BPS Course 10 MCQ Marathon

Question 1

What is the most common organism responsible for infective endocarditis?

Answer 1

STAU

Especially if IVDU

Question 2

An atheroscerotic plaque caused coronary artery occlusion. Which is considered to be the earliest stage in the development of a plaque?

Answer 2

Endothelial dysfunction.

Question 3

A 67 year-old-man with marked hypercalcaemia is found to have a lung tumour. Which neoplasm is he most likely to have?

Answer 3

Squamous cell carcinoma.

Question 4

What is the likely cause of abdominal aortic aneurysm in a patient with Marfans syndrome?

Answer 4

Abnormal fibrillin scaffolding.

Question 5

What is the name of the pigment seen histologically in the spleen of a patient with malaria?

Answer 5

Haemozoin.

Malarial pigment

Question 6

The T cell receptor of cytotoxic T-lymphocytes recognises antigens bound to which molecule?

Answer 6

MHC class I

Question 7

After a mild stroke in a 78-year-old woman which cell is mainly responsible for tissue repair in her brain?

Answer 7

Glial cells

Question 8

What error do you have when your null hypothesis is true but the test you performed rejects it?

Answer 8

Type 1 error

False positive i.e. telling a male he is pregnant.

Question 9

Which of the following proteins is found to increase longevity and increases in intermittent fasting?

Answer 9

Sirtuin.

Question 10

31-year-old male presents to endocrinologist for yearly follow-up after a thyroid tumour diagnosis 10 years ago. He has been feeling easily fatigued, drowsy, thirsty, and experiences palpitations. Hx of renal calculi.
Examination reveals thin man with facial flushing and hand tremor. Vitals: HR 105, BP 150 / 90, RR 18, Sats 95%, temp 37.2.
Lab results: elevated calcium, decreased phosphate, normal thyroid function.
What is the most likely syndrome?

Answer 10

MEN 1