B12 deficiency.
Methotrexate, a drug used to treat various conditions, can impair folate utilization and cause megaloblastic anemia. Concomitant folic acid supplementation can reduce the overall toxicity of the drug without affecting its efficacy. However, it is recommended to avoid taking folic acid on the same day as methotrexate to prevent adverse effects on absorption.
In summary, understanding folic acid deficiency and supplementation is crucial for maintaining overall health, especially during pregnancy and when taking certain medications. Adequate intake of folic acid can prevent various health problems and improve overall well-being.
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This question is part of the following fields:
- Haematology
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Question 20
Incorrect
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A 55-year-old man with no significant medical history asks for a PSA test after hearing about a friend of his father who was diagnosed with prostate cancer. What should be done in this situation?
Your Answer:
Correct Answer: Give him a patient information leaflet with details of the PSA test and allow him to make the choice
Explanation:PSA Testing for Prostate Cancer
Prostate specific antigen (PSA) is an enzyme produced by the prostate gland, and it is used as a tumour marker for prostate cancer. However, there is still much debate about its usefulness as a screening tool. The NHS Prostate Cancer Risk Management Programme (PCRMP) has published guidelines on how to handle requests for PSA testing in asymptomatic men. The National Screening Committee has decided not to introduce a prostate cancer screening programme yet, but rather allow men to make an informed choice.
The PCRMP has recommended age-adjusted upper limits for PSA, while NICE Clinical Knowledge Summaries suggest a lower threshold for referral. However, PSA levels may also be raised by other conditions such as benign prostatic hyperplasia, prostatitis, urinary tract infection, ejaculation, vigorous exercise, urinary retention, and instrumentation of the urinary tract.
PSA testing has poor specificity and sensitivity, and various methods are used to try and add greater meaning to a PSA level, including age-adjusted upper limits and monitoring change in PSA level with time. It is important to note that digital rectal examination may or may not cause a rise in PSA levels, which is a matter of debate.
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This question is part of the following fields:
- Kidney And Urology
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Question 21
Incorrect
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What is the most suitable approach to prevent variceal bleeding in a 45-year-old man with a history of alcohol abuse who has been diagnosed with grade 3 oesophageal varices during an outpatient endoscopy?
Your Answer:
Correct Answer: Propranolol
Explanation:The prophylaxis of oesophageal bleeding can be achieved using a non-cardioselective B-blocker (NSBB), while endoscopic sclerotherapy is no longer considered effective in preventing variceal haemorrhage.
Variceal haemorrhage is a serious condition that requires prompt and effective management. The initial treatment involves resuscitation of the patient, correction of clotting abnormalities, and administration of vasoactive agents such as terlipressin or octreotide. Prophylactic IV antibiotics are also recommended to reduce mortality in patients with liver cirrhosis. Endoscopic variceal band ligation is the preferred method for controlling bleeding, and the use of a Sengstaken-Blakemore tube or Transjugular Intrahepatic Portosystemic Shunt (TIPSS) may be necessary if bleeding cannot be controlled. However, TIPSS can lead to exacerbation of hepatic encephalopathy, which is a common complication.
To prevent variceal haemorrhage, prophylactic measures such as propranolol and endoscopic variceal band ligation (EVL) are recommended. Propranolol has been shown to reduce rebleeding and mortality compared to placebo. EVL is superior to endoscopic sclerotherapy and should be performed at two-weekly intervals until all varices have been eradicated. Proton pump inhibitor cover is given to prevent EVL-induced ulceration. NICE guidelines recommend offering endoscopic variceal band ligation for the primary prevention of bleeding for people with cirrhosis who have medium to large oesophageal varices.
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This question is part of the following fields:
- Gastroenterology
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Question 22
Incorrect
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A 42-year-old woman underwent a work medical and her 12-lead electrocardiogram (ECG) showed a corrected QT interval (QTc) of 500 milliseconds. She has no symptoms and has a medical history of hypothyroidism, carpal tunnel syndrome, anxiety, and recurrent sinusitis. Which medication from her list is most likely responsible for the abnormal ECG finding?
