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  • Question 1 - A 10-month-old boy is brought to clinic. His parents are concerned because two...

    Incorrect

    • A 10-month-old boy is brought to clinic. His parents are concerned because two days ago, he met another child with mumps. Which is the most appropriate strategy for this child?

      Your Answer: He should receive MMR plus mumps immunoglobulin now

      Correct Answer: Do nothing now but give MMR at the appropriate age

      Explanation:

      Immunity against mumps develops over a long time. There is nothing to be done except to proceed with the usual vaccination schedule.

    • This question is part of the following fields:

      • Infectious Diseases
      29.7
      Seconds
  • Question 2 - A 43 year old female presented with a 5 day history of a...

    Incorrect

    • A 43 year old female presented with a 5 day history of a productive cough with rusty coloured sputum. Chest X-ray showed lobar consolidation on her left side. The most likely causative organism would be?

      Your Answer: Legionella pneumophila

      Correct Answer: Streptococcus pneumoniae

      Explanation:

      Streptococcus pneumonia is the chief causative organism for lobar pneumonia in this age group patients. Typically patients present with rusty coloured sputum and a cough. Pneumocystis jiroveci is responsible for causing pneumocystis pneumonia among immunocompromised patients.

    • This question is part of the following fields:

      • Infectious Diseases
      15.8
      Seconds
  • Question 3 - A phrenic nerve palsy is caused by which of the following? ...

    Correct

    • A phrenic nerve palsy is caused by which of the following?

      Your Answer: Aortic aneurysm

      Explanation:

      Phrenic nerve palsy causing hemidiaphragm paralysis is a very uncommon feature of thoracic aortic aneurysm.

      Thoracic aortic aneurysms are usually asymptomatic however chest pain is most commonly reported symptom. Left hemidiaphragm paralysis, because of left phrenic nerve palsy, is a very rare presentation of thoracic aortic aneurysm.
      Thoracic aortic aneurysm may present atypical symptoms such as dysphagia due to compression of the oesophagus; hoarseness due to vocal cord paralysis or compression of the recurrent laryngeal nerve; superior vena cava syndrome due to compression of the superior vena cava; cough, dyspnoea or both due to tracheal compression; haemoptysis due to rupture of the aneurysm into a bronchus; and shock due to rupture of the aneurysm.
      Common causes of phrenic nerve palsy include malignancy such as bronchogenic carcinoma, as well as mediastinal and neck tumours. Phrenic nerve palsy can also occur due to a penetrating injury or due to iatrogenic causes arising, for example, during cardiac surgery and central venous catheterization. Many cases or phrenic nerve palsy are idiopathic.

    • This question is part of the following fields:

      • Respiratory
      5.9
      Seconds
  • Question 4 - You are reviewing a 70-year-old gentleman who has been suffering from multiple myeloma...

    Incorrect

    • You are reviewing a 70-year-old gentleman who has been suffering from multiple myeloma for the past 3 years. He presents with lethargy, muscle aches and pain in his lower back.   Arterial blood sampling reveals a metabolic acidosis. Serum potassium is 3.1 mmol/l (3.5–4.9), and urine pH is 5.1 (> 5.3).   What is the most likely diagnosis?

      Your Answer: Renal tubular acidosis-type III

      Correct Answer: Renal tubular acidosis-type II

      Explanation:

      This case is most likely RTA type II, due to decreased proximal bicarbonate reabsorption, which leads to metabolic acidosis, hypokalaemia, hyperchloremia, and <6 urine pH .

    • This question is part of the following fields:

      • Nephrology
      26.7
      Seconds
  • Question 5 - A 30-year-old lawyer presents with non-specific symptoms of tiredness. Blood tests reveal normal...

    Correct

    • A 30-year-old lawyer presents with non-specific symptoms of tiredness. Blood tests reveal normal thyroid function, cortisol, growth hormone and gonadotrophins. Pituitary MRI reveals a 0.8cm microadenoma. Which of the following represents the most appropriate course of action?

      Your Answer: Observation and reassurance

      Explanation:

      The patient has a non-functioning pituitary tumour as her hormone profile is normal.
      Non-functioning pituitary tumours are relatively common. A large number of these tumours are incidentally found pituitary microadenomas (<1 cm) and are usually of no clinical importance.

    • This question is part of the following fields:

      • Endocrinology
      39.4
      Seconds
  • Question 6 - All of the following statements regarding glucagon-like peptide-1 (GLP-1) are true, except? ...

    Correct

    • All of the following statements regarding glucagon-like peptide-1 (GLP-1) are true, except?

      Your Answer: Increased levels are seen in type 2 diabetes mellitus

      Explanation:

      Glucagon-like peptide 1 (GLP-1) is a 30-amino acid peptide hormone produced in the intestinal epithelial endocrine L-cells by differential processing of proglucagon. GLP-1 is released in response to meal intake.
      The main actions of GLP-1 are to stimulate insulin secretion (i.e., to act as an incretin hormone) and to inhibit glucagon secretion, thereby contributing to limit postprandial glucose excursions. It also inhibits gastrointestinal motility and secretion and thus acts as an enterogastrone and part of the ileal brake mechanism. GLP-1 also appears to be a physiological regulator of appetite and food intake.
      Decreased secretion of GLP-1 may contribute to the development of obesity, and exaggerated secretion may be responsible for postprandial reactive hypoglycaemia.

