Which of the following substances is absorbed into the blood capillaries of the intestinal villi?
a. amino acids
b. fatty acids
c. glycerol
d. all of the above
a. amino acids
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What does the formula C6H12O6 mean?
A) The substance is a colloid. B) There are 6 calcium, 12 hydrogen, and 6 oxygen atoms. C) The molecular weight is 24. D) There are, 6 carbon, 12 hydrogen, and 6 oxygen atoms.
Which of the following does NOT describe graded potentials?
A) They are always depolarizing. B) They vary with the intensity of the stimulus. C) They are local changes. D) They are changes to the membrane potential.
The popliteal region is best seen from a(n) ________ view.
A. lateral B. posterior C. anterior D. inferior E. superior
What type of neuron is found entirely in the CNS?
A. Association neuron B. Interneuron C. Sensory neuron D. Both interneuron and association neuron are correct.