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1) match the response to the description.
a. increase
b. decrease
c. no change
mean arterial pressure during exercise
2) diacylglycerol is produced from
a) cyclic amp.
b) phospholipase c.
c) a g protein.
d) protein kinase a.
e) phosphatidylinositol bisphosphate.
3) a graded change in membrane potential within a sensory receptor cell is always
called a(n)
a) depolarization.
b) hyperpolarization.
c) action potential.
d) receptor potential.
4) water reabsorption by the kidneys is a result of
a) both passive and active transport processes.
b) cotransport with ions.
c) exchange with ions.
d) osmosis.
5) periodic pulsatile secretion of gnrh appears to be important in
a) delaying sexual maturation and puberty.
b) preventing down-regulation of gnrh receptors.
c) development of muscle responses.
d) correct growth of coronary arteries.
6) movement of material between cells is known as the ________ pathway.
a) transcellular
b) paracellular
c) metacellular
d) transendothelial
e) cisendothelial
7) 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 center of an off-center visual field.
8) the spatial arrangement of amino acids; can be a helix or a pleated sheet
a. primary
b. secondary
c. tertiary
d. quaternary
9) ________ capillaries are very porous and allow high volumes of fluids to pass
through them, whereas ________ capillaries consist of more tightly joined cells that
allow a high degree of selective materials to pass.
a) fenestrated, transcytotic
b) continuous, fenestrated
c) transcytotic, continuous
d) fenestrated, continuous
e) transcytotic, fenestrated
10) match the immunoglobulin to its description.
a. iga
b. igm
c. igg
d. igd
e. ige
crosses the placenta
11) high carbon dioxide concentration in body fluids is called
a) carbonation.
b) hyperdioxia.
c) hyperoxia.
d) hypercarbia.
e) hypercapnia.
12) match the type of reflex to its description.
a. somatic
b. autonomic
c. spinal
d. cranial
e. innate
f. acquired
g. polysynaptic
reflexes that one is born with; genetically determined
13) inside the matrix of the mitochondria, pyruvate
a) is converted to acetyl coa which requires energy from an nadh.
b) gains a carbon in its conversion to acetyl coa.
c) requires the vitamin pantothenic acid for its conversion to acetyl coa.
d) is converted to lactate under anaerobic conditions.
14) prolonged vomiting of the stomach's contents can result in
a) respiratory acidosis.
b) respiratory alkalosis.
c) metabolic acidosis.
d) metabolic alkalosis.
e) none of the answers are correct.
15) describe the composition and function of the extracellular matrix.
16) explain how enzymes can be useful in the diagnosis of disease, giving specific
examples. is the change in enzyme concentration a direct or indirect result of the
disease?
17) list the key concepts or themes in physiology.
18) the ________ molecules which form the bilayer region of the cell membrane exhibit
hydrophilic properties on the outer surface and hydrophobic properties on the inner
surface.
19) the graph below was generated by students in a physiology lab. the top trace
(myogram) shows contraction force, the bottom (emg) shows the electrical stimulus. on
the graph, label a muscle twitch. what property of muscle is being tested here? what
caused the increase in force (and subsequent decrease)?
20) describe the four classes of membrane receptor molecules.
21) define osmolarity and tonicity. how are they similar? how are they different?
22) distinguish between adequate stimulus, threshold stimulus, and perceptual
threshold.
