Question 1

Which of these hormones is NOT regulated by a hormone from the anterior pituitary gland?

Accepted Answer

A) thyroxine 
B) cortisol 
C) testosterone 
D) epinephrine 
A) thyroxine 
B) cortisol 
C) testosterone 
D) epinephrine

Question 2

The hormone that causes strong contractions of the uterus for delivery of a baby is:

Accepted Answer

A) estrogen 
B) progesterone 
C) oxytocin 
D) prolactin 
A) estrogen 
B) progesterone 
C) oxytocin 
D) prolactin

Question 3

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 4

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 5

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 6

The effect of oxytocin on the mammary glands is to:

Accepted Answer

A) increase the production of milk 
B) decrease the production of milk 
C) decrease the release of milk 
D) increase the release of milk 
A) increase the production of milk 
B) decrease the production of milk 
C) decrease the release of milk 
D) increase the release of milk

Question 7

In men,the function of LH is to:

Accepted Answer

A) increase secretion of testosterone 
B) stimulate sperm production in the testes 
C) both A and B 
D) both A and B,and increase secretion of GnRH 
A) increase secretion of testosterone 
B) stimulate sperm production in the testes 
C) both A and B 
D) both A and B,and increase secretion of GnRH

Question 8

The hormones directly necessary for development of egg cells in the ovary are:

Accepted Answer

A) LH and estrogen 
B) FSH and estrogen 
C) FSH and progesterone 
D) LH and progesterone 
A) LH and estrogen 
B) FSH and estrogen 
C) FSH and progesterone 
D) LH and progesterone

Question 9

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

Accepted Answer

A) adrenal cortex/blood vessels 
B) adrenal medulla/blood vessels 
C) adrenal medulla/kidneys 
D) adrenal cortex/kidneys 
A) adrenal cortex/blood vessels 
B) adrenal medulla/blood vessels 
C) adrenal medulla/kidneys 
D) adrenal cortex/kidneys

Question 10

The hormone that stimulates secretion of thyroxine is:

Accepted Answer

A) TSH 
B) ACTH 
C) prolactin 
D) GH 
A) TSH 
B) ACTH 
C) prolactin 
D) GH

Question 11

Which of these is a target organ of calcitonin?

Accepted Answer

A) small intestine 
B) kidneys 
C) bones 
D) liver 
A) small intestine 
B) kidneys 
C) bones 
D) liver

Question 12

Which endocrine disorder is NOT paired with its proper cause?

Accepted Answer

A) diabetes mellitus - hyposecretion of insulin 
B) cretinism - hyposecretion of GH in childhood 
C) myxedema - hyposecretion of thyroxine in adulthood 
D) Addison's disease - hyposecretion of cortisol and aldosterone 
A) diabetes mellitus - hyposecretion of insulin 
B) cretinism - hyposecretion of GH in childhood 
C) myxedema - hyposecretion of thyroxine in adulthood 
D) Addison's disease - hyposecretion of cortisol and aldosterone

Question 13

The hormone that increases the use of fats and amino acids for energy production and spares glucose for use by the brain is:

Accepted Answer

A) insulin 
B) aldosterone 
C) GH 
D) cortisol 
A) insulin 
B) aldosterone 
C) GH 
D) cortisol

Question 14

Which of these is NOT a function of PTH?

Accepted Answer

A) increasing the absorption of calcium by the small intestine 
B) increasing the reabsorption of calcium by the kidneys 
C) increasing the reabsorption of calcium from bones 
D) decreasing the reabsorption of calcium from bones 
A) increasing the absorption of calcium by the small intestine 
B) increasing the reabsorption of calcium by the kidneys 
C) increasing the reabsorption of calcium from bones 
D) decreasing the reabsorption of calcium from bones

Question 15

In women,the function of LH is to:

Accepted Answer

A) increase secretion of progesterone in the ovary 
B) cause ovulation 
C) both A and B 
D) neither A nor B 
A) increase secretion of progesterone in the ovary 
B) cause ovulation 
C) both A and B 
D) neither A nor B

Question 16

When the effects of a hormone decrease the stimulus for secretion of that hormone,this sequence of events is called a:

Accepted Answer

A) positive feedback mechanism 
B) negative feedback mechanism 
C) stimulus-response mechanism 
D) releasing-hormone mechanism 
A) positive feedback mechanism 
B) negative feedback mechanism 
C) stimulus-response mechanism 
D) releasing-hormone mechanism

Question 17

The hormone whose major function is to stimulate vasoconstriction throughout the body is:

Accepted Answer

A) thyroxine 
B) norepinephrine 
C) aldosterone 
D) epinephrine 
A) thyroxine 
B) norepinephrine 
C) aldosterone 
D) epinephrine

Question 18

Which statement is NOT true of the male sex hormones?

Accepted Answer

A) FSH initiates sperm production in the testes. 
B) Inhibin increases the secretion of FSH. 
C) Testosterone is necessary for maturation of sperm. 
D) LH increases the secretion of testosterone. 
A) FSH initiates sperm production in the testes. 
B) Inhibin increases the secretion of FSH. 
C) Testosterone is necessary for maturation of sperm. 
D) LH increases the secretion of testosterone.

Question 19

The hormone that increases the blood glucose level,for instance,between meals,is:

Accepted Answer

A) aldosterone 
B) insulin 
C) glucagon 
D) norepinephrine 
A) aldosterone 
B) insulin 
C) glucagon 
D) norepinephrine

Question 20

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

Exam 11:The Endocrine System-Part C

Which of these hormones is NOT regulated by a hormone from the anterior pituitary gland?

The hormone that causes strong contractions of the uterus for delivery of a baby is:

A negative feedback mechanism:

The function of growth hormone is to:

Glucagon is produced by the ___,and ___ the blood glucose level.

The effect of oxytocin on the mammary glands is to:

In men,the function of LH is to:

The hormones directly necessary for development of egg cells in the ovary are:

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

The hormone that stimulates secretion of thyroxine is:

Which of these is a target organ of calcitonin?

Which endocrine disorder is NOT paired with its proper cause?

The hormone that increases the use of fats and amino acids for energy production and spares glucose for use by the brain is:

Which of these is NOT a function of PTH?

In women,the function of LH is to:

When the effects of a hormone decrease the stimulus for secretion of that hormone,this sequence of events is called a:

The hormone whose major function is to stimulate vasoconstriction throughout the body is:

Which statement is NOT true of the male sex hormones?

The hormone that increases the blood glucose level,for instance,between meals,is:

The hormone that initiates sperm production in the testes is:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

Glucagon is produced by the _,and _ the blood glucose level.

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