Question 1

Which of the following statements are true of insulin and glucagon? (Read carefully and select all of the correct statements.)

Accepted Answer

A) Insulin is secreted by pancreatic alpha cells, and glucagon is secreted by pancreatic beta cells. 
B) Glucagon stimulates the liver to convert glycogen to glucose. 
C) Insulin lowers the blood glucose level. 
D) Glucagon increases the use of fats and excess amino acids for energy production between meals. 
E) Insulin increases the use of fatty acids and amino acids for the synthesis of fats and proteins.
F)Negative feedback mechanisms regulate the secretion of both hormones, and they are considered synergists. 
A) Insulin is secreted by pancreatic alpha cells, and glucagon is secreted by pancreatic beta cells. 
B) Glucagon stimulates the liver to convert glycogen to glucose. 
C) Insulin lowers the blood glucose level. 
D) Glucagon increases the use of fats and excess amino acids for energy production between meals. 
E) Insulin increases the use of fatty acids and amino acids for the synthesis of fats and proteins.
F)Negative feedback mechanisms regulate the secretion of both hormones, and they are considered synergists.

Question 2

A stimulus for secretion of ADH is:

Accepted Answer

A) water loss in extreme sweating 
B) severe hemorrhage 
C) both A and B 
D) both A and B and severe diarrhea 
A) water loss in extreme sweating 
B) severe hemorrhage 
C) both A and B 
D) both A and B and severe diarrhea

Question 3

The function of ADH is to:

Accepted Answer

A) increase the reabsorption of water by the kidneys 
B) increase the reabsorption of sodium by the kidneys 
C) decrease the reabsorption of water by the kidneys 
D) decrease the reabsorption of sodium by the kidneys 
A) increase the reabsorption of water by the kidneys 
B) increase the reabsorption of sodium by the kidneys 
C) decrease the reabsorption of water by the kidneys 
D) decrease the reabsorption of sodium by the kidneys

Question 4

The direct stimulus for secretion of insulin is ____________________.

Accepted Answer

The answer of The direct stimulus for secretion of insulin...

Question 5

The hormone aldosterone is secreted by the ____________________, and its target organs are the ____________________.

Accepted Answer

adrenal co

Question 6

The function of aldosterone is to increase renal reabsorption of ____________________ ions and excretion of ____________________ ions.

Accepted Answer

sodium, po

Question 7

Iodine is necessary for the production of:

Accepted Answer

A) PTH by the parathyroid glands 
B) calcitonin by the thyroid gland 
C) TSH by the anterior pituitary gland 
D) thyroxine by the thyroid gland 
A) PTH by the parathyroid glands 
B) calcitonin by the thyroid gland 
C) TSH by the anterior pituitary gland 
D) thyroxine by the thyroid gland

Question 8

Which statement is NOT true of ADH?

Accepted Answer

A) It is released from the posterior pituitary gland. 
B) It increases the reabsorption of water by the kidneys. 
C) Its action increases urinary output. 
D) Its action increases blood volume. 
A) It is released from the posterior pituitary gland. 
B) It increases the reabsorption of water by the kidneys. 
C) Its action increases urinary output. 
D) Its action increases blood volume.

Question 9

A negative feedback mechanism:

Accepted Answer

A) always involves three or more hormones 
B) contains its own brake or shutoff mechanism 
C) requires an external brake to slow it 
D) always involves the hypothalamus 
A) always involves three or more hormones 
B) contains its own brake or shutoff mechanism 
C) requires an external brake to slow it 
D) always involves the hypothalamus

Question 10

Which of the following statements are true of hormone effects on the uterus? (Read carefully and select all of the correct statements.)

Accepted Answer

A) FSH from the anterior pituitary initiates growth of the endometrium. 
B) Estrogen from the ovaries stimulates growth of the endometrium. 
C) Progesterone from the developing ovarian follicle stimulates growth of the endometrium. 
D) Oxytocin from the posterior pituitary stimulates contraction of the endometrium at the end of pregnancy. 
E) LH from the anterior pituitary stimulates growth of the myometrium at puberty.
F)During pregnancy, premature contractions of the myometrium are inhibited by progesterone. 
A) FSH from the anterior pituitary initiates growth of the endometrium. 
B) Estrogen from the ovaries stimulates growth of the endometrium. 
C) Progesterone from the developing ovarian follicle stimulates growth of the endometrium. 
D) Oxytocin from the posterior pituitary stimulates contraction of the endometrium at the end of pregnancy. 
E) LH from the anterior pituitary stimulates growth of the myometrium at puberty.
F)During pregnancy, premature contractions of the myometrium are inhibited by progesterone.

Question 11

Two hormones that increase the rate of protein synthesis in cells are ____________________ and ____________________.

Accepted Answer

GH, thyroxine
thyrox

Question 12

Which of the following statements are true of thyroxine (and T3) and growth hormone (GH)? (Read carefully and select all of the correct statements.)

Accepted Answer

A) Thyroxine contains iodine and GH contains iron. 
B) Thyroxine increases the use of all food types for energy. 
C) GH increases the use of amino acids to produce energy. 
D) Both hormones increase the rate of mitosis in growing tissues. 
E) Both hormones increase the rate of protein synthesis in cells.
F)Thyroxine is secreted throughout life, but GH is secreted only when the body is growing in height. 
A) Thyroxine contains iodine and GH contains iron. 
B) Thyroxine increases the use of all food types for energy. 
C) GH increases the use of amino acids to produce energy. 
D) Both hormones increase the rate of mitosis in growing tissues. 
E) Both hormones increase the rate of protein synthesis in cells.
F)Thyroxine is secreted throughout life, but GH is secreted only when the body is growing in height.

