Question 1

Which pancreatic cell type secretes somatostatin?

Accepted Answer

A) gamma cells 
B) F cells 
C) beta cells 
D) delta cells 
E) alpha cells 
A) gamma cells 
B) F cells 
C) beta cells 
D) delta cells 
E) alpha cells

Question 2

A 10- year- old with precocious puberty is found to have a space- occupying tumor in the arcuate nucleus of the hypothalamus, leading to excessive prolactin release. Which of the following correctly describes changes in plasma levels of hormones?

Accepted Answer

A) increased PRH, decreased PIH, and decreased prolactin 
B) increased PRH, increased PIH, and increased prolactin 
C) decreased PRH, decreased PIH, and increased prolactin 
D) decreased PRH, decreased PIH, and decreased prolactin 
E) decreased PRH, increased PIH, and increased prolactin 
A) increased PRH, decreased PIH, and decreased prolactin 
B) increased PRH, increased PIH, and increased prolactin 
C) decreased PRH, decreased PIH, and increased prolactin 
D) decreased PRH, decreased PIH, and decreased prolactin 
E) decreased PRH, increased PIH, and increased prolactin

Question 3

All of the following hormones are produced in the adrenal cortex EXCEPT

Accepted Answer

A) cortisol. 
B) aldosterone. 
C) androgens. 
D) epinephrine. 
E) both male and female sex hormone precursors. 
A) cortisol. 
B) aldosterone. 
C) androgens. 
D) epinephrine. 
E) both male and female sex hormone precursors.

Question 4

What cells secrete epinephrine from the adrenal gland?

Accepted Answer

A) chromaffin cells 
B) B cells 
C) A cells 
D) D cells 
E) zona reticularis cells 
A) chromaffin cells 
B) B cells 
C) A cells 
D) D cells 
E) zona reticularis cells

Question 5

What layer of the adrenal cortex secretes androgens?

Accepted Answer

A) zona reticularis only 
B) zona fasciculata only 
C) zona glomerulosa only 
D) both zonae reticularis and fasciculata 
E) both zonae reticularis and glomerulosa 
A) zona reticularis only 
B) zona fasciculata only 
C) zona glomerulosa only 
D) both zonae reticularis and fasciculata 
E) both zonae reticularis and glomerulosa

Question 6

The hormones somatostatin, insulin, and glucagon are all produced by what mixed endocrine/exocrine gland?

Accepted Answer

A) pancreas 
B) posterior pituitary 
C) adrenal cortex 
D) thyroid gland 
E) adrenal medulla 
A) pancreas 
B) posterior pituitary 
C) adrenal cortex 
D) thyroid gland 
E) adrenal medulla

Question 7

Discuss the structure and function of the pituitary gland, with special emphasis on the hormones released from the posterior pituitary.

Accepted Answer

a capillary bed that has already passed

Question 8

Which of the following hormones is NOT secreted by the endocrine region of the pancreas?

Accepted Answer

A) insulin 
B) cholecystokinin 
C) glucagon 
D) pancreatic polypeptide 
E) somatostatin 
A) insulin 
B) cholecystokinin 
C) glucagon 
D) pancreatic polypeptide 
E) somatostatin

Question 9

A secondary endocrine organ is one that

Accepted Answer

A) receives communication from at least two hormones. 
B) is the target of tropic hormones. 
C) secretes hormones, but is better known for another function. 
D) secretes at least two hormones. 
E) secretes tropic hormones. 
A) receives communication from at least two hormones. 
B) is the target of tropic hormones. 
C) secretes hormones, but is better known for another function. 
D) secretes at least two hormones. 
E) secretes tropic hormones.

Question 10

The secretion of hormones from the anterior pituitary is controlled by hypothalamic tropic hormones.

Accepted Answer

A) True 
 B)False

Question 11

Lipophilic hormones may be temporarily stored in adipose tissue, thereby affecting free levels of the hormone in the blood.

Accepted Answer

A) True 
 B)False

Question 12

What is triiodothyronine?

