Technician a Says When an Accident Occurs, the Technician Should

question 166

Multiple Choice

Technician A says when an accident occurs, the technician should respond immediately to prevent further injury. Technician B says when an accident occurs, the technician should figure out the cause of the accident and correct the problem. Who is correct?

• A)A only
• B)B only
• C)Both A and B
• D)Neither A nor B

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Definitions:

Action Potential

A brief change in the electrical charge of a neuronal membrane; the physical basis of the signal that travels the length of the neuron.

Excitation Threshold

The voltage difference between a neuron’s interior and exterior that, if exceeded, causes the neuron to fire.

Action Potential

A temporary reversal of electric polarization of the membrane of a nerve cell or muscle cell, involved in the transmission of signals.

Nodes of Ranvier

Gaps in the myelin sheath of nerve fibers that facilitate the rapid conduction of electrical impulses along the neuron.