1) which of the following structures is the richest in lipid content?
a. gray matter
b. white matter
c. arachnoid mater
d. dura mater
e. pia mater
2) in order to regenerate, a peripheral nerve fiber must have which of the following?
a. all dendrites intact
b. at least half the length of the fiber intact
c. at least the entire axon and neurilemma intact
d. the soma and at least some neurilemma intact
e. at least part of the soma intact
3) most strokes and heart attacks are caused by the abnormal clotting of blood in an
unbroken vessel. moreover, a piece of the __________ (clot) may break loose and begin
to travel in the bloodstream as a(n) __________.
a. thrombus; embolus
b. embolism; thrombus
c. plaque; thrombus
d. thrombosis; plaque
e. plaque; embolus
4) what type of neural circuit is best for producing a prolonged output?
a. a converging circuit
b. a diverging circuit
c. a reverberating circuit
d. a presynaptic pool
e. an autonomic pool
5) which of these blood hormone levels reaches its maximum during the luteal phase?
a. gnrh
b. fsh
c. lh
d. progesterone
e. estradiol
6) when does an ovum finish meiosis?
a.during fertilization
b.during implantation
c.while ina secondary follicle
d.while ina primary follicle
e.while ina tertiary follicle
7) which of the followingcorrectly traces blood flow from the renal artery into the renal
cortex?
a.arcuate a. → interlobar a. → afferent arteriole → interlobular a.
b.interlobar a. → interlobular a. → segmental a. → arcuate a.
c.segmental a. → interlobar a. → arcuate a. → interlobular a.
d.afferent arteriole → interlobular a. → arcuate a. → interlobar a.
e.segmental a. → arcuate a. → interlobar a. → interlobular a.
8) the antagonist to the triceps brachii is the __________.
a. deltoid
b. anconeus
c. biceps brachii
d. supinator
e. teres minor
9) what is the quickest physiological mechanism for achieving moderate heat loss?
a. convection
b. cutaneous vasoconstriction
c. nonshivering thermogenesis
d. cutaneous vasodilation
e. diaphoresis
10) which of the following is true concerning isotonic eccentric contraction?
a. the muscle shortens but tension remains constant.
b. the muscle lengthens but tension remains constant.
c. the muscle tenses and shortens.
d. the muscle tenses but length remains unchanged.
e. the muscle lengthens and tension declines.
11) the appearance of pubic and axillary hair is characteristic of which stage of puberty?
a. menopause
b. climacteric
c. thelarche
d. pubarche
e. menarche