The figure illustrates the autonomic reflexes and the heart. What does "B" represent?
A. sympathetic nerve
B. increase in blood pressure detected by carotid baroreceptors
C. glossopharyngeal nerve
D. decrease in blood pressure detected by carotid baroreceptors
E. vagus nerve
E
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The rectus femoris is in the arm
Indicate whether the statement is true or false.
What technique is used to best control a cat by using the dominant hand to grasp the skin over the neck?
What will be an ideal response?
The ________ carry blood toward the lungs.
A. aorta and pulmonary arteries B. superior and inferior venae cavae C. pulmonary arteries and veins D. pulmonary trunk and veins E. pulmonary trunk and arteries
John is a sprinter who specializes in quick and powerful bursts of speed followed by periods of rest. Jim is a marathon runner who specializes in long, steady runs. Compared to Jim, John is likely to have:
A. legs with a larger diameter. B. legs with a smaller diameter. C. hypertrophy of type I muscle fibers. D. a higher density of capillaries in his legs. E. lower concentrations of glycolytic enzymes in his leg muscles.