Question 1

Which of the following is NOT a hormone released from the anterior pituitary?

Accepted Answer

A) luteinizing hormone 
B) follicle stimulating hormone 
C) adrenocorticotropic hormone 
D) growth hormone 
E) prolactin inhibiting hormone 
A) luteinizing hormone 
B) follicle stimulating hormone 
C) adrenocorticotropic hormone 
D) growth hormone 
E) prolactin inhibiting hormone E

Question 2

Regulation of insulin release by blood glucose levels is an example of humoral control of hormone secretion.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following is a CORRECT example of short- loop negative feedback?

Accepted Answer

A) TRH stimulates the release of thyroid hormones. 
B) TSH inhibits the release of TRH. 
C) Thyroid hormones inhibit the release of TSH. 
D) TRH inhibits the release of TSH. 
E) Thyroid hormones inhibit the release of TRH. 
A) TRH stimulates the release of thyroid hormones. 
B) TSH inhibits the release of TRH. 
C) Thyroid hormones inhibit the release of TSH. 
D) TRH inhibits the release of TSH. 
E) Thyroid hormones inhibit the release of TRH. B

Question 4

Inhibition of TRH release by the thyroid hormones is an example of

Accepted Answer

A) short loop negative feedback. 
B) positive neuroendocrine reflex. 
C) negative inhibition. 
D) positive feedback. 
E) long loop negative feedback. 
A) short loop negative feedback. 
B) positive neuroendocrine reflex. 
C) negative inhibition. 
D) positive feedback. 
E) long loop negative feedback.

Question 5

Which tropic hormone is responsible for controlling the release of follicle stimulating hormone from the anterior pituitary?

Accepted Answer

A) follicle stimulating releasing hormone 
B) gonadotropin releasing hormone 
C) growth hormone releasing hormone 
D) follicle releasing hormone 
E) corticotropin releasing hormone 
A) follicle stimulating releasing hormone 
B) gonadotropin releasing hormone 
C) growth hormone releasing hormone 
D) follicle releasing hormone 
E) corticotropin releasing hormone

Question 6

What are the two hormones released in females in response to LH?

Accepted Answer

A) GnRH and GHRH 
B) estrogens and progesterones 
C) prolactin and oxytocin 
D) ANP and EPO 
E) androgens and estrogens 
A) GnRH and GHRH 
B) estrogens and progesterones 
C) prolactin and oxytocin 
D) ANP and EPO 
E) androgens and estrogens

Question 7

Abnormal hormone secretions from an endocrine gland due to altered tropic hormone release are called

Accepted Answer

A) primary secretion disorders. 
B) tertiary secretion disorders. 
C) hyposecretions. 
D) secondary secretion disorders. 
E) hypersecretions. 
A) primary secretion disorders. 
B) tertiary secretion disorders. 
C) hyposecretions. 
D) secondary secretion disorders. 
E) hypersecretions.

Question 8

What anterior pituitary hormone is NOT a tropic hormone?

Accepted Answer

A) follicle stimulating hormone 
B) luteinizing hormone 
C) adrenocorticotropic hormone 
D) growth hormone 
E) prolactin 
A) follicle stimulating hormone 
B) luteinizing hormone 
C) adrenocorticotropic hormone 
D) growth hormone 
E) prolactin

Question 9

Secondary endocrine organs include the heart, liver, kidneys, stomach, duodenum, and skin.

Accepted Answer

A) True 
 B)False

Question 10

A person with Cushing's disease is found to have a functioning adenoma in the anterior pituitary causing an increase in ACTH secretion. Which of the following CORRECTLY describes changes in plasma levels of hormones?

Accepted Answer

A) decreased CRH, decreased ACTH, and increased cortisol 
B) decreased CRH, decreased ACTH, and decreased cortisol 
C) increased CRH, increased ACTH, and decreased cortisol 
D) increased CRH, decreased ACTH, and decreased cortisol 
E) decreased CRH, increased ACTH, and increased cortisol 
A) decreased CRH, decreased ACTH, and increased cortisol 
B) decreased CRH, decreased ACTH, and decreased cortisol 
C) increased CRH, increased ACTH, and decreased cortisol 
D) increased CRH, decreased ACTH, and decreased cortisol 
E) decreased CRH, increased ACTH, and increased cortisol

Question 11

The hypothalamus is connected to the posterior pituitary by the hypothalamic- pituitary portal system.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following hormones is NOT secreted by gonads?

Accepted Answer

A) androstenedione 
B) estradiol 
C) oxytocin 
D) progesterone 
E) testosterone 
A) androstenedione 
B) estradiol 
C) oxytocin 
D) progesterone 
E) testosterone

Question 13

Drinking the contents of an apple in the form of apple juice will cause a greater spike in serum glucose, and a subsequently greater insulin release, than by eating the apple in its natural state.

