Question 1

A regulating mechanism that contains its own brake is called a ____________________ mechanism.

Accepted Answer

The answer of A regulating mechanism that contains its own...

Question 2

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 3

The hormone that initiates sperm production in the testes is ____________________,which is produced by the ____________________ gland.

Accepted Answer

FSH,anterior pituita

Question 4

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

Accepted Answer

A) thyroxine and GH 
B) GH and insulin 
C) insulin and glucagon 
D) glucagon and thyroxine 
A) thyroxine and GH 
B) GH and insulin 
C) insulin and glucagon 
D) glucagon and thyroxine

Question 5

In the two-messenger mechanism of the action of protein hormones,the second messenger is ____________________ that activates specific ____________________ within the cell.

Accepted Answer

cyclic AMP,enzymes c

Question 6

The hormones necessary for the growth of the endometrium are ____________________ and ____________________.

Accepted Answer

estrogen,p

Question 7

The mineral iodine is necessary for the synthesis of the hormone ____________________.

Accepted Answer

The answer of The mineral iodine is necessary for the...

Question 8

A positive 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 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

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

Accepted Answer

GH,thyroxine growth

Question 11

The function of growth hormone is to:

Accepted Answer

A) increase the rate of mitosis in growing tissues 
B) increase the rate of protein synthesis 
C) both A and B 
D) both A and B,and enable cells to take in glucose 
A) increase the rate of mitosis in growing tissues 
B) increase the rate of protein synthesis 
C) both A and B 
D) both A and B,and enable cells to take in glucose

Question 12

The primary function of antidiuretic hormones (ADH)is to increase ____________________ by the ____________________.

Accepted Answer

reabsorpti

Question 13

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

Accepted Answer

A) A feedback mechanism is called positive if it has a good effect within the body. 
B) A feedback mechanism is called negative if it has the potential to become a vicious cycle. 
C) A positive feedback mechanism contains its own brake. 
D) A negative feedback mechanism requires an external brake. 
E) For the secretion of hormones,positive feedback mechanisms are more common than negative ones because they work faster.
F)In stressful situations,positive feedback mechanisms become negative ones.
G)None are correct. 
A) A feedback mechanism is called positive if it has a good effect within the body. 
B) A feedback mechanism is called negative if it has the potential to become a vicious cycle. 
C) A positive feedback mechanism contains its own brake. 
D) A negative feedback mechanism requires an external brake. 
E) For the secretion of hormones,positive feedback mechanisms are more common than negative ones because they work faster.
F)In stressful situations,positive feedback mechanisms become negative ones.
G)None are correct.

Question 14

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 15

The secretion of hormones of the anterior pituitary is regulated by ____________________ produced by the ____________________.

Accepted Answer

releasing

Question 16

The direct stimulus for secretion of growth hormone is ____________________ .

Accepted Answer

GHRH growt

Question 17

Which hormone is NOT paired with its correct stimulus for secretion?

Accepted Answer

A) insulin - hyperglycemia 
B) glucagon - hyperglycemia 
C) PTH - hypocalcemia 
D) calcitonin - hypercalcemia 
A) insulin - hyperglycemia 
B) glucagon - hyperglycemia 
C) PTH - hypocalcemia 
D) calcitonin - hypercalcemia

Question 18

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 19

In the two-messenger mechanism of the action of protein hormones,the first messenger is the ____ which must bond to a ____ on the cell membrane.

Accepted Answer

A) receptor/cyclic AMP (adenosine monophosphate) 
B) hormone/receptor 
C) receptor/hormone 
D) hormone/cyclic AMP (adenosine monophosphate) 
A) receptor/cyclic AMP (adenosine monophosphate) 
B) hormone/receptor 
C) receptor/hormone 
D) hormone/cyclic AMP (adenosine monophosphate)

Question 20

The effect of oxytocin on the uterus is to cause ____________________ for ____________________.

Accepted Answer

contractions,birth (labor,deli

Exam 10: The Endocrine System

A regulating mechanism that contains its own brake is called a ____________________ mechanism.

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

The hormone that initiates sperm production in the testes is ____________________,which is produced by the ____________________ gland.

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

In the two-messenger mechanism of the action of protein hormones,the second messenger is ____________________ that activates specific ____________________ within the cell.

The hormones necessary for the growth of the endometrium are ____________________ and ____________________.

The mineral iodine is necessary for the synthesis of the hormone ____________________.

A positive feedback mechanism:

A negative feedback mechanism:

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

The function of growth hormone is to:

The primary function of antidiuretic hormones (ADH)is to increase ____________________ by the ____________________.

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

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

The secretion of hormones of the anterior pituitary is regulated by ____________________ produced by the ____________________.

The direct stimulus for secretion of growth hormone is ____________________ .

Which hormone is NOT paired with its correct stimulus for secretion?

The function of calcitonin is to:

In the two-messenger mechanism of the action of protein hormones,the first messenger is the ____ which must bond to a ____ on the cell membrane.

The effect of oxytocin on the uterus is to cause ____________________ for ____________________.

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 that initiates sperm production in the testes is ,which is produced by the gland.

In the two-messenger mechanism of the action of protein hormones,the second messenger is that activates specific within the cell.

The hormones necessary for the growth of the endometrium are and .

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

The primary function of antidiuretic hormones (ADH)is to increase by the .

The secretion of hormones of the anterior pituitary is regulated by produced by the .

In the two-messenger mechanism of the action of protein hormones,the first messenger is the which must bond to a on the cell membrane.

The effect of oxytocin on the uterus is to cause for .