Multiple Choice Questions (MCQ)

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Category: Prometric--->Family Medicine
Page: 5

Question 21# Print Question

A study is carried out to assess the potential of hip protectors to reduce femoral neck fractures in elderly nursing home patients. The average age of the patients was 82 years. Over a two-year period 800 patients were recruited and assigned randomly either to the hip protector group or standard care group.

The results:

Hip protector group: 400 patients - 10 of whom had a femoral neck fracture over the two year period Control group: 400 patients - 20 of whom had a femoral neck fracture over the two year period.

What is the absolute risk reduction?

A. 0.025
B. 0.05
C. 2
D. 10
E. 0.5

Question 22# Print Question

You are reviewing a new study on the benefit of omega-3 fish oils in patients with established ischaemic heart disease.

What does the power of the study equate to?

A. = 1 / p value
B. = standard deviation / square root of sample size
C. = 1 - probability of making a type II error
D. = 1 - probability of making a type I error
E. = 1 / probability of making a type I error

Question 23# Print Question

Each one of the following is associated with hyperkalaemia, except:

A. Rhabdomyolysis
B. Carbenoxolone
C. Acute renal failure
D. Ciclosporin
E. Addison's

Question 24# Print Question

A 35-year-old woman is admitted to the Emergency Department following a deliberate overdose of 50 paracetamol tablets around 10 hours ago. On admission she complains of abdominal pain and lethargy. Her prothrombin time is elevated and arterial blood gases show that she is developing a metabolic acidosis. An urgent transfer to the tertiary liver transplant unit is arranged.

What is the main pathological process seen in the hepatocytes of such patients with fulminant hepatitis?

A. Apoptosis
B. Fibrosis
C. Ischaemia
D. Senescence
E. Necrosis

Question 25# Print Question

A 72-year-old woman presents with polyuria and polydipsia. Investigations reveal the following:

  • Fasting glucose 4.5 mmol/l
  • Calcium 2.88 mmol/l
  • Phosphate 0.75 mmol/l
  • Parathyroid hormone 6 pmol/L (normal range = 0.8 - 8.5)

What is the most likely underlying diagnosis?

A. Myeloma
B. Sarcoidosis
C. Primary hyperparathyroidism
D. Vitamin D excess
E. Osteomalacia

Category: Prometric--->Family Medicine
Page: 5 of 5