What is the most important means by which capillary exchange occurs?
A. Facilitated diffusion
B. Diffusion
C. ATP powered pumps
D. Exocytosis
Answer: B
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What two structures merge to form a zygote?
A) Sperm and an ovum B) Sperm and a secondary oocyte C) Spermatocyte and a secondary oocyte D) Spermatid and an ovum
What are the highly sensitive cells within the hypothalamus that react to changes in blood composition and cause the release of antidiuretic hormone (ADH) when appropriate?
A) thermoreceptors B) baroreceptors C) mechanoreceptors D) osmoreceptors
The apical beat can best be heard:
a. in the space between the third and fourth rib b. on a line even with the midpoint of the left clavicle c. in the space between the fifth and sixth rib d. both B and C above
The fissure separating the cerebrum from the cerebellum is the
A. longitudinal. B. sylvian. C. transverse. D. central. E. lateral.