A Certain Drug Decreases Heart Rate by Producing Hyperpolarization in the Pacemaker

question 155

Multiple Choice

A certain drug decreases heart rate by producing hyperpolarization in the pacemaker cells of the heart.This drug probably binds to

• A) nicotinic receptors.
• B) muscarinic receptors.
• C) alpha adrenergic receptors.
• D) beta receptors.

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Definitions:

Nonemployee Agent

An individual or entity who acts on behalf of another, but is not considered an employee.

Principal's Liability

Principal's liability is a legal concept where the principal (employer) is held responsible for the actions of their agents or employees performed within the scope of their employment.

General Rule

A principle or guideline that applies broadly or is commonly accepted as a basis for decision-making.

Implied Authority

The power assumed to be held by an agent as it is necessary to carry out his or her express authority.