If a Nerve to an Isolated Heart Is Stimulated and the Heartbeat

question 24

Multiple Choice

If a nerve to an isolated heart is stimulated and the heartbeat slows,the most reasonable conclusion is that the heart

• A)is responding to a nerve control that inhibits heartbeat.
• B)is dying since nerves can only stimulate muscle action.
• C)is unaffected by the nerve but responding to some unknown chemical factor.
• D)is normal as all nerve stimulation results in decreased muscle activity.
• E)None of the choices is correct.

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Definitions:

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A structure with a roof and walls, such as a house, school, or factory, constructed as a place for people to live, work, or carry out activities.

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A change made to a financial record to correct or update the information.

Supplies

Items used in the operation of a business that are not directly associated with the products or services being sold, such as office supplies.

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An account that reduces the value of an asset account with which it is paired, used to account for allowances, depreciations, or impairments.