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1) match the ganglion cell response to the location of the light stimulus.
a. fully excited
b. fully inhibited
c. weak response
light only shines on the surround of an off-surround visual field.
2) the central opening in the eye through which the light passes on to the retina is the
a) conjunctiva.
b) cornea.
c) pupil.
d) lens.
e) fovea.
3) match the specific receptor to its typical stimulus.
a. free nerve ending
b. merkel receptor
c. meissner's corpuscle
d. ruffini corpuscle
e. pacinian corpuscle
stretch
4) how many grams of nacl, m.w. 58.5 daltons, are the molar equivalent to 90 g of
glucose (m.w. 180 daltons)?
a) 0.25
b) 0.5
c) 29.25
d) 117
e) 14.6
5) match the specific receptor to its typical stimulus.
a. free nerve ending
b. merkel receptor
c. meissner's corpuscle
d. ruffini corpuscle
e. pacinian corpuscle
texture
6) 100 mg/dl is a typical blood concentration of glucose. the molecular weight of
glucose is approximately 180 daltons. what is the molarity of this solution in
millimoles?
a) 100
b) 10
c) 0.56
d) 18
e) 5.6
7) when comparing complete tetanus with unfused (incomplete) tetanus, which is true?
a) complete tetanus involves some relaxation between twitches.
b) complete tetanus involves development of maximum tension.
c) complete tetanus occurs at a lower frequency of stimulation than unfused tetanus.
d) complete tetanus would occur when there is more time between twitch contractions.
8) the gastric phase of gastric secretion is triggered by
a) the sight, thought, or smell of food.
b) the entry of food into the stomach.
c) the entry of chyme into the small intestine.
d) the entry of chyme into the large intestine.
e) the release of cholecystokinin and secretin by the small intestine.
9) which of the following are considered differences between endocrine and neural
control systems?
a) specificity
b) nature of the signal
c) speed
d) duration of action
e) all of the answers are correct.
10) match the following plasma proteins with the correct function.
a. albumins
b. globulins
c. fibrinogen
d. transferrin
e. antibodies
a category that includes clotting factors and enzymes
11) the inside of a resting cell is slightly negative relative to the outside. this is an
example of
a) electrical disequilibrium.
b) osmotic equilibrium.
c) chemical disequilibrium.
d) failed homeostasis.
12) match the following plasma proteins with the correct function.
a. albumins
b. globulins
c. fibrinogen
d. transferrin
e. antibodies
help(s) defend the body against germs
13) hormones are not typically considered to be cytokines because hormones are
________ like cytokines.
a) synthesized in advance and stored, not
b) not peptides
c) not effective in small amounts
d) secreted into the blood, not
e) secreted by cells, not
14) match these functions with the correct brain area.
a. medulla oblongata
b. pons
c. midbrain
d. reticular formation
contains corticospinal tracts, the pyramids, and control centers for breathing,
swallowing, and blood pressure
15) which of the following would cause the crossbridge to transition from a high force
state to a low force state?
a) increasing myosin atpase activity
b) increasing intracellular calcium
c) decreasing intracellular calcium
d) energizing the myosin head
e) decreasing myosin atpase activity
16) these cns glial cells may be a source of treatment for neural degenerative disorders.
a) schwann cells
b) astrocytes
c) microglia
d) oligodendrocytes
e) ependymal cells
17) with the photoreceptor already stimulated with a moderate light intensity, a(n)
________ in light intensity is required to open more sodium channels.
18) compare and contrast the effectiveness of the immune response to bacterial and
viral infection.
19) list and explain two ways hormones affect their targets.
20) the ________ cells of the distal nephron are interspersed among the principal cells
and contribute to acid-base regulation.
21) draw a motor neuron, being sure to include and label the following parts: axon(s),
dendrite(s), cell body, axon collateral(s), axon terminal(s), myelin sheath, and other
components as applicable.