    • This question is part of the following fields:

      • Endocrinology
      7.8
      Seconds
  • Question 7 - A 27 year old woman presents with diarrhoea. She has had a previous...

    Incorrect

    • A 27 year old woman presents with diarrhoea. She has had a previous ileal resection for Crohn's Disease. Her inflammatory markers are normal. What is the most likely cause of her diarrhoea?

      Your Answer: Flare of Crohn's disease

      Correct Answer: Bile Acid Malabsorption

      Explanation:

      The question describes a patient who has had an ileal resection. Bile acids are reabsorbed in the distal ileum. Since this has been resected in this patient, one would expect her to have malabsorption of bile acids, causing her diarrhoea. This is a more likely correct answer than a Crohn’s flare, bacterial overgrowth, gastroenteritis, or tropical sprue, given the details included in the question prompt.

    • This question is part of the following fields:

      • Gastroenterology
      5.5
      Seconds
  • Question 8 - A 43-year-old woman is concerned about osteoporosis as she as a strong family...

    Correct

    • A 43-year-old woman is concerned about osteoporosis as she as a strong family history of it. She is one year postmenopausal and aware of hot flushes at night. Which one of the following therapies would be most appropriate?

      Your Answer: Cyclical oestrogen and progestogen

      Explanation:

      As the patient has early menopause, hormone replacement therapy (HT) is considered to be the first line of choice for prevention of bone loss and fracture in the early postmenopausal period for 5 years.

    • This question is part of the following fields:

      • Endocrinology
      8.8
      Seconds
  • Question 9 - A 63-year-old woman visits the diabetes clinic for review. She has had type-2...

    Incorrect

    • A 63-year-old woman visits the diabetes clinic for review. She has had type-2 diabetes for 9 years and is now on insulin therapy. She has diabetic nephropathy, as exemplified by hypertension and proteinuria (urinary PCR 155); a recent creatinine level was 205 μmol/l and eGFR 24 ml/min.   Which of the following options best fits her prognosis or management?

      Your Answer: Tight blood pressure control is unlikely to affect prognosis

      Correct Answer: Treatment with ARB or ACE-I may slow further deterioration in renal function

      Explanation:

      Treatment with ARB or ACE-I may slow further deterioration in renal function in this patient, as studies have shown that blocking of the RAS in type 2 diabetic patients improve renal function.

    • This question is part of the following fields:

      • Nephrology
      18.7
      Seconds
  • Question 10 - A 75 year old man was admitted to the hospital with worsening dyspnoea....

    Correct

    • A 75 year old man was admitted to the hospital with worsening dyspnoea. He was given a five day course of Amoxicillin. On examination, his blood pressure was 89/59 mmHg with a respiratory rate of 35/min. A chest x-ray revealed left lower lobe consolidation. Past medical history: Type 2 diabetes mellitus Arterial blood gas on air: pH 7.34 pCO2 5.4 kPa pO2 9.0 kPa Which antibiotic therapy is the most suitable?

      Your Answer: Intravenous co-amoxiclav + clarithromycin

      Explanation:

      CURB Pneumonia Severity Score:
      – Confusion (abbreviated Mental Test Score <=8) (1 point)
      – Urea (BUN > 19 mg/dL or 7 mmol/L) (1 point)
      – Respiratory Rate > 30 per minute (1 point)
      – Blood Pressure: diastolic < 60 or systolic < 90 mmHg (1 point) Based on the CURB Pneumonia Severity Score, the patient has severe pneumonia. According to the 2009 Centres for Medicare and Medicaid Services (CMS) and Joint Commission consensus guidelines, inpatient treatment of pneumonia should be given within four hours of hospital admission (or in the emergency department if this is where the patient initially presented) and should consist of the following antibiotic regimens, which are also in accordance with IDSA/ATS guidelines. For non-intensive care unit (ICU) patients:
      Beta-lactam (intravenous [IV] or intramuscular [IM] administration) plus macrolide (IV or oral [PO])
      Beta-lactam (IV or IM) plus doxycycline (IV or PO)
      Antipneumococcal quinolone monotherapy (IV or IM)

      If the patient is younger than 65 years with no risk factors for drug-resistant organisms, administer macrolide monotherapy (IV or PO)

      For ICU patients:
      IV beta-lactam plus IV macrolide
      IV beta-lactam plus IV antipneumococcal quinolone

      If the patient has a documented beta-lactam allergy, administer IV antipneumococcal quinolone plus IV aztreonam.

      The most suitable antibiotic therapy for this patient is therefore Intravenous co-amoxiclav + clarithromycin.

    • This question is part of the following fields:

      • Respiratory
      9.1
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Infectious Diseases (0/2) 0%
Respiratory (2/2) 100%
Nephrology (0/2) 0%
Endocrinology (3/3) 100%
Gastroenterology (0/1) 0%
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