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Biology, 6/e
Author Dr. George B. Johnson, Washington University
Author Dr. Peter H. Raven, Missouri Botanical Gardens & Washington University
Contributor Dr. Susan Singer, Carleton College
Contributor Dr. Jonathan Losos, Washington University
The Endocrine System

Multiple Choice Quiz

Please answer all questions



1

Which of the following is not an internal secretion?
A)pheromone
B)neurohormone
C)hormone
D)neurotransmitter
2

Two antagonistic hormones are
A)MSH and TSH
B)calcitonin and parathyroid hormone
C)ADH and GH
D)oxytocin and prolactin
3

ADH is synthesized in the
A)anterior pituitary
B)posterior pituitary
C)hypothalamus
D)thalamus
4

Which of the following is not produced by the human anterior pituitary gland?
A)prolactin
B)luteinizing hormone
C)follicle-stimulating hormone
D)oxytocin
5

The adrenal cortex produces only
A)polypeptides
B)steroids
C)amines
D)glycoproteins
6

Releasing hormones are produced by
A)the hypothalamus
B)the anterior pituitary
C)the posterior pituitary
D)the ovaries and testes
E)it depends on which releasing hormone you are talking about
7

Releasing hormones directly affect
A)the hypothalamus
B)the anterior pituitary
C)the posterior pituitary
D)the ovaries and testes
E)it depends on which releasing hormone you are talking about
8

Which two hormones in your body are absolutely essential for survival?
A)calcitonin and insulin
B)parathyroid hormone and aldosterone
C)estrogen and testosterone
D)somatotropin and cortisol
E)vasopressin and thyroxine
9

Which of the following statements about prostaglandins is true?
A)They are one of the types of target cells.
B)They are produced by endocrine glands.
C)They travel throughout the body by circulating in the blood.
D)All of the above are true.
E)None of the above is true.
10

Robert Wadlow grew to a gigantic size because of a tumor in his
A)adrenal glands
B)thyroid gland
C)hypothalamus
D)parathyroid glands
E)pituitary gland
11

The hypothalamus is connected to the anterior pituitary by
A)neural connections
B)sinuses
C)short blood vessels
D)membrane receptors
E)none of the above
12

The target tissue for luteinizing hormone is the
A)liver
B)kidneys
C)pancreas
D)thyroid gland
E)gonads
13

Which of the following hormones has no known function in mammals?
A)MSH
B)GnRH
C)PRL
D)calcitonin
E)vasopressin
14

Insulin and glucagon are produced in the
A)hypothalamus
B)anterior pituitary
C)liver
D)pancreas
E)adrenal gland
15

Type I diabetes mellitus is caused by a deficiency of
A)exercise
B)glucagon
C)glucose
D)glycogen
E)insulin
16

Epinephrine and norepinephrine are produced by the
A)anterior pituitary
B)pancreas
C)adrenal cortex
D)adrenal medulla
E)gonads
17

Epinephrine and norepinephrine are not only hormones, but are also
A)neurotransmitters in the somatic nervous system
B)neurotransmitters in the sympathetic nervous system
C)digestive enzymes
D)all of the above
E)none of the above
18

Which of the following is not a peptide hormone?
A)insulin
B)oxytocin
C)testosterone
D)ACTH
E)all of the above are peptide hormones
19

Which of the following is an example of an autocrine regulator?
A)insulin
B)prostaglandins
C)nitric oxide
D)all of the above
E)none of the above
20

Which endocrine gland develops from an outgrowth of the epithelium lining the roof of the mouth?
A)hypothalamus
B)pineal
C)anterior pituitary
D)posterior pituitary
E)salivary
21

What type of hormones enter their target cells, bind with a receptor protein, penetrate the nucleus, and influence the transcription of genes?
A)steroid hormones
B)peptide hormones
C)both of the above
D)none of the above
22

If your adrenal cortex was producing high levels of aldosterone, it would cause your urine to have
A)high Na+ and low K+ concentrations
B)low Na+ and high K+ concentrations
C)high Na+ and high K+ concentrations
D)low Na+ and low K+ concentrations
E)none of the above - aldosterone would not affect the urine
23

Which of the following statements is true?
A)One hormone can play different roles in different parts of the body.
B)One cell may use more than one second messenger.
C)both of the above
D)none of the above
24

Which of the following is not a steroid hormone?
A)thyroxine
B)cortisol
C)estrogen
D)progesterone
E)all of the above are steroid hormones
25

Lipophilic hormones are
A)water soluble
B)fat soluble
C)produced by exocrine glands
D)only produced after puberty
E)only produced during embryonic development
26

Aldosterone is derived from cholesterol. Which chemical class of hormones is aldosterone?
A)Amino acid derivative
B)Peptide
C)Steroid
D)Modified fatty acid
27

Which hormone(s) is/are released by the posterior pituitary?
A)Oxytocin
B)Thyroid-stimulating hormone
C)ACTH
D)Vasopressin (Antidiuretic hormone)
E)Both a and d.
28

Which of the following is true for calcitonin?
A)Promotes the formation of bone matrix.
B)It is produced by the thyroid gland.
C)Will decrease the absorption of calcium from the digestive tract.
D)Will stimulate osteoblast activity.
E)All of these are true.
29

Which of the following is not true for cortisol?
A)Cortisol is a glucocorticoid hormone.
B)Cortisol tends to elevate blood glucose levels.
C)Cortisol is produced by the adrenal medulla.
D)Cortisol promotes the conversion of noncarbohydrates into carbohydrates.
E)Cortisol is a steroid.
30

Which one of the following is not an advantage of chemical messengers over electrical signals?
A)Chemical molecules initiate faster responses.
B)Chemical molecules can spread to all tissues.
C)Chemical signals can persist longer.
D)Different chemicals can target different tissues.
E)All of the above are advantages.
31

Second messengers are triggered as a response to:
A)steroid hormones
B)anabolic steroids
C)peptide hormones
D)all of the above
E)none of the above
32

The essential hormone that regulates the level of calcium in your blood is produced by the:
A)adrenals
B)pituitary
C)hypothalamus
D)thymus
E)parathyroids
33

Which one of the following functions both as an endocrine gland and an exocrine gland?
A)adrenal glands
B)parathyroid glands
C)pancreas
D)pituitary gland
E)ovaries
34

A tropic hormone is a substance that stimulates another endocrine gland to secrete its hormones.
A)True
B)False
35

Calcitonin promotes the formation of bone matrix and decreases the serum calcium levels.
A)True
B)False
36

Protein kinases are enzymes which stimulate the production of second messenger molecules.
A)True
B)False








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