Question 1

Iodine-containing hormones

Accepted Answer

A)  include thyroid-stimulating hormone (TSH). 
B)  are secreted by the hypothalamus as releasing hormones. 
C)  are steroids. 
D)  regulate the metabolic rate. 
A)  include thyroid-stimulating hormone (TSH). 
B)  are secreted by the hypothalamus as releasing hormones. 
C)  are steroids. 
D)  regulate the metabolic rate.

Question 2

Which of the following hormones exerts negative feedback control on the secretion of ACTH?

Accepted Answer

A)  PTH 
B)  Glucagon 
C)  Cortisol 
D)  Corticotrophin-releasing hormone 
A)  PTH 
B)  Glucagon 
C)  Cortisol 
D)  Corticotrophin-releasing hormone

Question 3

Which of the following is most likely to cause the secretion of calcitonin?

Accepted Answer

A)  Hypocalcemia 
B)  Hyperglycemia 
C)  Dehydration 
D)  Elevated plasma calcium level 
A)  Hypocalcemia 
B)  Hyperglycemia 
C)  Dehydration 
D)  Elevated plasma calcium level

Question 4

Cushing syndrome and Addison's disease are

Accepted Answer

A)  forms of chronic adrenal cortical hypofunction. 
B)  forms of chronic adrenal cortical hypersecretion. 
C)  treated with replacement doses of cortisol (i.e., prednisone). 
D)  disorders of the adrenal cortex. 
A)  forms of chronic adrenal cortical hypofunction. 
B)  forms of chronic adrenal cortical hypersecretion. 
C)  treated with replacement doses of cortisol (i.e., prednisone). 
D)  disorders of the adrenal cortex.

Question 5

Steroids

Accepted Answer

A)  are secreted by the adrenal medulla. 
B)  include the glucocorticoids, mineralocorticoids, and androgens. 
C)  stimulate the membranes of the target cells to produce the second chemical messenger, cAMP. 
D)  are secreted by the pancreas. 
A)  are secreted by the adrenal medulla. 
B)  include the glucocorticoids, mineralocorticoids, and androgens. 
C)  stimulate the membranes of the target cells to produce the second chemical messenger, cAMP. 
D)  are secreted by the pancreas.

Question 6

Regarding the "tab of ab flab," what is the tab?

Accepted Answer

A)  Fat cells secrete hormones that are harmful to the body. 
B)  Fat cells secrete hormones that increase insulin resistance. 
C)  Fat cells secrete hormones that increase blood pressure into a hypertensive range. 
D)  All of the above. 
A)  Fat cells secrete hormones that are harmful to the body. 
B)  Fat cells secrete hormones that increase insulin resistance. 
C)  Fat cells secrete hormones that increase blood pressure into a hypertensive range. 
D)  All of the above.

Question 7

T₃ and T₄

Accepted Answer

A)  stimulate the adenohypophysis to secrete TSH. 
B)  regulate the basal metabolic rate (BMR). 
C)  stimulate osteoclastic activity, thereby elevating plasma calcium levels. 
D)  All of the above are true. 
A)  stimulate the adenohypophysis to secrete TSH. 
B)  regulate the basal metabolic rate (BMR). 
C)  stimulate osteoclastic activity, thereby elevating plasma calcium levels. 
D)  All of the above are true.

Question 8

Which of the following is least descriptive of the hypothalamus?

Accepted Answer

A)  Secretes releasing hormones 
B)  Controls the secretion of the anterior pituitary gland 
C)  Secretes ACTH, TSH, and gonadotropins 
D)  Synthesizes oxytocin and ADH 
A)  Secretes releasing hormones 
B)  Controls the secretion of the anterior pituitary gland 
C)  Secretes ACTH, TSH, and gonadotropins 
D)  Synthesizes oxytocin and ADH

Question 9

The person with _____ is most likely to receive insulin therapy.

Accepted Answer

A)  myxedema 
B)  Graves' disease 
C)  diabetes insipidus 
D)  hyperglycemia 
A)  myxedema 
B)  Graves' disease 
C)  diabetes insipidus 
D)  hyperglycemia

Question 10

Cushing syndrome

Accepted Answer

A)  may be caused by steroid (prednisone) therapy. 
B)  is caused by adrenal insufficiency. 
C)  is characterized by hypoglycemia and low blood volume. 
D)  is treated with growth hormone. 
A)  may be caused by steroid (prednisone) therapy. 
B)  is caused by adrenal insufficiency. 
C)  is characterized by hypoglycemia and low blood volume. 
D)  is treated with growth hormone.

Question 11

Which of the following is true of both prolactin and oxytocin? Both

Accepted Answer

A)  are concerned with lactation. 
B)  are secreted by the adenohypophysis. 
C)  stimulate the mammary glands to make milk. 
D)  are concerned only with lactation. 
A)  are concerned with lactation. 
B)  are secreted by the adenohypophysis. 
C)  stimulate the mammary glands to make milk. 
D)  are concerned only with lactation.

