Question 1

A tropic hormone prevents endocrine glands from releasing their hormones, thereby maintaining homeostasis.

Accepted Answer

A) True 
 B)False

Question 2

Type 2 diabetes mellitus results from

Accepted Answer

A)  a deficiency of insulin. 
B)  insensitivity of cells to insulin. 
C)  a deficiency of insulin and insensitivity of cells to insulin. 
D)  an infection. 
A)  a deficiency of insulin. 
B)  insensitivity of cells to insulin. 
C)  a deficiency of insulin and insensitivity of cells to insulin. 
D)  an infection.

Question 3

Hormones from the adrenal medulla increase

Accepted Answer

A)  blood pressure. 
B)  heart rate. 
C)  breathing rate. 
D)  all of the above. 
A)  blood pressure. 
B)  heart rate. 
C)  breathing rate. 
D)  all of the above.

Question 4

Nonsteroid hormones include peptides, proteins, glycoproteins, and amines.

Accepted Answer

A) True 
 B)False

Question 5

The pancreas functions as part of the endocrine system and as a part of the ______ system.

Accepted Answer

The answer of The pancreas functions as part of the...

Question 6

The nervous system releases neurotransmitters into synapses. In contrast, the endocrine system releases _______ into the bloodstream.

Accepted Answer

The answer of The nervous system releases neurotransmitters into synapses....

Question 7

Jerry drinks a few beers and soon has to urinate. The alcohol has

Accepted Answer

A)  inhibited secretion of ADH. 
B)  stimulated secretion of ADH. 
C)  inhibited secretion of ACTH. 
D)  stimulated secretion of ACTH. 
A)  inhibited secretion of ADH. 
B)  stimulated secretion of ADH. 
C)  inhibited secretion of ACTH. 
D)  stimulated secretion of ACTH.

Question 8

Nerve fibers in the posterior lobe of the pituitary gland secrete

Accepted Answer

A)  thyroid-stimulating hormone. 
B)  adrenocorticotropic hormone. 
C)  growth hormone. 
D)  antidiuretic hormone. 
A)  thyroid-stimulating hormone. 
B)  adrenocorticotropic hormone. 
C)  growth hormone. 
D)  antidiuretic hormone.

Question 9

__________ controls hormone concentrations.

Accepted Answer

A)  Positive feedback 
B)  Negative feedback 
C)  Muscle contraction 
D)  Exposure to sun 
A)  Positive feedback 
B)  Negative feedback 
C)  Muscle contraction 
D)  Exposure to sun

Question 10

Hyperparathyroidism

Accepted Answer

A)  stimulates excessive osteoclast activity, softening bones. 
B)  is most often caused by a tumor. 
C)  increases risk of spontaneous fractures. 
D)  all of the above. 
A)  stimulates excessive osteoclast activity, softening bones. 
B)  is most often caused by a tumor. 
C)  increases risk of spontaneous fractures. 
D)  all of the above.

Question 11

Growth hormone signals the release of

Accepted Answer

A)  TGF. 
B)  PTH. 
C)  IGF-1. 
D)  FSH. 
A)  TGF. 
B)  PTH. 
C)  IGF-1. 
D)  FSH.

Question 12

Which of the following statements is correct with respect to T3 and T4?

Accepted Answer

A)  T4 has a higher free concentration in the plasma. 
B)  T4 is more important physiologically. 
C)  About one third of T4 is converted to T3 in peripheral tissues. 
D)  T4 is more potent. 
A)  T4 has a higher free concentration in the plasma. 
B)  T4 is more important physiologically. 
C)  About one third of T4 is converted to T3 in peripheral tissues. 
D)  T4 is more potent.

Question 13

Infantile hypothyroidism results from

Accepted Answer

A)  a deficiency of thyroid hormones at birth. 
B)  hyperthyroidism in an adult. 
C)  hypothyroidism in an adult. 
D)  lack of prolactin. 
A)  a deficiency of thyroid hormones at birth. 
B)  hyperthyroidism in an adult. 
C)  hypothyroidism in an adult. 
D)  lack of prolactin.

Question 14

Simple goiter is most prevalent where the soil lacks

Accepted Answer

A)  organic matter. 
B)  vitamins. 
C)  iodine. 
D)  potassium. 
A)  organic matter. 
B)  vitamins. 
C)  iodine. 
D)  potassium.

Question 15

The secretion of parathyroid hormone is controlled primarily by the

Accepted Answer

A)  hypothalamus. 
B)  concentration of blood calcium. 
C)  thyroid gland. 
D)  pituitary gland. 
A)  hypothalamus. 
B)  concentration of blood calcium. 
C)  thyroid gland. 
D)  pituitary gland.

Question 16

Paracrine substances called ______ have powerful, regulating effects on cellular responses to hormones.

Accepted Answer

The answer of Paracrine substances called ______ have powerful, regulating...

Question 17

A hormone whose effects last a long time has a ____ half-life.

Accepted Answer

The answer of A hormone whose effects last a long...

Question 18

ADH and oxytocin are secreted by

Accepted Answer

A)  neuromuscular cells. 
B)  neurons. 
C)  neuroglia. 
D)  neurosecretory cells. 
A)  neuromuscular cells. 
B)  neurons. 
C)  neuroglia. 
D)  neurosecretory cells.

Question 19

Compared to the nervous system, the endocrine system

Accepted Answer

A)  does not use receptors. 
B)  may have a longer lasting effect. 
C)  takes only seconds. 
D)  is not essential to life. 
A)  does not use receptors. 
B)  may have a longer lasting effect. 
C)  takes only seconds. 
D)  is not essential to life.

Question 20

With age,

Accepted Answer

A)  levels of GH increase but of ADH decrease. 
B)  levels of GH decrease but of ADH increase. 
C)  levels of GH and ADH both decrease. 
D)  levels of GH and ADH both increase. 
A)  levels of GH increase but of ADH decrease. 
B)  levels of GH decrease but of ADH increase. 
C)  levels of GH and ADH both decrease. 
D)  levels of GH and ADH both increase.

Exam 13: Endocrine System

A tropic hormone prevents endocrine glands from releasing their hormones, thereby maintaining homeostasis.

Type 2 diabetes mellitus results from

Hormones from the adrenal medulla increase

Nonsteroid hormones include peptides, proteins, glycoproteins, and amines.

The pancreas functions as part of the endocrine system and as a part of the ______ system.

The nervous system releases neurotransmitters into synapses. In contrast, the endocrine system releases _______ into the bloodstream.

Jerry drinks a few beers and soon has to urinate. The alcohol has

Nerve fibers in the posterior lobe of the pituitary gland secrete

__________ controls hormone concentrations.

Hyperparathyroidism

Growth hormone signals the release of

Which of the following statements is correct with respect to T3 and T4?

Infantile hypothyroidism results from

Simple goiter is most prevalent where the soil lacks

The secretion of parathyroid hormone is controlled primarily by the

Paracrine substances called ______ have powerful, regulating effects on cellular responses to hormones.

A hormone whose effects last a long time has a ____ half-life.

ADH and oxytocin are secreted by

Compared to the nervous system, the endocrine system

With age,

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

Which of the following statements is correct with respect to T₃ and T₄?