Module 1 Quiz

Question 1

Which ONE of the following hormones is most likely to activate the cAMP second-messenger pathway?

a) epinephrine
b) cortisol
c) thyroid hormone
d) estrogen

Answer 1

a) epinephrine

Question 2

Which of the following is a hormone released from the posterior pituitary gland?

a) Growth hormone
b) Luteinizing hormone
c) Prolactin
d) Vasopressin

Answer 2

d) Vasopressin

Question 3

Which ONE of the following hormones is involved in breast development and milk production?

a) Oxytocin
b) Luteinizing hormone
c) Follicular stimulating hormone
d) Prolactin

Answer 3

d) Prolactin

Question 4

In the response to stress chain of command, corticoptropin releasing hormone is released from the:

a) Anterior pituitary
b) Hypothalamus
c) Posterior pituitary
d) Adrenal gland

Answer 4

b) Hypothalamus

Question 5

Which of the following steps/terms in thyroid hormone synthesis best describes how iodide is activated for the formation of thyroid hormones?

a) Iodide trapping
b) Thyroglobulin
c) Iodide organification
c) Coupling

Answer 5

c) Iodide organification

Question 6

With respect to hormone levels, which of the following would you expect to see due to an inadequate dietary supply of iodine?

a) Low thyroid hormone and elevated TSH
b) Low thyroid hormones and low TSH
c) Elevated thyroid hormones and elevated TSH
d) Elevated thyroid hormones and low TSH

Answer 6

a) Low thyroid hormone and elevated TSH

Question 7

Primary adrenocortical insufficiency (Addison’s Disease) is characterized by hyperkalemia and hyponatremia. Which of the following symptoms would you expect to observe?

a) Hypertension
b) Excessive cortisol
c) High blood sugar
d) Hyperpigmentation of the skin

Answer 7

d) Hyperpigmentation of the skin

Question 8

Which following energy molecules is formed by glycolysis and can be converted to glucose in the liver?

a) Glycogen
b) Glycerol
c) Lactic acid
d) Ketone bodies

Answer 8

c) Lactic acid

Question 9

Which of the following cell types are best associated with the dissolving of bone

a) Chondrocytes
b) Astrocytes
c) Osteoblasts
d) Osteoclasts

Answer 9

d) Osteoclasts

Question 10

With respect to calcium, the role of vitamin D is to:

a) Decrease plasma calcium levels
b) Decrease plasma phosphate levels
c) Increase intestinal absorption of calcium
d) Enhance renal secretion of calcium

Answer 10

c) Increase intestinal absorption of calcium