Question 12

Which of the following is a function of parathyroid hormone?

Accepted Answer

A)  It causes the excretion of calcium in the urine. 
B)  It stimulates osteoblastic activity to form bone. 
C)  It stimulates the thyroid gland to secrete calcitonin. 
D)  It increases plasma levels of calcium. 
A)  It causes the excretion of calcium in the urine. 
B)  It stimulates osteoblastic activity to form bone. 
C)  It stimulates the thyroid gland to secrete calcitonin. 
D)  It increases plasma levels of calcium.

Question 13

Which of the following is least characteristic of the function of insulin?

Accepted Answer

A)  Increases glucose transport (into the cell) 
B)  Suppresses gluconeogenesis 
C)  Lowers blood glucose 
D)  Increases the generation of ketone bodies 
A)  Increases glucose transport (into the cell) 
B)  Suppresses gluconeogenesis 
C)  Lowers blood glucose 
D)  Increases the generation of ketone bodies

Question 14

Which of the following is least associated with the adrenal medulla?

Accepted Answer

A)  Catecholamines 
B)  Epinephrine and norepinephrine 
C)  Fight-or-flight response 
D)  Sugar, salt, and sex 
A)  Catecholamines 
B)  Epinephrine and norepinephrine 
C)  Fight-or-flight response 
D)  Sugar, salt, and sex

Question 15

Which of the following suppress(es)the secretion of ACTH?

Accepted Answer

A)  Elevated blood glucose levels 
B)  Dietary iodine 
C)  Corticotropin-releasing hormone (CRH) 
D)  Elevated plasma cortisol levels 
A)  Elevated blood glucose levels 
B)  Dietary iodine 
C)  Corticotropin-releasing hormone (CRH) 
D)  Elevated plasma cortisol levels

Question 16

Which of the following is true of the hypothalamus?

Accepted Answer

A)  Secretes releasing hormones into the portal capillaries 
B)  Composed of glandular tissue 
C)  Called the adenohypophysis 
D)  Connected to the neurohypophysis by the portal capillaries 
A)  Secretes releasing hormones into the portal capillaries 
B)  Composed of glandular tissue 
C)  Called the adenohypophysis 
D)  Connected to the neurohypophysis by the portal capillaries

Question 17

A deficiency of ADH is most likely to

Accepted Answer

A)  elevate blood glucose levels. 
B)  cause diabetes mellitus. 
C)  induce polyuria. 
D)  expand blood volume. 
A)  elevate blood glucose levels. 
B)  cause diabetes mellitus. 
C)  induce polyuria. 
D)  expand blood volume.

Question 18

Which of the following is most responsive to treatment with thyroxine?

Accepted Answer

A)  Diabetes mellitus 
B)  Hyperglycemia 
C)  Myxedema 
D)  Graves' disease 
A)  Diabetes mellitus 
B)  Hyperglycemia 
C)  Myxedema 
D)  Graves' disease

Question 19

Which of the following hormones are found within the hypophyseal-hypothalamic portal capillaries?

Accepted Answer

A)  Gonadotropins 
B)  Releasing hormones 
C)  Catecholamines 
D)  Mineralocorticoids 
A)  Gonadotropins 
B)  Releasing hormones 
C)  Catecholamines 
D)  Mineralocorticoids

Question 20

Which gland secretes two hormones,one that elevates blood glucose levels and another that decreases blood glucose levels?

Accepted Answer

A)  Pancreas 
B)  Adenohypophysis 
C)  Thyroid 
D)  Adrenal cortex 
A)  Pancreas 
B)  Adenohypophysis 
C)  Thyroid 
D)  Adrenal cortex

Exam 14: Endocrine System

Iodine-containing hormones

Which of the following hormones exerts negative feedback control on the secretion of ACTH?

Which of the following is most likely to cause the secretion of calcitonin?

Cushing syndrome and Addison's disease are

Steroids

Regarding the "tab of ab flab," what is the tab?

T₃ and T₄

Which of the following is least descriptive of the hypothalamus?

The person with _____ is most likely to receive insulin therapy.

Cushing syndrome

Which of the following is true of both prolactin and oxytocin? Both

Which of the following is a function of parathyroid hormone?

Which of the following is least characteristic of the function of insulin?

Which of the following is least associated with the adrenal medulla?

Which of the following suppress(es)the secretion of ACTH?

Which of the following is true of the hypothalamus?

A deficiency of ADH is most likely to

Which of the following is most responsive to treatment with thyroxine?

Which of the following hormones are found within the hypophyseal-hypothalamic portal capillaries?

Which gland secretes two hormones,one that elevates blood glucose levels and another that decreases blood glucose levels?

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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