Your Answer:
Correct Answer: Clarithromycin
Explanation:The use of macrolides, such as erythromycin and clarithromycin, has been associated with QT interval prolongation. Other antimicrobials like fluoroquinolones (e.g. ciprofloxacin) and oral antifungals (e.g. fluconazole, ketoconazole) have also been implicated. Additionally, certain medications used for arrhythmias (e.g. amiodarone), psychiatric disorders (e.g. haloperidol), and depression (e.g. citalopram) can cause QT prolongation. However, doxycycline, propranolol, levothyroxine, and ibuprofen are not known to have this effect.
Macrolides are a class of antibiotics that include erythromycin, clarithromycin, and azithromycin. They work by blocking translocation during bacterial protein synthesis, ultimately inhibiting bacterial growth. While they are generally considered bacteriostatic, their effectiveness can vary depending on the dose and type of organism being treated. Resistance to macrolides can occur through post-transcriptional methylation of the 23S bacterial ribosomal RNA.
However, macrolides can also have adverse effects. They may cause prolongation of the QT interval and gastrointestinal side-effects, such as nausea. Cholestatic jaundice is a potential risk, but using erythromycin stearate may reduce this risk. Additionally, macrolides are known to inhibit the cytochrome P450 isoenzyme CYP3A4, which metabolizes statins. Therefore, it is important to stop taking statins while on a course of macrolides to avoid the risk of myopathy and rhabdomyolysis. Azithromycin is also associated with hearing loss and tinnitus.
Overall, while macrolides can be effective antibiotics, they do come with potential risks and side-effects. It is important to weigh the benefits and risks before starting a course of treatment with these antibiotics.
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This question is part of the following fields:
- Infectious Disease And Travel Health
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Question 23
Incorrect
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A 47-year-old woman with a history of multiple sclerosis visits her GP after her partner noticed a recent change in her eye appearance. Upon examination, the GP observes ptosis on the right side and a small right pupil. Fundoscopy reveals no abnormalities. What is the probable diagnosis?
Your Answer:
Correct Answer: Horner's syndrome
Explanation:Horner’s syndrome is a condition characterized by several features, including a small pupil (miosis), drooping of the upper eyelid (ptosis), a sunken eye (enophthalmos), and loss of sweating on one side of the face (anhidrosis). The cause of Horner’s syndrome can be determined by examining additional symptoms. For example, congenital Horner’s syndrome may be identified by a difference in iris color (heterochromia), while anhidrosis may be present in central or preganglionic lesions. Pharmacologic tests, such as the use of apraclonidine drops, can also be helpful in confirming the diagnosis and identifying the location of the lesion. Central lesions may be caused by conditions such as stroke or multiple sclerosis, while post-ganglionic lesions may be due to factors like carotid artery dissection or cluster headaches. It is important to note that the appearance of enophthalmos in Horner’s syndrome is actually due to a narrow palpebral aperture rather than true enophthalmos.
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This question is part of the following fields:
- Eyes And Vision
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Question 24
Incorrect
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A 45-year-old man comes to his GP complaining of lower back pain and stiffness that has been gradually developing over the past month. He reports using a hot water bottle for some relief, but the pain persists. He denies any loss of bladder or bowel control and his neurological exam is unremarkable.
What would be the best course of action for managing this patient's symptoms?Your Answer:
Correct Answer: Ibuprofen
Explanation:NSAIDS should be the first choice for treating lower back pain. Codeine, which is part of the opioid pain ladder, should not be used for managing nonspecific lower back pain as it can lead to dependence and dose escalation. Additionally, administering codeine via IM is only recommended for patients who cannot tolerate oral medication, which is not applicable in this case. Therefore, oral codeine should not be considered as a primary treatment option for nonspecific lower back pain.
