Question 1

The hormone stimulating the milk-ejection reflex is called

Accepted Answer

A) antidiuretic hormone. 
B) oxytocin. 
C) vasopressin. 
D) parathyroid hormone. 
E) aldosteronE. 
A) antidiuretic hormone. 
B) oxytocin. 
C) vasopressin. 
D) parathyroid hormone. 
E) aldosteronE.

Question 2

Select the mismatched chemical category of a hormone and its example from the choices below.

Accepted Answer

A) polypeptides-ADH 
B) steroid-estradiol 
C) amine-FSH 
D) glycoprotein-LH 
E) steroid-testosterone 
A) polypeptides-ADH 
B) steroid-estradiol 
C) amine-FSH 
D) glycoprotein-LH 
E) steroid-testosterone

Question 3

Which of the following hormones is(are)absolutely essential for survival by humans?

Accepted Answer

A) aldosterone 
B) parathyroid hormone 
C) cortisol 
D) aldosterone and cortisol 
E) aldosterone and parathyroid hormone 
A) aldosterone 
B) parathyroid hormone 
C) cortisol 
D) aldosterone and cortisol 
E) aldosterone and parathyroid hormone

Question 4

The right atrium of the heart secretes atrial natriuretic hormone,which stimulates the kidneys to excrete salt and water in the urine.Atrial natriuretic hormone,therefore,acts antagonistically to

Accepted Answer

A) aldosterone. 
B) cortisol. 
C) glucagon. 
D) thyroxine. 
E) progesteronE. 
A) aldosterone. 
B) cortisol. 
C) glucagon. 
D) thyroxine. 
E) progesteronE.

Question 5

The hormone ________ sets the body's basal metabolic rate.

Accepted Answer

A) estrogen 
B) insulin 
C) norepinephrine 
D) cortisol 
E) thyroxin 
A) estrogen 
B) insulin 
C) norepinephrine 
D) cortisol 
E) thyroxin

Question 6

Stimulates production of testosterone.

Accepted Answer

A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone 
A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone

Question 7

Which is the best explanation for how ibuprofen works?

Accepted Answer

A) thins the blood to relieve joint pain 
B) inhibits cyclooxygenase-2,which is needed to produce prostaglandins 
C) activates cyclooxygenase-2,which then produces more prostaglandins 
D) down-regulates the production of substance P 
E) activates cyclooxygenase-2,which promotes healing of tissue 
A) thins the blood to relieve joint pain 
B) inhibits cyclooxygenase-2,which is needed to produce prostaglandins 
C) activates cyclooxygenase-2,which then produces more prostaglandins 
D) down-regulates the production of substance P 
E) activates cyclooxygenase-2,which promotes healing of tissue

Question 8

What is the primary function of the hormone oxytocin?

Accepted Answer

A) stimulates milk production 
B) stimulates milk ejection 
C) raises blood glucose levels 
D) stimulates bone growth 
E) regulates biological rhythms 
A) stimulates milk production 
B) stimulates milk ejection 
C) raises blood glucose levels 
D) stimulates bone growth 
E) regulates biological rhythms

Question 9

The action of a lipophilic hormones involve all of the following except:
I-Hormone molecules pass through the target cell's plasma membrane and bind to intracellular receptor proteins.
II-The hormone-receptor complex binds to specific regions of DNA,thereby activating genes and producing action in the target cells.
III-The second messengers activate previously inactive enzymes.

Accepted Answer

A) I 
B) II 
C) III 
D) I and II 
E) I,II,and III 
A) I 
B) II 
C) III 
D) I and II 
E) I,II,and III

Question 10

Which one of the following hormones is a glycoprotein?

Accepted Answer

A) insulin 
B) progesterone 
C) follicle-stimulating hormone 
D) norepinephrine 
E) aldosterone 
A) insulin 
B) progesterone 
C) follicle-stimulating hormone 
D) norepinephrine 
E) aldosterone

Question 11

What is the primary function of the parathyroid hormone?

Accepted Answer

A) stimulates milk production 
B) initiates stress response 
C) lowers blood glucose level 
D) stimulates bone breakdown 
E) inhibits loss of calcium from bone 
A) stimulates milk production 
B) initiates stress response 
C) lowers blood glucose level 
D) stimulates bone breakdown 
E) inhibits loss of calcium from bone

Question 12

Regulates level hormone of blood calcium.

Accepted Answer

A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone 
A) luteinizing hormone 
B) parathyroid 
C) oxytocin 
D) follicle-stimulating hormone 
E) adrenocorticotropic hormone

Question 13

Which one of the following does not represent a category of hormones?

