Endocrine Physiology — Practice

Question 1

Which anterior pituitary hormone is under tonic INHIBITORY hypothalamic control?

Accepted Answer

C

Question 2

Parathyroid hormone has which effect on serum phosphate?

Accepted Answer

B

Question 3

Why is propylthiouracil preferred over methimazole in thyroid storm?

Accepted Answer

B

Question 4

A patient has hyponatraemia with clinically normal volume status, plasma osmolality of 260 mOsm/kg, urine osmolality of 500 mOsm/kg and urine sodium of 60 mmol/L. What is the diagnosis?

Accepted Answer

B

Question 5

Which zone of the adrenal cortex is NOT primarily regulated by ACTH?

Accepted Answer

A

Question 6

A child presents with hypertension, hypokalaemia and complete absence of secondary sexual development. Which enzyme deficiency explains this?

Accepted Answer

C

Question 7

A child with severe short stature has a markedly elevated growth hormone level and a very low IGF-1. What does this indicate?

Accepted Answer

B

Question 8

A patient in the intensive care unit with severe sepsis has a low T3, a low-normal T4, a raised reverse T3 and a normal TSH. What is the correct interpretation?

Accepted Answer

C

Question 9

A patient presents with recurrent hypoglycaemia. Insulin is high, C-peptide is high, and a sulfonylurea screen is negative. What is the most likely cause?

Accepted Answer

B

Practice — Endocrine Physiology

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