Question 1

Catecholamines

Accepted Answer

A)  include cortisol, aldosterone, and testosterone. 
B)  are secreted by the adrenal cortex. 
C)  lower plasma glucose levels. 
D)  include epinephrine (adrenalin) and norepinephrine. 
A)  include cortisol, aldosterone, and testosterone. 
B)  are secreted by the adrenal cortex. 
C)  lower plasma glucose levels. 
D)  include epinephrine (adrenalin) and norepinephrine.

Question 2

The secretion of cortisol by the adrenal gland suppresses further secretion of ACTH by the anterior pituitary gland.What is this interaction called?

Accepted Answer

A)  Cerebral lateralization 
B)  Circadian rhythm 
C)  Cellular differentiation 
D)  Negative feedback control 
A)  Cerebral lateralization 
B)  Circadian rhythm 
C)  Cellular differentiation 
D)  Negative feedback control

Question 3

Excess insulin is most apt to cause

Accepted Answer

A)  ketosis. 
B)  hypoglycemia. 
C)  hypertension. 
D)  diuresis. 
A)  ketosis. 
B)  hypoglycemia. 
C)  hypertension. 
D)  diuresis.

Question 4

The adrenal medulla

Accepted Answer

A)  is an extension of the "feed-and-breed" division of the autonomic nervous system. 
B)  secretes epinephrine and norepinephrine. 
C)  secretes steroids. 
D)  causes Cushing syndrome when it is overactive. 
A)  is an extension of the "feed-and-breed" division of the autonomic nervous system. 
B)  secretes epinephrine and norepinephrine. 
C)  secretes steroids. 
D)  causes Cushing syndrome when it is overactive.

Question 5

Which of the following structures connects the hypothalamus and the adenohypophysis?

Accepted Answer

A)  Islets of Langerhans 
B)  Portal capillaries 
C)  Corpus callosum 
D)  Medulla oblongata 
A)  Islets of Langerhans 
B)  Portal capillaries 
C)  Corpus callosum 
D)  Medulla oblongata

Question 6

Epinephrine (adrenalin)increases blood glucose by

Accepted Answer

A)  increasing transport of glucose into the cell. 
B)  stimulating gluconeogenesis. 
C)  stimulating the hepatic conversion of glycogen into glucose. 
D)  converting fatty acids into glucose. 
A)  increasing transport of glucose into the cell. 
B)  stimulating gluconeogenesis. 
C)  stimulating the hepatic conversion of glycogen into glucose. 
D)  converting fatty acids into glucose.

Question 7

Calcitonin and parathyroid hormone

Accepted Answer

A)  are both secreted by the parathyroid glands. 
B)  increase plasma levels of calcium. 
C)  decrease plasma levels of calcium. 
D)  control plasma levels of calcium. 
A)  are both secreted by the parathyroid glands. 
B)  increase plasma levels of calcium. 
C)  decrease plasma levels of calcium. 
D)  control plasma levels of calcium.

Question 8

This adrenal cortical mineralocorticoid helps regulate salt and water balance.

Accepted Answer

A)  Aldosterone 
B)  Glucagon 
C)  Cortisol 
D)  ADH 
A)  Aldosterone 
B)  Glucagon 
C)  Cortisol 
D)  ADH

Question 9

The secretion of this gland is described as sympathomimetic.

Accepted Answer

A)  Adrenal medulla 
B)  Pancreas 
C)  Adrenal cortex 
D)  Parathyroid 
A)  Adrenal medulla 
B)  Pancreas 
C)  Adrenal cortex 
D)  Parathyroid

Question 10

Growth hormone

Accepted Answer

A)  is secreted by the adenohypophysis. 
B)  stimulates growth of the musculoskeletal system. 
C)  is also called somatotropic hormone. 
D)  All of the above are true. 
A)  is secreted by the adenohypophysis. 
B)  stimulates growth of the musculoskeletal system. 
C)  is also called somatotropic hormone. 
D)  All of the above are true.

Question 11

Which of the following is the response to low plasma levels of calcium?

Accepted Answer

A)  Secretion of calcitonin 
B)  Secretion of the beta cells of the islets of Langerhans 
C)  Inhibition of the adenohypophyseal release of ACTH 
D)  Secretion of PTH 
A)  Secretion of calcitonin 
B)  Secretion of the beta cells of the islets of Langerhans 
C)  Inhibition of the adenohypophyseal release of ACTH 
D)  Secretion of PTH

Question 12

Identify the hormones that are secreted by these glands: adrenal cortex,pancreas,and adenohypophysis.

