Question 1

Growth hormone

Accepted Answer

A) is released from the anterior pituitary. 
B) spares plasma glucose during exercise. 
C) increases gluconeogenesis in the liver. 
D) All of the above are true. 
A) is released from the anterior pituitary. 
B) spares plasma glucose during exercise. 
C) increases gluconeogenesis in the liver. 
D) All of the above are true. D

Question 2

Steroid hormones exert their primary effect by

Accepted Answer

A) activating adenylate cyclase. 
B) regulating gene expression. 
C) blocking the effect of cyclic AMP. 
D) causing an inflammation response. 
A) activating adenylate cyclase. 
B) regulating gene expression. 
C) blocking the effect of cyclic AMP. 
D) causing an inflammation response. B

Question 3

During exercise,blood glucose concentration is maintained fairly constant by all of the following factors EXCEPT ONE.

Accepted Answer

A) elevated mobilization of FFA from adipose tissue. 
B) increased rate of gluconeogenesis. 
C) blocking entry of glucose into cells. 
D) elevated concentration of insulin. 
A) elevated mobilization of FFA from adipose tissue. 
B) increased rate of gluconeogenesis. 
C) blocking entry of glucose into cells. 
D) elevated concentration of insulin. D

Question 4

The term describing the cessation of the menstrual cycle resulting from lower estrogen levels in some female athletes is

Accepted Answer

A) dysmenorrhea. 
B) eumenorrhea. 
C) amenorrhea. 
D) menarche. 
A) dysmenorrhea. 
B) eumenorrhea. 
C) amenorrhea. 
D) menarche.

Question 5

The decrease in plasma volume and the increase in the osmolality of the plasma during prolonged exercise results in _________________ in antidiuretic hormone.

Accepted Answer

A) an increase 
B) a decrease 
C) no change 
D) None of the above answers are correct 
A) an increase 
B) a decrease 
C) no change 
D) None of the above answers are correct

Question 6

Insulin secretion would be highest

Accepted Answer

A) during prolonged exercise. 
B) as exercise intensity increases. 
C) after a meal high in carbohydrates. 
D) It would be equally high after all of the above. 
A) during prolonged exercise. 
B) as exercise intensity increases. 
C) after a meal high in carbohydrates. 
D) It would be equally high after all of the above.

Question 7

During a bout of high intensity exercise (i.e. ,10 minutes at 80%VO2 max),the plasma concentration of hormones that stimulate fatty acid mobilization from adipose tissue increase significantly.The plasma-free fatty acid concentration,however,actually decreases.Why does this occur?

Accepted Answer

A) Fatty acid supply is depleted. 
B) Hormones are ineffective in maximal work. 
C) Lactic acid interferes with fatty acid mobilization. 
D) High insulin levels secreted during maximal exercise interfere with fatty acid mobilization. 
A) Fatty acid supply is depleted. 
B) Hormones are ineffective in maximal work. 
C) Lactic acid interferes with fatty acid mobilization. 
D) High insulin levels secreted during maximal exercise interfere with fatty acid mobilization.

Question 8

During exercise,epinephrine and norepinephrine stimulate liver glycogenolysis indirectly by

Accepted Answer

A) increasing glucagon secretion from the pancreas. 
B) increasing insulin secretion from the pancreas. 
C) increasing the uptake of FFA by muscle. 
D) lowering plasma cortisol concentration. 
A) increasing glucagon secretion from the pancreas. 
B) increasing insulin secretion from the pancreas. 
C) increasing the uptake of FFA by muscle. 
D) lowering plasma cortisol concentration.

Question 9

The mobilization of free fatty acids from adipose tissue and glucose from liver glycogen would be stimulated by

Accepted Answer

A) an increase in insulin and an increase in glucagon. 
B) a decrease in insulin and an increase in glucagon. 
C) an increase in insulin and a decrease in glucagon. 
D) a decrease in insulin and a decrease in glucagon. 
A) an increase in insulin and an increase in glucagon. 
B) a decrease in insulin and an increase in glucagon. 
C) an increase in insulin and a decrease in glucagon. 
D) a decrease in insulin and a decrease in glucagon.

Question 10

As a result of training,the sympathetic nervous system's response to a fixed submaximal work rate

Accepted Answer

A) is increased. 
B) is decreased. 
C) remains the same. 
D) None of the above answers are correct 
A) is increased. 
B) is decreased. 
C) remains the same. 
D) None of the above answers are correct

Question 11

Given the importance of maintaining plasma glucose levels constant during exercise,insulin secretion would be expected to ______________ during exercise.

Accepted Answer

A) increase 
B) decrease 
C) remain the same 
D) decrease initially,followed by a rapid increase 
A) increase 
B) decrease 
C) remain the same 
D) decrease initially,followed by a rapid increase

Question 12

Growth hormone secretion increases during exercise and decreases during sleep.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) catecholamines 
B) glucocorticoids 
C) somatomedins 
D) endorphins 
A) catecholamines 
B) glucocorticoids 
C) somatomedins 
D) endorphins

Question 14

While hormones circulate to all tissues,some affect only a few tissues.This is due to the

Accepted Answer

A) plasma concentration of the hormone. 
B) training state of the subject. 
C) type of receptor at the tissue. 
D) concentration of the hormone. 
A) plasma concentration of the hormone. 
B) training state of the subject. 
C) type of receptor at the tissue. 
D) concentration of the hormone.