Management of Lower Back Pain: NICE Guidelines
Lower back pain is a common condition that affects many people. In 2016, the National Institute for Health and Care Excellence (NICE) updated their guidelines on the management of lower back pain. These guidelines apply to patients with nonspecific lower back pain, which means it is not caused by malignancy, infection, trauma, or other specific conditions.
According to the updated guidelines, NSAIDs are now recommended as the first-line treatment for back pain. Paracetamol monotherapy is relatively ineffective for back pain, so NSAIDs are a better option. Proton pump inhibitors should be co-prescribed for patients over the age of 45 years who are given NSAIDs.
Lumbar spine x-ray should not be offered as an investigation for nonspecific back pain. MRI should only be offered to patients with nonspecific back pain if the result is likely to change management, or if malignancy, infection, fracture, cauda equina, or ankylosing spondylitis is suspected. MRI is the most useful imaging modality as it can see neurological and soft tissue structures.
Patients with low back pain should be encouraged to self-manage and stay physically active through exercise. A group exercise program within the NHS is recommended for people with back pain. Manual therapy, such as spinal manipulation, mobilization, or soft tissue techniques like massage, can be considered as part of a treatment package that includes exercise and psychological therapy. Radiofrequency denervation and epidural injections of local anesthetic and steroid can also be used for acute and severe sciatica.
In summary, the updated NICE guidelines recommend NSAIDs as the first-line treatment for nonspecific back pain. Patients should be encouraged to self-manage and stay physically active through exercise. MRI is the most useful imaging modality for investigating nonspecific back pain. Other treatments, such as manual therapy, radiofrequency denervation, and epidural injections, can be considered as part of a treatment package that includes exercise and psychological therapy.
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This question is part of the following fields:
- Musculoskeletal Health
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Question 25
Incorrect
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The father of a 2-year-old visits the pediatrician's office to inquire about the latest childhood immunisation schedule in the UK. He expresses apprehension about the 4-in-1 vaccine and its potential to overwhelm his child. Can you provide information on the vaccines included in this shot?
Your Answer:
Correct Answer: Diphtheria, tetanus, pertussis, polio, haemophilus influenza type b and hepatitis B
Explanation:Starting from 2017, the hepatitis B vaccination has been incorporated into the standard immunisation schedule in the UK, which now includes the 6-in-1 vaccine. Previously, the 5-in-1 vaccine comprised diphtheria, tetanus, pertussis, polio and haemophilus influenza type b. The hepatitis B vaccine is now administered alongside these at 8, 12 and 16 weeks after birth.
The UK immunisation schedule recommends certain vaccines at different ages. At birth, the BCG vaccine is given if the baby is at risk of tuberculosis. At 2, 3, and 4 months, the ‘6-1 vaccine’ (diphtheria, tetanus, whooping cough, polio, Hib and hepatitis B) and oral rotavirus vaccine are given, along with Men B and PCV at specific intervals. At 12-13 months, the Hib/Men C, MMR, PCV, and Men B vaccines are given. At 3-4 years, the ‘4-in-1 Preschool booster’ (diphtheria, tetanus, whooping cough and polio) and MMR vaccines are given. At 12-13 years, the HPV vaccination is given, and at 13-18 years, the ‘3-in-1 teenage booster’ (tetanus, diphtheria and polio) and Men ACWY vaccines are given. Additionally, the flu vaccine is recommended annually for children aged 2-8 years.
It is important to note that the meningitis ACWY vaccine has replaced meningitis C for 13-18 year-olds due to an increased incidence of meningitis W disease in recent years. The ACWY vaccine is also offered to new students up to the age of 25 years at university. GP practices will automatically send letters inviting 17-and 18-year-olds in school year 13 to have the Men ACWY vaccine, while students going to university or college for the first time should contact their GP to have the vaccine before the start of the academic year.
The Men C vaccine used to be given at 3 months but has now been discontinued as there are almost no cases of Men C disease in babies or young children in the UK. All children will continue to be offered the Hib/Men C vaccine at one year of age, and the Men ACWY vaccine at 14 years of age to provide protection across all age groups.