Accepted Answer

A) True 
 B)False

Question 14

Parathyroid hormone regulates blood levels of what ion?

Accepted Answer

A) potassium 
B) chloride 
C) calcium 
D) sodium 
E) T3 
A) potassium 
B) chloride 
C) calcium 
D) sodium 
E) T3

Question 15

Insulin- like growth factors are secreted by the liver and function to promote tissue growth.

Accepted Answer

A) True 
 B)False

Question 16

Discuss the hypothalamic- pituitary feedback regulation of hormone release from the anterior pituitary. Include long and short feedback loops, using thyroid hormone as an example.

Accepted Answer

The hypothalamic- pituitary portal syste

Question 17

An alteration within the anterior pituitary that decreases the secretion of thyroid hormone would be termed a disorder.

Accepted Answer

A) primary secretion 
B) secondary secretion 
C) tertiary secretion 
D) TSH hypersecretion 
E) secreting tumor 
A) primary secretion 
B) secondary secretion 
C) tertiary secretion 
D) TSH hypersecretion 
E) secreting tumor

Question 18

The parathyroid glands secrete calcitonin.

Accepted Answer

A) True 
 B)False

Question 19

What is the name of the stalk that connects the hypothalamus and pituitary gland?

Accepted Answer

A) adenohypophysis 
B) sella turcica 
C) infundibulum 
D) median eminence 
E) neurohypophysis 
A) adenohypophysis 
B) sella turcica 
C) infundibulum 
D) median eminence 
E) neurohypophysis

Question 20

When the response to two hormones is greater than the sum of the individual responses, the response is described as

Accepted Answer

A) agonistic. 
B) antagonized. 
C) synergistic. 
D) permissive. 
E) additive. 
A) agonistic. 
B) antagonized. 
C) synergistic. 
D) permissive. 
E) additive.

Exam 6: The Endocrine System: Endocrine Glands and Hormone Actions

Which of the following is NOT a hormone released from the anterior pituitary?

Regulation of insulin release by blood glucose levels is an example of humoral control of hormone secretion.

Which of the following is a CORRECT example of short- loop negative feedback?

Inhibition of TRH release by the thyroid hormones is an example of

Which tropic hormone is responsible for controlling the release of follicle stimulating hormone from the anterior pituitary?

What are the two hormones released in females in response to LH?

Abnormal hormone secretions from an endocrine gland due to altered tropic hormone release are called

What anterior pituitary hormone is NOT a tropic hormone?

Secondary endocrine organs include the heart, liver, kidneys, stomach, duodenum, and skin.

A person with Cushing's disease is found to have a functioning adenoma in the anterior pituitary causing an increase in ACTH secretion. Which of the following CORRECTLY describes changes in plasma levels of hormones?

The hypothalamus is connected to the posterior pituitary by the hypothalamic- pituitary portal system.

Which of the following hormones is NOT secreted by gonads?

Drinking the contents of an apple in the form of apple juice will cause a greater spike in serum glucose, and a subsequently greater insulin release, than by eating the apple in its natural state.

Parathyroid hormone regulates blood levels of what ion?

Insulin- like growth factors are secreted by the liver and function to promote tissue growth.

Discuss the hypothalamic- pituitary feedback regulation of hormone release from the anterior pituitary. Include long and short feedback loops, using thyroid hormone as an example.

An alteration within the anterior pituitary that decreases the secretion of thyroid hormone would be termed a disorder.

The parathyroid glands secrete calcitonin.

What is the name of the stalk that connects the hypothalamus and pituitary gland?

When the response to two hormones is greater than the sum of the individual responses, the response is described as

Introduction to Physiology

The Cell: Structure and Function

Cell Metabolism

Cell Membrane Transport

Chemical Messengers

Nerve Cells and Electrical Signaling

Synaptic Transmission and Neural Integration

The Nervous System: Central Nervous System

The Nervous System: Sensory Systems

The Nervous System: Autonomic and Motor Systems

Muscle Physiology

The Cardiovascular System: Cardiac Function

The Cardiovascular System: Blood Vessels, Blood Flow, and Blood Pressure

The Cardiovascular System: Blood

The Respiratory System: Pulmonary Ventilation

The Respiratory System: Gas Exchange and the Regulation of Breathing

The Urinary System: Renal Function

The Urinary System: Fluid and Electrolyte Balance

The Gastrointestinal System

The Endocrine System: Regulation of Energy Metabolism and Growth

The Reproductive System

The Immune System

Diabetes Mellitus

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