Question 1

In the blood,

Accepted Answer

A)  most T3 and T4 molecules are found bound to thyroxine-binding globulin (TBG). 
B)  T3 and T4 are rapidly metabolized. 
C)  T3 is converted into T4. 
D)  T3 but not T4 is bound to TSH. 
E)  most thyroid hormones are transported in a free form. 
A)  most T3 and T4 molecules are found bound to thyroxine-binding globulin (TBG). 
B)  T3 and T4 are rapidly metabolized. 
C)  T3 is converted into T4. 
D)  T3 but not T4 is bound to TSH. 
E)  most thyroid hormones are transported in a free form.

Question 2

Calcitonin reduces blood calcium levels.

Accepted Answer

A) True 
 B)False

Question 3

Match the pathological condition with its cause.
-Addison disease

Accepted Answer

A) Decreased amounts of thyroid hormone 
B) Increased amounts of thyroid hormone 
C) Abnormally low levels of aldosterone and cortisol 
D) Increased levels of growth hormone in adults 
E) Lack of ADH 
A) Decreased amounts of thyroid hormone 
B) Increased amounts of thyroid hormone 
C) Abnormally low levels of aldosterone and cortisol 
D) Increased levels of growth hormone in adults 
E) Lack of ADH

Question 4

Which of the following will inhibit the secretion of growth hormone?

Accepted Answer

A)  Growth hormone-releasing hormone (GHRH) 
B)  Growth hormone-inhibiting hormone (GHIH) 
C)  Somatomedins 
D)  A posterior pituitary-inhibiting hormone 
E)  T3 and T4 
A)  Growth hormone-releasing hormone (GHRH) 
B)  Growth hormone-inhibiting hormone (GHIH) 
C)  Somatomedins 
D)  A posterior pituitary-inhibiting hormone 
E)  T3 and T4

Question 5

Match the hormone with its appropriate function.
-Prolactin

Accepted Answer

A) Stimulates synthesis of thyroid hormones 
B) Increases adrenal cortex secretions 
C) Development of immune system 
D) Milk production 
E) Decreases blood Ca2+ levels 
A) Stimulates synthesis of thyroid hormones 
B) Increases adrenal cortex secretions 
C) Development of immune system 
D) Milk production 
E) Decreases blood Ca2+ levels

Question 6

What is/are the function(s) of inhibin?

Accepted Answer

A)  Inhibits secretion of FSH from the anterior pituitary gland 
B)  Inhibits secretion of luteinizing hormone from the anterior pituitary gland 
C)  Inhibits secretion of estrogen from the ovaries 
D)  All of the choices are correct. 
A)  Inhibits secretion of FSH from the anterior pituitary gland 
B)  Inhibits secretion of luteinizing hormone from the anterior pituitary gland 
C)  Inhibits secretion of estrogen from the ovaries 
D)  All of the choices are correct.

Question 7

All of the following classes of hormones are secreted by the adrenal cortex except

Accepted Answer

A)  mineralocorticoids. 
B)  glucocorticoids. 
C)  androgens. 
D)  steroid hormones. 
E)  water-soluble peptides. 
A)  mineralocorticoids. 
B)  glucocorticoids. 
C)  androgens. 
D)  steroid hormones. 
E)  water-soluble peptides.

Question 8

The primary stimulus for release of adrenal medullary hormones comes from ________.

Accepted Answer

A)  the kidneys 
B)  aldosterone 
C)  the anterior pituitary 
D)  the parasympathetic nervous system 
E)  the sympathetic nervous system 
A)  the kidneys 
B)  aldosterone 
C)  the anterior pituitary 
D)  the parasympathetic nervous system 
E)  the sympathetic nervous system

Question 9

Match the endocrine gland with the hormone it secretes.
-Adrenal cortex

Accepted Answer

A) Glucagon 
B) Progesterone 
C) Cortisol 
D) T3 
E) Prolactin 
A) Glucagon 
B) Progesterone 
C) Cortisol 
D) T3 
E) Prolactin

Question 10

Chronic hypersecretion of growth hormone as a child would result in ________.

Accepted Answer

A)  pituitary dwarfism 
B)  acromegaly 
C)  myxedema 
D)  gigantism 
A)  pituitary dwarfism 
B)  acromegaly 
C)  myxedema 
D)  gigantism

Question 11

Which condition may be the cause of hyperglycemia, depressed immune system, and redistribution of adipose tissue from limbs to the face, neck, and abdomen?

Accepted Answer

A)  Addison disease 
B)  Hypersecretion of mineralocorticoids 
C)  Hyposecretion of cortisol 
D)  Cushing syndrome 
A)  Addison disease 
B)  Hypersecretion of mineralocorticoids 
C)  Hyposecretion of cortisol 
D)  Cushing syndrome

Question 12

Adrenal androgens

Accepted Answer

A)  are produced in the adrenal medulla. 
B)  stimulate growth of pubic hair in females. 
C)  reduce the inflammatory response. 
D)  cause reabsorption of K+ by the kidney. 
E)  decrease the sex drive. 
A)  are produced in the adrenal medulla. 
B)  stimulate growth of pubic hair in females. 
C)  reduce the inflammatory response. 
D)  cause reabsorption of K+ by the kidney. 
E)  decrease the sex drive.

Question 13

Which of the following statements best describes the actions of thyroid hormones?