Accepted Answer

A) a thyroid hormone, also known as T3, secreted from the thyroid gland 
B) the hormone secreted from the thymus 
C) the hormone secreted from the pineal gland 
D) a catecholamine released from the adrenal medulla 
E) a catecholamine released from the adrenal cortex 
A) a thyroid hormone, also known as T3, secreted from the thyroid gland 
B) the hormone secreted from the thymus 
C) the hormone secreted from the pineal gland 
D) a catecholamine released from the adrenal medulla 
E) a catecholamine released from the adrenal cortex

Question 13

The thyroid gland secretes what hormone(s)?

Accepted Answer

A) thyroid hormones only 
B) thymosin only 
C) calcitonin only 
D) both thyroid hormones and thymosin 
E) both thyroid hormones and calcitonin 
A) thyroid hormones only 
B) thymosin only 
C) calcitonin only 
D) both thyroid hormones and thymosin 
E) both thyroid hormones and calcitonin

Question 14

Describe the structure of the adrenal glands and the hormones that originate from within those structures.

Accepted Answer

Each adrenal gland consists of a cortex

Question 15

What is the name of the enzyme that breaks down insulin, found in target and kidney cells?

Accepted Answer

A) enterokinase 
B) insulin- degrading enzyme 
C) insulin- tryptic factor 
D) insulin peptidase 
E) proteasomal peptidase 
A) enterokinase 
B) insulin- degrading enzyme 
C) insulin- tryptic factor 
D) insulin peptidase 
E) proteasomal peptidase

Question 16

In a short negative feedback loop, a tropic hormone from the anterior pituitary inhibits the release of its own releasing hormone from the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 17

The effect a hormone will have on the target tissue is, in part, dependent upon the concentration of free hormone in the blood. How are the levels of free hormone within the blood regulated?

Accepted Answer

The first factor that will affect free h

Question 18

Oxytocin is produced by neurons of the supraoptic nucleus in the hypothalamus, but is released into the bloodstream where?

Accepted Answer

A) hypothalamic- pituitary portal system 
B) neurohypophysis 
C) anterior pituitary 
D) uterus and breast tissue 
E) capillary beds of the median eminence 
A) hypothalamic- pituitary portal system 
B) neurohypophysis 
C) anterior pituitary 
D) uterus and breast tissue 
E) capillary beds of the median eminence

Question 19

Growth hormone functions as both a tropic hormone and as a hormone that acts on target cells throughout the body.

Accepted Answer

A) True 
 B)False

Question 20

What hormone is secreted by the heart?

Accepted Answer

A) erythropoietin 
B) atrial natriuretic peptide 
C) epinephrine 
D) thymosin 
E) somatostatin 
A) erythropoietin 
B) atrial natriuretic peptide 
C) epinephrine 
D) thymosin 
E) somatostatin

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

Which pancreatic cell type secretes somatostatin?

A 10- year- old with precocious puberty is found to have a space- occupying tumor in the arcuate nucleus of the hypothalamus, leading to excessive prolactin release. Which of the following correctly describes changes in plasma levels of hormones?

All of the following hormones are produced in the adrenal cortex EXCEPT

What cells secrete epinephrine from the adrenal gland?

What layer of the adrenal cortex secretes androgens?

The hormones somatostatin, insulin, and glucagon are all produced by what mixed endocrine/exocrine gland?

Discuss the structure and function of the pituitary gland, with special emphasis on the hormones released from the posterior pituitary.

Which of the following hormones is NOT secreted by the endocrine region of the pancreas?

A secondary endocrine organ is one that

The secretion of hormones from the anterior pituitary is controlled by hypothalamic tropic hormones.

Lipophilic hormones may be temporarily stored in adipose tissue, thereby affecting free levels of the hormone in the blood.

What is triiodothyronine?

The thyroid gland secretes what hormone(s)?

Describe the structure of the adrenal glands and the hormones that originate from within those structures.

What is the name of the enzyme that breaks down insulin, found in target and kidney cells?

In a short negative feedback loop, a tropic hormone from the anterior pituitary inhibits the release of its own releasing hormone from the hypothalamus.

The effect a hormone will have on the target tissue is, in part, dependent upon the concentration of free hormone in the blood. How are the levels of free hormone within the blood regulated?

Oxytocin is produced by neurons of the supraoptic nucleus in the hypothalamus, but is released into the bloodstream where?

Growth hormone functions as both a tropic hormone and as a hormone that acts on target cells throughout the body.

What hormone is secreted by the heart?

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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