The Nervous System Can Distinguish Between a Light Touch and a Heavier

question 45

Multiple Choice

The nervous system can distinguish between a light touch and a heavier touch by

• A)saltatory conduction.
• B)continuous conduction of graded potentials.
• C)changing the frequency of impulses sent to sensory centers.
• D)propagation action potential in both directions.
• E)modifying the length of the refractory period.

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Definitions:

Diastolic Pressure

The blood pressure measured when the heart relaxes.

Tapping Sound

A light and often repetitive sound produced by hitting a surface with a small object or part of the body, like fingers.

Apnea

The absence of respiration.

Dyspnea

Difficult or painful breathing.