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This question is part of the following fields:
- Children And Young People
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Question 26
Incorrect
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A 65-year-old woman presents to the General Practitioner with worsening symptoms over a brief period. She reports experiencing anorexia, thirst, nausea, constipation, and polyuria. The patient has a history of breast cancer and bone metastases. What is the most suitable investigation to determine the cause of her current condition? Choose ONE answer.
Your Answer:
Correct Answer: Calcium
Explanation:Hypercalcaemia in Palliative Care Patients
Hypercalcaemia is a common life-threatening metabolic disorder in cancer patients, particularly in those with myeloma and breast, renal, lung, and thyroid cancers. The severity of symptoms doesn’t always correlate with the degree of hypercalcaemia but often reflects the rapidity of onset. In palliative care patients, hypercalcaemia is a medical emergency that requires immediate attention.
Intravenous fluid replacement and intravenous bisphosphonates are the treatments of choice for hypercalcaemia in patients with a reasonable short-term prognosis who are willing to undergo treatment. It is important to note that hypercalcaemia can result from renal failure, so a urea level test may be useful. However, isolated acute kidney injury doesn’t explain the symptoms and may lead to a missed diagnosis.
A high serum alkaline phosphatase level is usually present in patients with bony metastases, but it would not be the most useful test in isolation. Although anaemia may be present in some patients, it doesn’t fit with the acute clinical symptoms, and a haemoglobin level test would not provide useful diagnostic information.
Thirst and polyuria may suggest diabetes, but the clinical history makes hypercalcaemia a more likely diagnosis. Therefore, it is crucial to consider hypercalcaemia as a potential cause of acute symptoms in palliative care patients.
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This question is part of the following fields:
- End Of Life
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Question 27
Incorrect
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You are a GP working in general practice. Aisha is a 3-year-old girl who is seen on your emergency list with her dad. She has a three-day history of runny nose, dry cough and a low-grade fever. During the examination, you observe a palpable abdominal mass. The rest of her examination is normal.
What would be your next course of action?Your Answer:
Correct Answer: Urgent referral to paediatrics (within 48 hours)
Explanation:Wilms’ Tumour: A Common Childhood Malignancy
Wilms’ tumour, also known as nephroblastoma, is a prevalent type of cancer in children, with a median age of diagnosis at 3 years old. It is often associated with Beckwith-Wiedemann syndrome, hemihypertrophy, and a loss-of-function mutation in the WT1 gene on chromosome 11. The most common presenting feature is an abdominal mass, which is usually painless, but other symptoms such as haematuria, flank pain, anorexia, and fever may also occur. In 95% of cases, the tumour is unilateral, and metastases are found in 20% of patients, most commonly in the lungs.
If a child presents with an unexplained enlarged abdominal mass, it is crucial to arrange a paediatric review within 48 hours to rule out Wilms’ tumour. The management of this cancer typically involves nephrectomy, chemotherapy, and radiotherapy if the disease is advanced. Fortunately, the prognosis for Wilms’ tumour is good, with an 80% cure rate.
Histologically, Wilms’ tumour is characterized by epithelial tubules, areas of necrosis, immature glomerular structures, stroma with spindle cells, and small cell blastomatous tissues resembling the metanephric blastema. Overall, early detection and prompt treatment are essential for a successful outcome in children with Wilms’ tumour.
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This question is part of the following fields:
- Children And Young People
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Question 28
Incorrect
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A 27-year-old receptionist has been absent from work for 4 weeks due to depression caused by multiple miscarriages. She is not ready to return to work and asks her doctor to extend her sick leave. What is the maximum duration that her doctor can sign her off for?
Your Answer:
Correct Answer: 3 months
Explanation:Fit notes are limited to a maximum of 3 months per form during the initial issuance.
