Pulmonary vascular resistance increases during hypoxia; how would you expect it to be influenced during exercise?
A. decreases
B. initially stays the same and then increases with time
C. increases
D. stays the same; not influenced
ANS: A
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Which of the following body parameters is NOT homeostatically maintained?
a. concentration of blood sugar b. concentration of dissolved gases c. blood volume d. blood pressure e. urine volume
The function of the Golgi apparatus is
A. packaging and distribution of proteins and lipids. B. production of microtubules. C. DNA replication. D. energy production. E. excretion of excess salt.
In the process of tissue repair, which of the events listed below occurs last?
A. Fibroblasts migrate to the area. B. An inflammatory response occurs. C. Granulation tissue develops. D. The wound fills with blood and a clot forms. E. A scab forms to seal the wound.
The figure is a process figure of the chemical synapse. What does "E" represent?
A. Presynaptic terminal B. Synaptic vesicle C. Synaptic cleft D. Voltage-gated Ca2+ channel E. Postsynaptic membrane