Accepted Answer

A)  These hormones interact with membrane signaling proteins. 
B)  Thyroid hormones bind to molecules of the cytoskeleton in the cell cytoplasm. 
C)  Thyroid hormones bind to epithelial plasma membranes that line the intestine. 
D)  Both "These hormones interact with membrane signaling proteins" and "Thyroid hormones bind to epithelial plasma membranes that line the intestine" are correct. 
A)  These hormones interact with membrane signaling proteins. 
B)  Thyroid hormones bind to molecules of the cytoskeleton in the cell cytoplasm. 
C)  Thyroid hormones bind to epithelial plasma membranes that line the intestine. 
D)  Both "These hormones interact with membrane signaling proteins" and "Thyroid hormones bind to epithelial plasma membranes that line the intestine" are correct.

Question 14

Which of the following statements concerning the pancreas is true?

Accepted Answer

A)  Most of the hormones produced by the pancreas flow into the pancreatic duct. 
B)  Both glucagon and insulin are produced in the pancreatic islets. 
C)  The pancreas is located above the liver. 
D)  The endocrine portion of the gland is called the zona reticularis. 
E)  Alpha and beta cells are associated with the acini. 
A)  Most of the hormones produced by the pancreas flow into the pancreatic duct. 
B)  Both glucagon and insulin are produced in the pancreatic islets. 
C)  The pancreas is located above the liver. 
D)  The endocrine portion of the gland is called the zona reticularis. 
E)  Alpha and beta cells are associated with the acini.

Question 15

Which of the following occurs when insulin molecules bind to their receptors on target cells?

Accepted Answer

A)  Increased mRNA synthesis in the target cells 
B)  Minimal uptake of glucose by target cells 
C)  Phosphorylation of proteins in the plasma membrane in the target cells 
D)  Increased numbers of active transport molecules for glucose 
E)  Both "Phosphorylation of proteins in the plasma membrane in the target cells" and "Increased numbers of active transport molecules for glucose" are correct. 
A)  Increased mRNA synthesis in the target cells 
B)  Minimal uptake of glucose by target cells 
C)  Phosphorylation of proteins in the plasma membrane in the target cells 
D)  Increased numbers of active transport molecules for glucose 
E)  Both "Phosphorylation of proteins in the plasma membrane in the target cells" and "Increased numbers of active transport molecules for glucose" are correct.

Question 16

Which of the following hormones promotes the breakdown of fatty acids?

Accepted Answer

A)  Lipotropins 
B)  Somatotropins 
C)  Gonadotropins 
D)  Thyrotropins 
A)  Lipotropins 
B)  Somatotropins 
C)  Gonadotropins 
D)  Thyrotropins

Question 17

The zona fasciculata of the adrenal glands secretes the hormone ________.

Accepted Answer

A)  androstenedione 
B)  aldosterone 
C)  cortisol 
D)  epinephrine 
E)  ADH 
A)  androstenedione 
B)  aldosterone 
C)  cortisol 
D)  epinephrine 
E)  ADH

Question 18

What role does oxytocin play in lactation?

Accepted Answer

A)  Ejection of milk 
B)  Production of milk 
C)  Storage of milk 
D)  Stop production of milk 
A)  Ejection of milk 
B)  Production of milk 
C)  Storage of milk 
D)  Stop production of milk

Question 19

Which gland does NOT produce reproductive hormones?

Accepted Answer

A)  Ovaries 
B)  Testes 
C)  Placenta 
D)  Thyroid 
E)  Pituitary gland 
A)  Ovaries 
B)  Testes 
C)  Placenta 
D)  Thyroid 
E)  Pituitary gland

Question 20

Hormones are released from the posterior pituitary when posterior pituitary cells are stimulated by

Accepted Answer

A)  hypothalamic releasing hormones. 
B)  hormones from the anterior pituitary. 
C)  action potentials from hypothalamic neurosecretory neurons. 
D)  the primary capillary network. 
E)  the sympathetic nervous system. 
A)  hypothalamic releasing hormones. 
B)  hormones from the anterior pituitary. 
C)  action potentials from hypothalamic neurosecretory neurons. 
D)  the primary capillary network. 
E)  the sympathetic nervous system.

Exam 18: Endocrine Glands

In the blood,

Calcitonin reduces blood calcium levels.

Match the pathological condition with its cause. -Addison disease

Which of the following will inhibit the secretion of growth hormone?

Match the hormone with its appropriate function. -Prolactin

What is/are the function(s) of inhibin?

All of the following classes of hormones are secreted by the adrenal cortex except

The primary stimulus for release of adrenal medullary hormones comes from ________.

Match the endocrine gland with the hormone it secretes. -Adrenal cortex

Chronic hypersecretion of growth hormone as a child would result in ________.

Which condition may be the cause of hyperglycemia, depressed immune system, and redistribution of adipose tissue from limbs to the face, neck, and abdomen?

Adrenal androgens

Which of the following statements best describes the actions of thyroid hormones?

Which of the following statements concerning the pancreas is true?

Which of the following occurs when insulin molecules bind to their receptors on target cells?

Which of the following hormones promotes the breakdown of fatty acids?

The zona fasciculata of the adrenal glands secretes the hormone ________.

What role does oxytocin play in lactation?

Which gland does NOT produce reproductive hormones?

Hormones are released from the posterior pituitary when posterior pituitary cells are stimulated by

The Human Organism

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Skeletal System: Gross Anatomy

Joint and Movement

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Muscular System: Gross Anatomy

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Integration of Nervous System Functions

The Special Senses

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Functional Organization of the Endocrine System

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Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

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