Question 15

Which of the following hormones is part of the General Adaptive Syndrome and is called the "stress" hormone?

Accepted Answer

A) epinephrine 
B) renin 
C) cortisol 
D) insulin 
A) epinephrine 
B) renin 
C) cortisol 
D) insulin

Question 16

A hormone that is released from the pancreas at a higher rate during exercise to mobilize liver glucose and adipose tissue fatty acids is

Accepted Answer

A) glucagon. 
B) somatostatin. 
C) insulin. 
D) none of the above. 
A) glucagon. 
B) somatostatin. 
C) insulin. 
D) none of the above.

Question 17

During exercise of about 40% VO2 max,the concentration of plasma cortisol

Accepted Answer

A) is lower than at rest. 
B) is higher than at rest. 
C) remains the same as at rest. 
D) None of the above answers are correct 
A) is lower than at rest. 
B) is higher than at rest. 
C) remains the same as at rest. 
D) None of the above answers are correct

Question 18

Hormones are defined as

Accepted Answer

A) chemical messengers located inside of muscle cells. 
B) chemical messengers located within the central nervous system. 
C) chemical messengers released into the blood 
D) None of the above answers are correct 
A) chemical messengers located inside of muscle cells. 
B) chemical messengers located within the central nervous system. 
C) chemical messengers released into the blood 
D) None of the above answers are correct

Question 19

Plasma concentrations of growth hormone are elevated following bouts of short-duration,high intensity exercise.The primary effect of an increase in plasma concentrations of growth hormone is to

Accepted Answer

A) promote the increase in protein synthesis. 
B) promote long bone growth. 
C) increase the mobilization of FFA and reduce tissue use of blood glucose. 
D) none of the above answers are correct. 
A) promote the increase in protein synthesis. 
B) promote long bone growth. 
C) increase the mobilization of FFA and reduce tissue use of blood glucose. 
D) none of the above answers are correct.

Question 20

Which of the following hormones is secreted by the thyroid gland and plays a role in the regulation of plasma calcium levels?

Accepted Answer

A) thyroxine 
B) triiodothyronine 
C) calcitonin 
D) parathyroid hormone 
A) thyroxine 
B) triiodothyronine 
C) calcitonin 
D) parathyroid hormone

Exam 6: Cell Signaling and Hormonal Response to Exercise

Growth hormone

Steroid hormones exert their primary effect by

During exercise,blood glucose concentration is maintained fairly constant by all of the following factors EXCEPT ONE.

The term describing the cessation of the menstrual cycle resulting from lower estrogen levels in some female athletes is

The decrease in plasma volume and the increase in the osmolality of the plasma during prolonged exercise results in _________________ in antidiuretic hormone.

Insulin secretion would be highest

During a bout of high intensity exercise (i.e. ,10 minutes at 80%VO2 max),the plasma concentration of hormones that stimulate fatty acid mobilization from adipose tissue increase significantly.The plasma-free fatty acid concentration,however,actually decreases.Why does this occur?

During exercise,epinephrine and norepinephrine stimulate liver glycogenolysis indirectly by

The mobilization of free fatty acids from adipose tissue and glucose from liver glycogen would be stimulated by

As a result of training,the sympathetic nervous system's response to a fixed submaximal work rate

Given the importance of maintaining plasma glucose levels constant during exercise,insulin secretion would be expected to ______________ during exercise.

Growth hormone secretion increases during exercise and decreases during sleep.

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

While hormones circulate to all tissues,some affect only a few tissues.This is due to the

Which of the following hormones is part of the General Adaptive Syndrome and is called the "stress" hormone?

A hormone that is released from the pancreas at a higher rate during exercise to mobilize liver glucose and adipose tissue fatty acids is

During exercise of about 40% VO2 max,the concentration of plasma cortisol

Hormones are defined as

Plasma concentrations of growth hormone are elevated following bouts of short-duration,high intensity exercise.The primary effect of an increase in plasma concentrations of growth hormone is to

Which of the following hormones is secreted by the thyroid gland and plays a role in the regulation of plasma calcium levels?

Introduction to Exercise Physiology

A: Common Measurements in Exercise Physiology

B: Common Measurements in Exercise Physiology

Control of the Internal Environment

Bioenergetics

Exercise Metabolism

Exercise and the Immune System

The Nervous System: Structure and Control of Movement

Skeletal Muscle: Structure and Function

Circulatory Responses to Exercise

Respiration During Exercise

Acid-Base Balance

Temperature Regulation

Physiology of Training: Effect on Vo2 Max, Performance, and Strength

Preventing Chronic Disease: Physical Activity and Healthy Eating

Work Tests to Evaluate Cardiorespiratory Fitness

Exercise Prescriptions for Health and Fitness

Exercise Prescriptions for Health and Fitness

Nutrition and Body Composition for Health

Factors Affecting Performance

Laboratory Assessment of Human Performance

Training for Performance

Training for the Female Athlete, Children, Special Populations, and the Masters Athlete

Nutrition, Body Composition, and Performance

Exercise and the Environment

Ergogenic Aids

Filters

During a bout of high intensity exercise (i.e. ,10 minutes at 80%VO₂ max),the plasma concentration of hormones that stimulate fatty acid mobilization from adipose tissue increase significantly.The plasma-free fatty acid concentration,however,actually decreases.Why does this occur?

During exercise of about 40% VO₂ max,the concentration of plasma cortisol