1) menstruation is triggered by a drop in the levels of
a) fsh.
b) lh.
c) relaxin.
d) progesterone.
e) inhibin.
2) the uterine phase that develops because of a fall in progesterone levels is
a) the menses.
b) the proliferative phase.
c) the secretory phase.
d) the follicular phase.
e) the luteal phase.
3) the condition known as seasonal affective disorder (sad) may be caused by
a) increased levels of melanin.
b) increased levels of melatonin.
c) increased levels of melanocyte-stimulating hormone.
d) increased levels of gonadotrophins.
e) decreased levels of testosterone.
4) thyroxine and calcitonin are secreted by the
a) kidneys.
b) heart.
c) thyroid gland.
d) gonads.
e) pituitary gland.
5) the ciliary muscle contracts to
a) control the amount of light reaching the retina.
b) adjust the shape of the lens for distant vision.
c) adjust the shape of the lens for near vision.
d) control the production of aqueous humor.
e) adjust the shape of the cornea and vitreous.
6) the clitoris
a) is derived from the same embryonic structures as the penis in males.
b) engorges with blood during sexual arousal.
c) is topped by a small erectile glans.
d) contains erectile tissue comparable to the corpora cavernosa of the penis.
e) all of the answers are correct.
7) during abdominal surgery, the surgeon makes a cut lateral to the linea alba. the
muscle that would be cut is the
a) digastric.
b) external abdominal oblique.
c) rectus abdominis.
d) scalenus.
e) splenius.
8) for erection to occur
a) there must be sufficient blood hydrostatic pressure.
b) the sacral spinal cord must be intact.
c) nitric oxide must be present.
d) blood flow to the penis must increase.
e) all of the answers are correct.
9) the most abundant mineral in the human body is
a) sodium.
b) potassium.
c) phosphorus.
d) calcium.
e) hydrogen.
10) vickie has a tumor that secretes excess amounts of the hormone aldosterone.
because of the elevated level of hormone, she exhibits
a) decreased blood volume.
b) increased blood pressure.
c) increased body stores of sodium ion.
d) polycythemia.
e) both an increase in blood pressure and an increase in stored sodium ion.
11) the heart beats approximately ________ times each day.
a) 1,000
b) 10,000
c) 100,000
d) 1,000,000
e) 10,000,000
12) mental and physical sluggishness and low body temperature may be signs of
a) hyperthyroidism.
b) hypothyroidism.
c) hyperparathyroidism.
d) hypoparathyroidism.
e) diabetes insipidus.
13) a person whose platelet count is 40,000/l is suffering from
a) thrombocytosis.
b) leukocytosis.
c) hemocytosis.
d) thrombocytopenia.
e) leukopenia.
14) carbohydrates, lipids, and proteins are classified as
a) organic molecules.
b) inorganic molecules.
c) acids.
d) salts.
e) bases.
15)
figure 29-1 early human development
what is the developmental fate of “9”?
a) forms the embryo
b) forms the trophoblast
c) forms the chorion
d) forms the placenta
e) forms the decidua parietalis
16) in which plexus does the ulnar nerve arise?
a) cranial
b) cervical
c) brachial
d) lumbar
e) sacral
17) the vein in the arm commonly sampled for blood by venipuncture is the ________.
18) after menopause, the production of two pituitary hormones increases. they are fsh
and ________.
19) cilia and flagella contain 9 pairs of ________ surrounding a central pair.
20) the movement of rotating a limb outward is called ________.
21) arterioles feed blood into ________.
22) there are normally a total of ________ primary teeth.
23) what are differences and similarities between “crude” touch and “fine” touch
sensations?
24) the intracellular protein ________ binds calcium ion. this complex can then activate
enzymes.