Question 13

Oxytocin and ADH are both secreted by the:

Accepted Answer

A) ovaries 
B) anterior pituitary gland 
C) posterior pituitary gland 
D) adrenal glands 
A) ovaries 
B) anterior pituitary gland 
C) posterior pituitary gland 
D) adrenal glands

Question 14

The function of calcitonin is to:

Accepted Answer

A) decrease the reabsorption of calcium from bones 
B) increase the absorption of calcium by the small intestine 
C) decrease the absorption of calcium by the small intestine 
D) increase the reabsorption of calcium from bones 
A) decrease the reabsorption of calcium from bones 
B) increase the absorption of calcium by the small intestine 
C) decrease the absorption of calcium by the small intestine 
D) increase the reabsorption of calcium from bones

Question 15

The hormone that initiates the development of egg cells in the ovary is ____________________, which is produced by the ____________________ gland.

Accepted Answer

FSH, anter

Question 16

Glucagon is produced by the ____ and ____ the blood glucose level.

Accepted Answer

A) beta cells of the pancreas/lowers 
B) alpha cells of the pancreas/lowers 
C) beta cells of the pancreas/raises 
D) alpha cells of the pancreas/raises 
A) beta cells of the pancreas/lowers 
B) alpha cells of the pancreas/lowers 
C) beta cells of the pancreas/raises 
D) alpha cells of the pancreas/raises

Question 17

Which statement is NOT true of oxytocin?

Accepted Answer

A) It is released from the posterior pituitary gland. 
B) It causes contractions of the uterus. 
C) It stimulates milk production in the mammary glands. 
D) It is secreted during labor and when a mother is nursing an infant. 
A) It is released from the posterior pituitary gland. 
B) It causes contractions of the uterus. 
C) It stimulates milk production in the mammary glands. 
D) It is secreted during labor and when a mother is nursing an infant.

Question 18

Which statement describes a negative feedback mechanism?

Accepted Answer

A) The effects of a hormone increase the stimulus for secretion of that hormone. 
B) The effects of a hormone decrease the stimulus for secretion of that hormone. 
C) The hormone itself is the stimulus for secretion of the hormone. 
D) The hormone stimulates secretion of another hormone with the opposite function. 
A) The effects of a hormone increase the stimulus for secretion of that hormone. 
B) The effects of a hormone decrease the stimulus for secretion of that hormone. 
C) The hormone itself is the stimulus for secretion of the hormone. 
D) The hormone stimulates secretion of another hormone with the opposite function.

Question 19

The hormone that initiates sperm production in the testes is:

Accepted Answer

A) FSH 
B) LH 
C) ACTH 
D) GH 
A) FSH 
B) LH 
C) ACTH 
D) GH

Question 20

In women, the function of FSH is to:

Accepted Answer

A) initiate development of egg cells in the ovaries 
B) increase the secretion of estrogen 
C) both A and B 
D) both A and B and increase the secretion of GnRH 
A) initiate development of egg cells in the ovaries 
B) increase the secretion of estrogen 
C) both A and B 
D) both A and B and increase the secretion of GnRH

Exam 10: The Endocrine System

Which of the following statements are true of insulin and glucagon? (Read carefully and select all of the correct statements.)

A stimulus for secretion of ADH is:

The function of ADH is to:

The direct stimulus for secretion of insulin is ____________________.

The hormone aldosterone is secreted by the ____________________, and its target organs are the ____________________.

The function of aldosterone is to increase renal reabsorption of ____________________ ions and excretion of ____________________ ions.

Iodine is necessary for the production of:

Which statement is NOT true of ADH?

A negative feedback mechanism:

Which of the following statements are true of hormone effects on the uterus? (Read carefully and select all of the correct statements.)

Two hormones that increase the rate of protein synthesis in cells are ____________________ and ____________________.

Which of the following statements are true of thyroxine (and T3) and growth hormone (GH)? (Read carefully and select all of the correct statements.)

Oxytocin and ADH are both secreted by the:

The function of calcitonin is to:

The hormone that initiates the development of egg cells in the ovary is ____________________, which is produced by the ____________________ gland.

Glucagon is produced by the ____ and ____ the blood glucose level.

Which statement is NOT true of oxytocin?

Which statement describes a negative feedback mechanism?

The hormone that initiates sperm production in the testes is:

In women, the function of FSH is to:

Organization and General Plan of the Body

Some Basic Chemistry

Cells

Tissues and Membranes

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The Senses

Blood

The Heart

The Vascular System

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Body Temperature and Metabolism

The Urinary System

Fluidelectrolyte and Acidbase Balance

The Reproductive Systems

Human Development and Genetics

An Introduction to Microbiology and Human Disease

Filters

The hormone aldosterone is secreted by the , and its target organs are the .

The function of aldosterone is to increase renal reabsorption of ions and excretion of ions.

Two hormones that increase the rate of protein synthesis in cells are and .

Which of the following statements are true of thyroxine (and T₃) and growth hormone (GH)? (Read carefully and select all of the correct statements.)

The hormone that initiates the development of egg cells in the ovary is , which is produced by the gland.

Glucagon is produced by the and the blood glucose level.