Max returns to his dorm room late at night to find his roommate throwing up. The smell
is at first so bad that Max wants to vomit too, but after helping his roommate clean up,
the odor seems to fade. Max has experienced
A) a hallucination.
B) damage to his sensory receptors.
C) sensory adaptation.
D) a response to the decreasing concentration of odorant molecules in the room.
C
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Which is NOT typically a step in the cAMP second-messenger system?
A. A first messenger binds to a transmembrane receptor. B. Active cAMP-dependent protein kinase phosphorylates cell proteins. C. Adenylyl cyclase converts ATP into cAMP. D. There is dissociation of G-protein subunits. E. An activated G-protein subunit phosphorylates cAMP-dependent protein kinase.
Which of the following is correct regarding acclimatization?
A) At high altitudes, hemoglobin's affinity for O2 is increased because BPG concentrations increase. B) High-altitude conditions always result in lower-than-normal hemoglobin saturation levels because less O2 is available to be loaded. C) Decreases in arterial PO2 cause the peripheral chemoreceptors to become less responsive to increases in PCO2. D) When blood O2 levels decline, the kidneys produce more erythropoietin, which stimulates breakdown of red blood cells in the spleen.
The transition from a hunter-gatherer to an agricultural lifestyle greatly changed the types
of diseases and injuries that early peoples suffered. Indicate whether the statement is true or false
When discharging a client and patient, which is NOT necessary for the veterinary assistant to check?
a. that the discharge instructions are clear b. that the client has all the prescribed medications c. that the client has made a follow up appointment, if necessary d. the veterinary assistant should check all of these items