The Neurons in Noor's Arm Just Sent a Neural Impulse

question 192

Multiple Choice

The neurons in Noor's arm just sent a neural impulse. It will be 1-2 milliseconds before another neural impulse can be generated. What do we call this brief time increment, when another neural impulse cannot occur?

• A)resting potential
• B)absolute refractory period
• C)postsynaptic discharge
• D)all-or-none period

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Definitions:

Proximal Phalanx

The bone in the fingers or toes that is closest to the hand or foot, and forms the base of each digit.

Extensor Digiti Minimi

A muscle in the forearm that extends the little finger and, by its action, contributes to the extension and abduction of the hand at the wrist joint.

Median And Radial

Pertains to the median and radial nerves in the forearm that are involved in the movement and sensation of the hands and fingers.

Innervated

Supplied or stimulated by nerves, referring to organs or tissues that receive nerve fibers allowing them to function.