What is the barrier between plasma and interstitial fluid?
a. blood vessel walls
b. the skin
c. cell membrane
d. interstitial space
e. spinal canal
a
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Articular surfaces called occipital __________ lie on either side of the foramen magnum and facilitate nodding of the head.
Fill in the blank(s) with the appropriate word(s).
Hormones that slow tumor growth are called
A) transferrins. B) tumor necrosis factors. C) interferons. D) radiation agents. E) chemotherapins.
Which is not a reason gas exchange is efficient at the blood air barrier?
A) Partial pressure differences are substantial. B) Distance is short. C) Surface area is large. D) Gap junctions facilitate fast movement. E) Gases are lipid soluble.
The end of the aorta occurs when the vessel bifurcates into the
A. brachiocephalic artery. B. subclavian arteries. C. common carotid arteries. D. common iliac arteries.