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Related Flashcards
Cards In This Set
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1) Which of the
following organs secrete hormones?
(1) pancreas
(2) liver
(3) brain
(4) suprarenal cortex
(5) suprarenal medulla
(6) thymus
(7) ovary
(8) testis
(9) thyroid gland
(10)pineal gland
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B)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
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2) Which of
the following is (are) a mineralocorticoid?
A)
thyroxine
B) ADH
C)
androgens
D) cortisol
E)
aldosterone
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E) aldosterone
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3) Most endocrine
reflexes are controlled by
A) the nervous system.
B) positive feedback.
C) autoregulation.
D) negative feedback.
E) all of the above.
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D) negative feedback.
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4) Which gland stores
its hormone extracellularly?
A) thyroid
B) kidney
C) suprarenal cortex
D) pancreas
E) pituitary
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A) thyroid
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5) A rise in the
concentration of electrolytes in the blood or a fall in blood volume or
pressure
causes the posterior
pituitary to release
A) growth hormone (GH).
B) antidiuretic hormone
(ADH).
C) luteinizing hormone
(LH).
D) oxytocin (OT).
E) adrenocorticotropic
hormone (ACTH).
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B) antidiuretic hormone(ADH).
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6) Which of the
following is an example of positive feedback?
A) release of PTH in
response to low calcium levels
B) ADH release due to
low blood pressure
C) release of insulin
in response to high blood sugar
D) release of insulin
in response to low blood sugar
E) release of oxytocin
in response to uterine contractions
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E) release of oxytocin in response to uterine contractions
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7) Subcutaneous
swelling, dry skin, hair loss, low body temperature, muscular weakness, and
slowed reflexes are
symptoms of
A) goiter.
B) insulin-
dependent diabetes mellitus.
C) ketoacidosis.
D) diabetes
insipidus.
E) none of the
above.
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E) none of theabove.
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8) Myxedema and
cretinism can result from the underproduction of
A) insulin.
B) estrogens.
C) androgens.
D) thymosin.
E) thyroxine.
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E) thyroxine.
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9) Changes in the
composition of extracellular fluid are called
A) hormonal stimuli.
B) endocrine
reflexes.
C) humoral stimuli.
D) neural stimuli.
E) none of the
above.
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C) humoral stimuli.
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10) What organ(s)
is(are) nervous in structure but endocrine in function?
A) suprarenal
medulla
B) posterior
pituitary
C) thyroid
D) anterior
pituitary
E) both A and B
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A) suprarenal
medulla
B) posterior
pituitary
E) both A and B
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11) The
conditions of polyuria, low blood volume, and high blood potassium
concentrations result
from the
underproduction of
A) testosterone.
B) thyroxine.
C) insulin.
D) estradiol.
E) aldosterone.
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E) aldosterone.
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12) Amino acid
derivative hormones and closely related compounds are structurally similar to
individual
amino acids, and include
A)
catecholamines and thyroid hormones.
B) melatonin.
C) lipids and
epinephrine.
D)
norepinephrine.
E) A and B
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A) catecholamines and thyroid hormones.B) melatonin.E) A and B
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13) Structurally
free nerve endings, root hair plexuses, and tactile discs are referred to as
A) encapsulated
receptors.
B)
unencapsulated receptors.
C)
proprioceptors.
D) pain
receptors.
E) crude touch
receptors.
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B) unencapsulated receptors.
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14) When a
person is exposed to painfully cold temperatures, why do the fingertips, toes,
nose, and
ear pinnae often
respond to the pain before other body regions?
A) Their greater
surface area to volume ratio causes them to lose heat faster.
B) Their
thermoreceptors have a lower threshold of sensitivity to cold.
C) These are the
only regions of the body with receptors for cold.
D) Both A and C
are true.
E) None of the above are true
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A) Their greater surface area to volume ratio causes them to lose heat faster.
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15) Older individuals
sometimes use large amounts of perfume because they lose their sense of smell;
this is related to
A) a decrease in
sensitivity of the olfactory cortex.
B) a decrease in the
number of olfactory receptors.
C) central adaptation.
D) sensory adaptation.
E) none of the above.
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B) a decrease in the number of olfactory receptors.
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