Baron von Quacko, famous tag-team heavyweight wrestler, has a famous "sleeper hold" that he uses on opponents. Using only a single digit on each hand, he presses on his opponent's neck (while he has them in a full nelson) until his opponent passes out. What are the structures on which he is pressing, and what is the effect?
A. subclavian arteries; blood flow is stopped
B. carotid bodies; chemoreceptors stimulated and blood pressure decreased
C. baroreceptors in carotid sinus; peripheral vasodilation, decreased heart rate
D. vertebral arteries; blood flow to brain is stopped
Ans: C. baroreceptors in carotid sinus; peripheral vasodilation, decreased heart rate
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F the hematocrit is 40, then the volume occupied by the
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