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Multiple Choice Quiz
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1
A hormone is a chemical messenger that produces specific responses in
A)all body cells.
B)only cells of internal organs.
C)only cells with receptors for that hormone.
D)only cells adjacent to the endocrine gland secreting the hormone.
2
________ hormones enter a cell’s nucleus and bind with a receptor to form a ________, which activates specific genes.
A)Steroid; receptor-hormone complex
B)Non-steroid; receptor-hormone complex
C)Steroid; DNA-mRNA complex
D)Non-steroid; DNA-mRNA complex
3
________ hormones bind to a receptor on the ________, which releases an enzyme that converts ATP into cAMP.
A)Steroid; nuclear membrane
B)Nonsteroid; nuclear membrane
C)Steroid; plasma membrane
D)Nonsteroid; plasma membrane
4
Hormones secreted by the ________ gland regulate the metabolic rate and promote protein synthesis in body cells.
A)anterior lobe of the pituitary
B)posterior lobe of the pituitary
C)thyroid
D)pancreas
5
The primary mechanism controlling the secretion of most hormones is
A)negative feedback.
B)positive feedback.
C)cAMP.
D)ATP.
6
Special neurons in the hypothalamus control the release of hormones from the _______ gland.
A)pineal
B)pituitary
C)thyroid
D)pancreas
7
TSH is secreted by the ________ gland and stimulates hormone secretion by the ________ gland.
A)anterior lobe of the pituitary; thymus
B)posterior lobe of the pituitary; thymus
C)anterior lobe of the pituitary; thyroid
D)posterior lobe of the pituitary; thyroid
8
The secretion of ________ by the posterior pituitary gland is the only hormone controlled by ________ .
A)antidiuretic hormone; positive feedback
B)oxytocin; positive feedback
C)oxytocin; negative feedback
D)antidiuretic hormone; negative feedback
9
The hormone ________ lowers blood calcium levels by stimulating calcium deposition in bones, but the hormone ________ has the opposite effect.
A)parathormone; calcitonin
B)glucagon; insulin
C)parathormone; glucagon
D)calcitonin; parathormone
10
Epinephrine and norepinephrine secretion by the ________ prepare the body to meet emergencies.
A)parathyroid glands
B)pancreas
C)adrenal medulla
D)adrenal cortex
11
________ is the hormone secreted by the adrenal cortex that stimulates the kidneys to retain ________ ions and maintain the concentration of mineral ions and water in the blood.
A)Aldosterone; sodium
B)Cortisol; glucose
C)Parathormone; calcium
D)Aldosterone; potassium
12
The hormone ________ increases glucose concentration in blood, but the hormone ________ has the opposite effect.
A)insulin; glucagon
B)glucagon; insulin
C)parathormone; calcitonin
D)glucagon; cortisol
13
The hormone _________ stimulates movement of glucose into body cells and the conversion of excess glucose into glycogen.
A)cortisol
B)glucagon
C)epinephrine
D)insulin
14
The hormone responsible for the development of female sex organs is ________, which is controlled by follicle stimulating hormone secreted by the ________.
A)progesterone; ovary
B)estrogen; ovary
C)progesterone; anterior lobe of the pituitary
D)estrogen; anterior lobe of the pituitary
15
The hormone that seems to control wake-sleep cycles is _________ produced by the ________ gland.
A)melatonin; posterior lobe of the pituitary
B)thymosin; thymus
C)melatonin; pineal
D)growth hormone; anterior lobe of the pituitary





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