Accepted Answer

A)  ADH, aldosterone, glucagon 
B)  Epinephrine, insulin, ACTH 
C)  Androgen, glucagon, ADH 
D)  Cortisol, insulin, growth hormone 
A)  ADH, aldosterone, glucagon 
B)  Epinephrine, insulin, ACTH 
C)  Androgen, glucagon, ADH 
D)  Cortisol, insulin, growth hormone

Question 13

The beta cells of the islets of Langerhans

Accepted Answer

A)  are the hormone-secreting cells of the adrenal cortex. 
B)  are insulin-secreting pancreatic cells. 
C)  secrete releasing hormones. 
D)  secrete steroids. 
A)  are the hormone-secreting cells of the adrenal cortex. 
B)  are insulin-secreting pancreatic cells. 
C)  secrete releasing hormones. 
D)  secrete steroids.

Question 14

The hypersecretion of which hormone is least likely to cause hyperglycemia?

Accepted Answer

A)  Cortisol 
B)  Growth hormone 
C)  Insulin 
D)  Epinephrine (adrenalin) 
A)  Cortisol 
B)  Growth hormone 
C)  Insulin 
D)  Epinephrine (adrenalin)

Question 15

Which of the following is the most important effect of somatotropic hormone?

Accepted Answer

A)  Promotion of the urinary excretion of calcium 
B)  Growth of the musculoskeletal system 
C)  Regulation of sodium and water balance 
D)  Initiates and sustains labor to terminate pregnancy 
A)  Promotion of the urinary excretion of calcium 
B)  Growth of the musculoskeletal system 
C)  Regulation of sodium and water balance 
D)  Initiates and sustains labor to terminate pregnancy

Question 16

Hypocalcemic tetany

Accepted Answer

A)  causes a flaccid paralysis. 
B)  resembles neuromuscular blockade by curare. 
C)  may be caused by a deficiency of PTH. 
D)  is caused by a deficiency of insulin. 
A)  causes a flaccid paralysis. 
B)  resembles neuromuscular blockade by curare. 
C)  may be caused by a deficiency of PTH. 
D)  is caused by a deficiency of insulin.

Question 17

A tumor of the adrenal medulla

Accepted Answer

A)  causes life-threatening low blood pressure. 
B)  is called a pheochromocytoma. 
C)  causes Addison's disease. 
D)  causes excess secretion of cortisol. 
A)  causes life-threatening low blood pressure. 
B)  is called a pheochromocytoma. 
C)  causes Addison's disease. 
D)  causes excess secretion of cortisol.

Question 18

Which of the following is not controlled by a hypothalamic-releasing hormone?

Accepted Answer

A)  ACTH 
B)  ADH 
C)  Growth hormone 
D)  Prolactin 
A)  ACTH 
B)  ADH 
C)  Growth hormone 
D)  Prolactin

Question 19

Which of the following is descriptive of prolactin?

Accepted Answer

A)  Secreted by the posterior pituitary gland 
B)  Also called lactogenic hormone 
C)  Causes the milk let-down reflex 
D)  Stimulates the neurohypophysis to synthesize oxytocin 
A)  Secreted by the posterior pituitary gland 
B)  Also called lactogenic hormone 
C)  Causes the milk let-down reflex 
D)  Stimulates the neurohypophysis to synthesize oxytocin

Question 20

PTH

Accepted Answer

A)  lowers plasma calcium. 
B)  stimulates osteoclastic activity. 
C)  is an iodine-containing hormone. 
D)  stimulates osteoblastic activity and causes blood calcium levels to increase. 
A)  lowers plasma calcium. 
B)  stimulates osteoclastic activity. 
C)  is an iodine-containing hormone. 
D)  stimulates osteoblastic activity and causes blood calcium levels to increase.

Exam 14: Endocrine System

Catecholamines

The secretion of cortisol by the adrenal gland suppresses further secretion of ACTH by the anterior pituitary gland.What is this interaction called?

Excess insulin is most apt to cause

The adrenal medulla

Which of the following structures connects the hypothalamus and the adenohypophysis?

Epinephrine (adrenalin)increases blood glucose by

Calcitonin and parathyroid hormone

This adrenal cortical mineralocorticoid helps regulate salt and water balance.

The secretion of this gland is described as sympathomimetic.

Growth hormone

Which of the following is the response to low plasma levels of calcium?

Identify the hormones that are secreted by these glands: adrenal cortex,pancreas,and adenohypophysis.

The beta cells of the islets of Langerhans

The hypersecretion of which hormone is least likely to cause hyperglycemia?

Which of the following is the most important effect of somatotropic hormone?

Hypocalcemic tetany

A tumor of the adrenal medulla

Which of the following is not controlled by a hypothalamic-releasing hormone?

Which of the following is descriptive of prolactin?

PTH

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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