What ensures the one-way propagation of an action potential away from the initial site of activation?
a. The refractory period
b. The activation period
c. The rest period
d. The salutatory period
e. The electrical period
a
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The primary problem in hyperkalemia is
A) that neurons are harder to excite because their resting potential is hyperpolarized. B) that neurons are hyperexcitable because their resting potential is closer to threshold. C) neurons are hyperexcitable because their resting potential is closer to threshold and neurons respond too quickly to smaller graded potentials. D) that neurons respond too quickly to smaller graded potentials. E) neurons are harder to excite because their resting potential is hyperpolarized and neurons respond too quickly to smaller graded potentials.
Each taste bud has a small opening, the ____________________, through which fluids in the mouth come into contact with the surface of its receptor cells
Fill in the blank(s) with correct word
Distinguish between a complete protein and an incomplete protein
What will be an ideal response?
Which of the following is a result of increased sympathetic stimulation of vascular smooth muscle?
A. Filtration of fluid from capillaries to interstitial fluid increases. B. Total peripheral resistance (TPR) decreases. C. The percentage of blood volume in the veins increases. D. Blood flow to the brain decreases. E. Venous return of blood to the heart increases.