Accepted Answer

A) second messengers 
B) polypeptides 
C) glycoproteins 
D) amines 
E) steroids 
A) second messengers 
B) polypeptides 
C) glycoproteins 
D) amines 
E) steroids

Question 14

Some intercellular regulatory molecules that exert only very local effects are called ________ regulators.

Accepted Answer

A) sympathetic 
B) exogeneous 
C) mesocrine 
D) endocrine 
E) paracrine 
A) sympathetic 
B) exogeneous 
C) mesocrine 
D) endocrine 
E) paracrine

Question 15

Select the mismatched endocrine gland and its hormone.

Accepted Answer

A) adrenal cortex-aldosterone 
B) pancreas-insulin 
C) pineal gland-melatonin 
D) adrenal medulla-cortisol 
E) posterior lobe of pituitary gland-oxytocin 
A) adrenal cortex-aldosterone 
B) pancreas-insulin 
C) pineal gland-melatonin 
D) adrenal medulla-cortisol 
E) posterior lobe of pituitary gland-oxytocin

Question 16

Select the incorrect statement about hormones that can enter directly into cells.

Accepted Answer

A) Steroid hormones and thyroxine can enter directly into cells because of their lipophilic makeup. 
B) Water-soluble hormones can enter directly into cells because of their nonpolar status. 
C) Steroid hormones do not dissolve in the plasma and are thus transported with special protein carriers,which transport them to their target cells. 
D) Once entry into the cell is achieved,some of these hormones bind with specific receptor proteins in the cytoplasm and then can move as a hormone-receptor complex to the nucleus. 
A) Steroid hormones and thyroxine can enter directly into cells because of their lipophilic makeup. 
B) Water-soluble hormones can enter directly into cells because of their nonpolar status. 
C) Steroid hormones do not dissolve in the plasma and are thus transported with special protein carriers,which transport them to their target cells. 
D) Once entry into the cell is achieved,some of these hormones bind with specific receptor proteins in the cytoplasm and then can move as a hormone-receptor complex to the nucleus.

Question 17

All of the following are secreted by the anterior pituitary gland except

Accepted Answer

A) oxytocin. 
B) prolactin. 
C) thyroid-stimulating hormone. 
D) melanocyte-stimulating hormone. 
E) adrenocorticotropic hormonE. 
A) oxytocin. 
B) prolactin. 
C) thyroid-stimulating hormone. 
D) melanocyte-stimulating hormone. 
E) adrenocorticotropic hormonE.

Question 18

Which hormone initiates the stress response?

Accepted Answer

A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin 
A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin

Question 19

Which hormone helps regulate biological rhythms?

Accepted Answer

A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin 
A) glucocorticoids 
B) ephinephrine 
C) insulin 
D) glucagon 
E) melatonin

Question 20

What is the primary function of growth hormone?

Accepted Answer

A) initiates stress response 
B) raises blood glucose level 
C) lowers blood glucose level 
D) stimulates bone growth 
E) inhibits loss of calcium from bone 
A) initiates stress response 
B) raises blood glucose level 
C) lowers blood glucose level 
D) stimulates bone growth 
E) inhibits loss of calcium from bone

Exam 46: The Endocrine System

The hormone stimulating the milk-ejection reflex is called

Select the mismatched chemical category of a hormone and its example from the choices below.

Which of the following hormones is(are)absolutely essential for survival by humans?

The right atrium of the heart secretes atrial natriuretic hormone,which stimulates the kidneys to excrete salt and water in the urine.Atrial natriuretic hormone,therefore,acts antagonistically to

The hormone ________ sets the body's basal metabolic rate.

Stimulates production of testosterone.

Which is the best explanation for how ibuprofen works?

What is the primary function of the hormone oxytocin?

Which one of the following hormones is a glycoprotein?

What is the primary function of the parathyroid hormone?

Regulates level hormone of blood calcium.

Which one of the following does not represent a category of hormones?

Some intercellular regulatory molecules that exert only very local effects are called ________ regulators.

Select the mismatched endocrine gland and its hormone.

Select the incorrect statement about hormones that can enter directly into cells.

All of the following are secreted by the anterior pituitary gland except

Which hormone initiates the stress response?

Which hormone helps regulate biological rhythms?

What is the primary function of growth hormone?

The Science of Biology

The Nature of Molecules

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Cell Structure

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Energy and Metabolism

How Cells Harvest Energy

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How Cells Divide

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Genes and How They Work

Control of Gene Expression

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The Animal Body and Principles of Regulation

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