If the Vagal Nerves to the Heart Were Cut, the Result

question 85

Multiple Choice

If the vagal nerves to the heart were cut, the result would be that _.

• A) the AV node would become the pacemaker of the heart
• B) the heart would stop, since the vagal nerves trigger the heart to contract
• C) the heart rate would increase by about 25 beats per minute
• D) parasympathetic stimulation would increase, causing a decrease in heart rate

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Definitions:

Salivation

The production and release of saliva in the mouth, often in response to the sight, smell, or taste of food.

Sound of a Tone

A specific auditory perception characterized by a steady frequency or pitch, distinguishable from noise by its consistency and musical quality.

Acquisition

In classical conditioning, the initial stage, when one links a neutral stimulus and an unconditioned stimulus so that the neutral stimulus begins triggering the conditioned response.

Electric Shock

A sudden discharge of electricity through a part of the body, which can cause damage or stimulation.