1) if a red blood cell (rbc) is placed in a 0.5% salt solution, which of the following
would occur?
1. water will move out of the rbc
2. rbc will hemolyze
3. rbc will crenate
4. water will enter the rbc
a) 1 and 3 only
b) 2 and 3 only
c) 1 and 2 only
d) 3 and 4 only
e) 2 and 4 only
2) the structure that forms the “roof” of the organ of corti is the
a) basilar membrane.
b) tectorial membrane.
c) stapedius.
d) perilymph.
e) endolymph.
3) tactile receptors composed of capsules that surround a core of collagen fibers
intertwined with dendrites are called
a) ruffini corpuscles.
b) lamellated corpuscles.
c) tactile (meissner) corpuscles.
d) tactile discs.
e) root hair plexuses.
4) excessive growth hormone prior to puberty could result in
a) osteoporosis.
b) osteopenia.
c) rickets.
d) giantism.
e) dwarfism.
5) which of the following will stimulate thirst?
a) drying the mucosa of the mouth and pharynx
b) angiotensin ii acting on the hypothalamus
c) an increase in the osmotic pressure of interstitial fluid within the hypothalamus
d) stimulation of osmoreceptors
e) all of the answers are correct.
6) which of the following layers of a vessel contains collagen fibers with scattered
bands of elastic fibers?
a) tunica intima
b) external elastic membrane
c) tunica media
d) internal elastic membrane
e) tunica externa
7) there are ________ pairs of cranial nerves.
a) 2
b) 6
c) 12
d) 22
e) 31
8) which of the following is not true about the pharynx?
a) shared by the integumentary and respiratory systems
b) nasopharynx is superior
c) oropharynx connects to oral cavity
d) laryngopharynx ends at esophagus opening
e) solids, liquids, and gases pass through
9) which of these is not one of the main divisions of the adult brain?
a) cerebrum
b) diencephalon
c) prosencephalon
d) midbrain
e) pons
10) which statement about hairs is false?
a) eyebrows are terminal hairs.
b) terminal hairs are in the axilla.
c) vellus hairs are on the limbs of children until puberty.
d) a terminal hair can detach but remain in the hair follicle as a club hair.
e) club hairs are ingrown hairs.
11)
figure 24-1 the stomach (dissected)
identify the structure labeled “7”
a) esophagus
b) cardia
c) lesser curvature
d) greater curvature
e) pylorus
12) glucocorticoids have which of the following effects on general peripheral tissues?
a) they decrease the use of glucose.
b) they increase gluconeogenesis.
c) they increase glycogenolysis.
d) they promote glucose synthesis.
e) all of the answers are correct.
13) the correct order of phases in cell division is:
a) prophase, interphase, anaphase, metaphase, telophase
b) telophase, anaphase, metaphase, interphase, prophase
c) interphase, prophase, anaphase, metaphase, telophase
d) interphase, prophase, metaphase, anaphase, telophase
e) metaphase, anaphase, interphase, prophase, telophase
14) most of the atp from metabolism is produced in the
a) citric acid cycle.
b) electron transport system.
c) cytosol.
d) mitochondrial matrix.
e) glycolysis.
15)
figure 28-2 the female reproductive system
in which structure does gestation occur?
a) 1
b) 4
c) 9
d) 11
e) 13