Question:

Answer: Second messenger

Question: Which of the following hormonal combinations are considered to be counter-regulatory?

insulin and glucagon

ACTH and cortisol

All of these are counter-regulatory hormone combinations

epinephrine and norepinephrine

Answer: insulin and glucagon

Question: Which of the following hormones is part of the General Adaptive Syndrome and is called the “stress” hormone?

insulin

cortisol

epinephrine

renin

Answer: cortisol

Question: Which of the following hormonal concentrations decreases during exercise, whereas the concentrations of the other hormones will increase during exercise?

epinephrine

insulin

growth hormone

cortisol

Answer: insulin

Question: Muscle glycogen breakdown is under dual control by both:

None of these answers is correct.

thyroid hormone and calmodulin.

catecholamines and thyroid hormone.

catecholamines (e.g., epinephrine) and Ca++/calmodulin.

Answer: catecholamines (e.g., epinephrine) and Ca++/calmodulin.

Question: If the thyroid gland does not produce a sufficient amount of T3 or T4, the resting metabolic rate will:

increase.

remain the same.

decrease.

None of these answers is correct.

Answer: decrease.

Question: Insulin secretion would be highest:

during prolonged exercise.

it would be equally high after all of these.

as exercise intensity increases.

after a meal high in carbohydrates.

Answer: after a meal high in carbohydrates.

Question: Which of the following hormones are secreted by the adrenal medulla?

cortisol

angiotensin II

aldosterone

epinephrine

Answer: epinephrine

Question: During exercise, epinephrine and norepinephrine stimulate liver glycogenolysis indirectly by:

increasing the uptake of FFA by muscle.

increasing glucagon secretion from the pancreas.

lowering plasma cortisol concentration.

increasing insulin secretion from the pancreas.

Answer: increasing glucagon secretion from the pancreas.

Question: Which of the following hormones may be related to changes in mood and pain perception during or immediately following endurance exercise?

endorphins

glucocorticoids

somatomedins

catecholamines

Answer: endorphins