Question 1

Which of the following hormones is released from the hypothalamus?

Accepted Answer

A)  CRH 
B)  TSH 
C)  FSH 
D)  LH 
E)  GH 
A)  CRH 
B)  TSH 
C)  FSH 
D)  LH 
E)  GH

Question 2

Which statement regarding endocrine glands is incorrect?

Accepted Answer

A)  They produce hormones. 
B)  They secrete their products into the blood. 
C)  They are comprised of epithelial tissue. 
D)  They are all controlled by the nervous system. 
E)  They are ductless. 
A)  They produce hormones. 
B)  They secrete their products into the blood. 
C)  They are comprised of epithelial tissue. 
D)  They are all controlled by the nervous system. 
E)  They are ductless.

Question 3

Only hormones that are not bound to plasma proteins are biologically active.

Accepted Answer

A) True 
 B)False

Question 4

The role of MSH in humans is well understood.

Accepted Answer

A) True 
 B)False

Question 5

Permissiveness refers to the conversion of inactive enzymes into active enzymes by hormones, thus permitting the enzymes to perform their function.

Accepted Answer

A) True 
 B)False

Question 6

The hormones influence adjustments that require duration rather than speed, whereas the rapid coordinations of the body are controlled by the nervous system.

Accepted Answer

A) True 
 B)False

Question 7

A portal system exists between the

Accepted Answer

A)  adrenal cortex and adrenal medulla 
B)  hypothalamus and anterior pituitary 
C)  hypothalamus and posterior pituitary 
D)  large intestine and small intestine 
E)  large intestine and stomach 
A)  adrenal cortex and adrenal medulla 
B)  hypothalamus and anterior pituitary 
C)  hypothalamus and posterior pituitary 
D)  large intestine and small intestine 
E)  large intestine and stomach

Question 8

Endocrine disorders resulting in too little hormone activity may stem from all of the following except

Accepted Answer

A)  lack of target cell receptors 
B)  hyposecretion 
C)  reduced plasma protein binding 
D)  increased removal from blood 
E)  genetic mutations 
A)  lack of target cell receptors 
B)  hyposecretion 
C)  reduced plasma protein binding 
D)  increased removal from blood 
E)  genetic mutations

Question 9

TSH controls the amount of testosterone secreted by the testes.

Accepted Answer

A) True 
 B)False

Question 10

The posterior pituitary secretes LH.

Accepted Answer

A) True 
 B)False

Question 11

There are no known growth-related signals that influence growth hormone secretion.

Accepted Answer

A) True 
 B)False

Question 12

The cells of Leydig secrete LH.

Accepted Answer

A) True 
 B)False

Question 13

Growth hormone secretion increases markedly about an hour after the onset of deep sleep.

Accepted Answer

A) True 
 B)False

Question 14

One target cell receptor may bind with more than one type of hormone.

Accepted Answer

A) True 
 B)False

Question 15

Growth hormone directly stimulates bone growth.

Accepted Answer

A) True 
 B)False

Question 16

With down regulation, one hormone induces the loss of another hormone's receptors.

Accepted Answer

A) True 
 B)False

Question 17

Complete each of the following statments.
All of the blood supply to the anterior pituitary gland must first pass through the ____________________ of the brain.

Accepted Answer

The answer of Complete each of the following statments.
All of...

Question 18

The nervous system exerts considerable control over the endocrine system, but hormones have no influence over the nervous system.

Accepted Answer

A) True 
 B)False

Question 19

The somatomedins are insulin-like growth factors.

Accepted Answer

A) True 
 B)False

Question 20

Estrogens, testosterone, cortisol, and aldosterone are all derived from what molecular precursor?

Accepted Answer

A)  tyrosine 
B)  cholesterol 
C)  phospholipid 
D)  thyroglobulin 
E)  epinephrine 
A)  tyrosine 
B)  cholesterol 
C)  phospholipid 
D)  thyroglobulin 
E)  epinephrine

Exam 18: A--Principles of Endocrinology: the Central Endocrine Glands

Which of the following hormones is released from the hypothalamus?

Which statement regarding endocrine glands is incorrect?

Only hormones that are not bound to plasma proteins are biologically active.

The role of MSH in humans is well understood.

Permissiveness refers to the conversion of inactive enzymes into active enzymes by hormones, thus permitting the enzymes to perform their function.

The hormones influence adjustments that require duration rather than speed, whereas the rapid coordinations of the body are controlled by the nervous system.

A portal system exists between the

Endocrine disorders resulting in too little hormone activity may stem from all of the following except

TSH controls the amount of testosterone secreted by the testes.

The posterior pituitary secretes LH.

There are no known growth-related signals that influence growth hormone secretion.

The cells of Leydig secrete LH.

Growth hormone secretion increases markedly about an hour after the onset of deep sleep.

One target cell receptor may bind with more than one type of hormone.

Growth hormone directly stimulates bone growth.

With down regulation, one hormone induces the loss of another hormone's receptors.

Complete each of the following statments. All of the blood supply to the anterior pituitary gland must first pass through the ____________________ of the brain.

The nervous system exerts considerable control over the endocrine system, but hormones have no influence over the nervous system.

The somatomedins are insulin-like growth factors.

Estrogens, testosterone, cortisol, and aldosterone are all derived from what molecular precursor?

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

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