Question 1

A nonsteroid hormone acts on a target cell by

Accepted Answer

A) causing synthesis of a second messenger. 
B) stimulating cell division. 
C) promoting phagocytosis. 
D) directly causing protein synthesis. 
A) causing synthesis of a second messenger. 
B) stimulating cell division. 
C) promoting phagocytosis. 
D) directly causing protein synthesis.

Question 2

Hormones

Accepted Answer

A) catalyze reactions by physically bringing two reactants closer together. 
B) have functions in growth, reproduction, and development. 
C) primarily function through electric signaling. 
D) generate action potentials to send signals through the body. 
A) catalyze reactions by physically bringing two reactants closer together. 
B) have functions in growth, reproduction, and development. 
C) primarily function through electric signaling. 
D) generate action potentials to send signals through the body.

Question 3

Nonsteroid hormones cause ________ in their target cells.

Accepted Answer

A) cyclic AMP to become ATP 
B) cyclic AMP to be decomposed 
C) activation of adenylate cyclase 
D) inactivation of adenylate cyclase 
A) cyclic AMP to become ATP 
B) cyclic AMP to be decomposed 
C) activation of adenylate cyclase 
D) inactivation of adenylate cyclase

Question 4

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 5

A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone.

Accepted Answer

A) True 
 B)False

Question 6

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 7

Dave has diabetes mellitus. Which of the following describes how the disease affects his bodily fluids?

Accepted Answer

A) He excretes protein in his urine. 
B) His urine is of high osmotic pressure. 
C) He urinates less than the average person. 
D) His blood sugar is generally low when untreated. 
A) He excretes protein in his urine. 
B) His urine is of high osmotic pressure. 
C) He urinates less than the average person. 
D) His blood sugar is generally low when untreated.

Question 8

Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?

Accepted Answer

A) Cholecalciferol 
B) Triiodothyronine 
C) Calcitonin 
D) Thyroxine 
A) Cholecalciferol 
B) Triiodothyronine 
C) Calcitonin 
D) Thyroxine

Question 9

Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the

Accepted Answer

A) intermediate lobe of the pituitary gland. 
B) anterior lobe of the pituitary gland. 
C) pineal gland. 
D) the hypothalamus. 
A) intermediate lobe of the pituitary gland. 
B) anterior lobe of the pituitary gland. 
C) pineal gland. 
D) the hypothalamus.

Question 10

Thyroxine

Accepted Answer

A) reduces the rate at which carbohydrates are utilized. 
B) enhances the rate at which proteins are synthesized. 
C) inhibits responses of the nervous system. 
D) inhibits the rate at which calcium enters body fluids. 
A) reduces the rate at which carbohydrates are utilized. 
B) enhances the rate at which proteins are synthesized. 
C) inhibits responses of the nervous system. 
D) inhibits the rate at which calcium enters body fluids.

Question 11

The target cells of releasing hormones are in the anterior pituitary gland.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Target cells for releasing hormones are in the

Accepted Answer

A) hypothalamus. 
B) anterior pituitary gland. 
C) posterior pituitary gland. 
D) thyroid gland. 
A) hypothalamus. 
B) anterior pituitary gland. 
C) posterior pituitary gland. 
D) thyroid gland.

Question 14

Growth hormone signals the release of IGF-1 from the

Accepted Answer

A) pancreas. 
B) liver. 
C) spleen. 
D) pituitary gland. 
A) pancreas. 
B) liver. 
C) spleen. 
D) pituitary gland.

Question 15

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 16

The nervous system releases hormones at synapses and the endocrine system releases neurotransmitters into the bloodstream.

Accepted Answer

A) True 
 B)False

Question 17

Type 1 diabetes mellitus is caused by

Accepted Answer

A) excess sugar in the diet. 
B) obesity. 
C) a disorder of the immune system. 
D) an effect of aging. 
A) excess sugar in the diet. 
B) obesity. 
C) a disorder of the immune system. 
D) an effect of aging.

Question 18

Which of the following has both endocrine and exocrine functions?

Accepted Answer

A) Pancreas 
B) Anterior pituitary 
C) Liver 
D) Thyroid gland 
A) Pancreas 
B) Anterior pituitary 
C) Liver 
D) Thyroid gland

Question 19

Calcitonin is produced in the ________ gland.

Accepted Answer

The answer of Calcitonin is produced in the ________ gland....

Question 20

Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of

Accepted Answer

A) hypothyroidism. 
B) hyperthyroidism. 
C) hypoparathyroidism. 
D) hyperparathyroidism. 
A) hypothyroidism. 
B) hyperthyroidism. 
C) hypoparathyroidism. 
D) hyperparathyroidism.

Exam 13: Endocrine System

A nonsteroid hormone acts on a target cell by

Hormones

Nonsteroid hormones cause ________ in their target cells.

ADH and oxytocin are secreted by

A hormone is a secreted molecule that is carried in the bloodstream to where it acts on target cells that bear specific receptors for that hormone.

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

Dave has diabetes mellitus. Which of the following describes how the disease affects his bodily fluids?

Kristin discovers a lump in her neck. Upon examination, her physician determines it's a tumor of the thyroid and performs a complete removal. Which of the following is not one of the hormones Kristin will need to be supplemented with?

Melanocyte-stimulating hormone, which regulates the formation of melanin, is produced by the

Thyroxine

The target cells of releasing hormones are in the anterior pituitary gland.

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

Target cells for releasing hormones are in the

Growth hormone signals the release of IGF-1 from the

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

The nervous system releases hormones at synapses and the endocrine system releases neurotransmitters into the bloodstream.

Type 1 diabetes mellitus is caused by

Which of the following has both endocrine and exocrine functions?

Calcitonin is produced in the ________ gland.

Maxwell has a very high metabolic rate, is skinny, and has protruding eyes. These are symptoms of

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: Divisions 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-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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