Which statement about a graded potential is false?

a. It can be a depolarization.
b. It can be a hyperpolarization.
c. It can be summated.
d. It has a refractory period.
e. It occurs in a specialized area of the membrane.


D

Anatomy & Physiology

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Which of the following occur as stroke volume increases?

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The diffusion of Ca2+ into a smooth muscle cell does not depolarize the membrane so no action potential occurs.

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