What type of hormone usually travels in the blood plasma bound to a protein?
A) free hormones B) hydrophilic hormones
C) neurotransmitters D) hydrophobic hormones
Answer: D
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Which variables affect the filtration coefficient? select all that apply.
a) the amount of sodium in the blood b) permeability of the filtration membrane c) the level of hydration d) the surface area available for filtration
Which of the following effectors is NOT controlled by the autonomic nervous system?
A) skeletal muscle B) smooth muscle C) cardiac muscle D) glands
What physiological process occurs in the structure labeled "7"?
A. release of neurotransmitter
B. activity of acetylcholinesterase
C. release of protein and calcium ions into the muscle fiber
D. opening of sodium channels and subsequent influx of sodium
E. conduction of the action potential into the cell interior
Oxygen and carbon dioxide pass across the alveocapillary membrane through a process called:
A. diffusion. B. osmosis. C. perfusion. D. metabolism.