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

---

Definitions:

Classical Conditioning

A type of learning described by the Russian physiologist Ivan Pavlov (1849–1936). In classical conditioning, a response is transferred from one stimulus to another. John B. Watson, an early behaviorist, took the view that classical conditioning was the basis for human behavior, including abnormal behavior. See also operant conditioning.

Animal Models

Non-human species used in research to understand biological and psychological processes and to test hypotheses about diseases or behaviors.

Drug Use

The act of consuming drugs or substances in a manner that can range from legal and medicinal to illegal and recreational.