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Question 01

Regarding hypothalamic control of pituitary function.

a) All the hypothalamic hormones are synthesized and secreted by neurons.

b) Blood flows from the anterior pituitary to the hypothalamus in the portal vessels.

c) The hypothalamic releasing hormones reach the general circulation in significant amounts.

d) Loss of dopaminergic neurons in the hypothalamus is likely to lead to a fall in the secretion of prolactin.

Question 02

Regarding the functions of the posterior pituitary gland.

a) The posterior pituitary gland secretes growth hormone.

b) The posterior pituitary secretes epinephrine

c) Vasopressin regulates the uptake of water by the cells of the collecting duct

d) Oxytocin stimulates milk production.

Question 03

A ten-year-old child in whom anterior pituitary function is deficient is likely to:

a) Develop acromegaly.

b) Be of short stature but have relatively normal body proportions.

c) To be in constant danger of becoming dehydrated.

d) Have a high basal metabolic rate.

Question 04

Regarding the hormones of the adrenal gland.

a) Epinephrine and norepinephrine are secreted by the adrenal cortex.

b) Excess secretion of catecholamines will lead to hypertension.

c) The heart rate is reduced by circulating epinephrine and norepinephrine.

d) Increased catecholamine secretion stimulates protein breakdown.

Question 05

Regarding the hormones of the adrenal gland.

a) The adrenal gland secretes both peptide and steroid hormones.

b) Aldosterone plays a role in the regulation of plasma calcium.

c) The secretion of cortisol lowers plasma glucose levels.

d) The adrenal cortex will atrophy following removal of the anterior pituitary gland.

Question 06

Regarding the thyroid gland.

a) Thyroid hormones are essential for the early development and maturation of the central nervous system.

b) T3 and T4 stimulate the secretion of TSH by the anterior pituitary.

c) People who have an over-active thyroid gland have a low BMR.

d) Low plasma levels of thyroid hormones leads to thyrotoxicosis.

Question 07

In Cushing's syndrome there is:

a) An increase in blood glucose level.

b) Hypertrophy of the skeletal muscles.

c) A fall in plasma cortisol.

d) A thickening of the skin.

Oxford University Press, Online Resource Centre, Chapter 12.

Chapter 12

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