The eMed Initiative: Electronic Fit Notes
The eMed initiative is a project by the Department for Work and Pensions (DWP) aimed at replacing handwritten fit notes with electronically printed ones. This new system will be integrated into existing electronic record systems, such as EMIS, and stored alongside the patient’s record. The printed note will be given to the patient, who will use it in the same way as a handwritten note.
It is important to note that the electronic fit note will not be sent electronically to the employer, patient, or DWP. However, the DWP plans to collect anonymous data on sick notes in the future to inform policy development.
Despite the introduction of the eMed initiative, GPs will still be able to issue handwritten notes during home visits. Hospital doctors will also not be switching to the new system. The eMed initiative is a step towards modernizing the healthcare system and improving efficiency in the issuance of fit notes.
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This question is part of the following fields:
- Mental Health
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Question 29
Incorrect
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A 49-year-old woman presents with lethargy and pruritus. She reports having a normal appetite and no weight loss. Upon examination, there is no clinical jaundice or organomegaly. The following blood tests were obtained:
- Hemoglobin: 12.8 g/dL
- Platelets: 188 * 10^9/L
- White blood cells: 6.7 * 10^9/L
- Sodium: 140 mmol/L
- Potassium: 3.9 mmol/L
- Urea: 6.2 mmol/L
- Creatinine: 68 µmol/L
- Bilirubin: 30 µmol/L
- Alkaline phosphatase: 231 U/L
- Alanine transaminase: 38 U/L
- Gamma-glutamyl transferase: 367 U/L
- Albumin: 39 g/L
What additional test is most likely to provide a diagnosis?Your Answer:
Correct Answer: Anti-mitochondrial antibodies
Explanation:Primary biliary cholangitis is a chronic liver disorder that affects middle-aged women. It is thought to be an autoimmune condition that damages interlobular bile ducts, causing progressive cholestasis and potentially leading to cirrhosis. The classic presentation is itching in a middle-aged woman. It is associated with Sjogren’s syndrome, rheumatoid arthritis, systemic sclerosis, and thyroid disease. Diagnosis involves immunology and imaging tests. Management includes ursodeoxycholic acid, cholestyramine for pruritus, and liver transplantation in severe cases. Complications include cirrhosis, osteomalacia and osteoporosis, and an increased risk of hepatocellular carcinoma.
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This question is part of the following fields:
- Gastroenterology
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Question 30
Incorrect
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The school nurse is preparing for a visit from the health inspector tomorrow. She seeks guidance on the appropriate temperature range (in Celsius) for storing vaccines in the fridge. What is the standard temperature range that vaccines should be stored at, unless otherwise stated by the manufacturer?
Your Answer:
Correct Answer: +2C to +8C
Explanation:Vaccinations: Types and Precautions
Vaccinations are an important aspect of preventive healthcare. However, it is crucial to be aware of the different types of vaccines and their potential risks, especially for immunocompromised individuals. Live-attenuated vaccines, such as BCG, MMR, and oral polio, may pose a risk to these patients. In contrast, inactivated preparations, such as rabies and hepatitis A, and toxoid vaccines, such as tetanus and diphtheria, are safer options. Subunit and conjugate vaccines, which use only part of the pathogen or link bacterial polysaccharide outer coats to proteins, respectively, are also available for diseases like pneumococcus, haemophilus, meningococcus, hepatitis B, and human papillomavirus.
It is important to note that different types of influenza vaccines are available, including whole inactivated virus, split virion, and sub-unit. Additionally, the cholera vaccine contains inactivated strains of Vibrio cholerae and the recombinant B-subunit of the cholera toxin. The hepatitis B vaccine is prepared from yeast cells using recombinant DNA technology and contains HBsAg adsorbed onto an aluminum hydroxide adjuvant.
In summary, vaccinations are an essential tool in preventing the spread of infectious diseases. However, it is crucial to understand the different types of vaccines and their potential risks to make informed decisions about vaccination.
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This question is part of the following fields:
- Infectious Disease And Travel Health
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