Cells of the Sinoatrial Node __________ During the Pacemaker Potential

question 23

Multiple Choice

Cells of the sinoatrial node __________ during the pacemaker potential.

• A) depolarize fast
• B) depolarize slow
• C) repolarize slow
• D) repolarize fast
• E) depolarize slow and repolarize fast

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Definitions:

Crenation

Crenation describes the process where cells lose water in a hypertonic solution, resulting in a shrunken, scalloped appearance typically observed in red blood cells.

Salt Solution

A mixture of salt (typically sodium chloride) and water, used in various scientific and medical applications.

Pinocytosis

A form of endocytosis in which cells engulf and internalize fluid along with dissolved substances.

Vesicles

Small membrane-bound sacs in cells used for the transport, storage, and digestion of substances.