This is the transport process by which gases, like O2 and CO2, move through a membrane
a) osmosis
b) active transport
c) secondary active transport
d) simple diffusion
e) endocytosis
Answer: d
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The sensory (afferent) division of the peripheral nervous system
A. transmits action potentials to sensory organs. B. conveys action potentials to the CNS. C. stimulates glands to release hormones. D. stimulates muscle contractions. E. does not involve sensory receptors.
What metabolic effect would you expect if someone developed an autoimmune disease in which the person's interstitial cells were destroyed?
A. Testosterone production would plummet. B. Estrogen levels would decrease. C. Testosterone levels would soar. D. Estrogen levels would increase.
In the inflammatory response, clotting proteins form a clot. This action
A. phagocytizes microbes. B. produces edema. C. walls off foreign particles and microbes. D. stimulates pain receptors. E. increases the permeability of blood vessels.
The white communicating ramus carries which of the following?
A. Sympathetic postganglionic fibers to the effector organs B. Sympathetic preganglionic fibers to a sympathetic chain ganglion C. Parasympathetic preganglionic fibers from the dorsal root to a spinal nerve D. Sympathetic preganglionic fibers to a spinal nerve E. Sympathetic postganglionic fibers to a spinal nerve