Where is the clavicular notch?
a) A
b) C
c) D
d) B
e) F
b
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The carotid __________ are baroreceptors in carotid arteries that respond to changes in blood pressure.
Fill in the blank(s) with the appropriate word(s).
The mastication center is located in the ________ of the brain.
A. medulla and pons B. solitary nucleus C. entorhinal cortex and basal nuclei D. hypothalamus E. hippocampus and amygdala
Why does a splenectomy lead to an increased risk of septicemia?
A. The spleen is a huge reservoir of monocytes. B. It can cause excessive phagocytosis of the formed elements. C. The spleen is pulpy and vascular, causing it to bleed easily. D. The spleen has a delicate capsule that is difficult to surgically repair.
As blood is pumped out of the heart and into the major arteries leaving the heart, it
A. pushes against the atrioventricular valves and opens them. B. fills the cusps of the semilunar valves, causing them to expand and block the backflow of blood C. pushes against the semilunar valves and opens them. D. fills the cusps of the atrioventricular valve causing opening of the bicuspid and closure of the tricuspid. E. pushes against the semilunar valves and closes them.