Cerebrospinal fluid is
A. clear and liquid.
B. red.
C. yellow in the CNS and clear in the PNS.
D. white and thick.
Answer: A
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The Frank-Starling mechanism of the heart states that an increased venous return will normally result in a higher heart rate.
Answer the following statement true (T) or false (F)
The figure is a process figure of the chemical synapse. What does "D" represent?
A. Voltage-gated Ca2+ channel B. Synaptic vesicle C. Presynaptic terminal D. Synaptic cleft E. Postsynaptic membrane
What structure consists of myosin?
A) Thin filament B) Thick filament C) Endomysium D) Perimysium
Infection with the HIV virus occurs through
A) eating contaminated food. B) airborne droplets from coughs and sneezes. C) intimate contact with an infected person's body fluids. D) casual contact with an infected individual. E) sharing clothes with an infected individual.