Which statement best describes rapid depolarization?

A) The membrane rapidly depolarizes at the site of stimulation causing a firing threshold that is followed by displacement of the calcium ions.
B) The membrane rapidly depolarizes once the firing threshold has been achieved allowing a flood of sodium ions into the axoplasm.
C) The membrane rapidly depolarizes along the entire nerve until the strength of the stimulus increases enough to cause an impulse.
D) The membrane rapidly depolarizes following the refractory resting state.


B

Health Professions

You might also like to view...

Which of the following is used as the traditional approach to breaching a brick wall?

A. Axe B. Crow bar C. Sledgehammer D. Battering ram

Health Professions

A sudden drop in blood pressure when moving from a lying down or sitting position to an upright or standing position, causing a loss of balance, is:

a. Recumbent hypertension b. Claudication c. Orthostatic hypotension d. Diaphoresis

Health Professions

________ dosimeters use aluminum oxide crystals that can detect radiation levels as low as 1 mrem.

Fill in the blank(s) with the appropriate word(s).

Health Professions

The following is legally required to be on the prescription label, EXCEPT the

A) pharmacy name B) pharmacy address C) patient's address D) patient's name

Health Professions