Which of the Following Statements Are True of a Nerve

question 26

Multiple Choice

Which of the following statements are true of a nerve impulse? (Read carefully and select all of the correct statements.)

• A)Depolarization is the reversal of charges on either side of the neuron membrane.
• B)The entry of Na⁺ ions brings about depolarization of a neuron.
• C)During repolarization,the negative charge is restored to the outside of the neuron membrane.
• D)The entry of K⁺ ions brings about repolarization.
• E)An action potential is polarization followed by depolarization.
• F)The maximum speed of a nerve impulse is about 2 feet per second.

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Definitions:

Radiologic Examination

A radiologic examination involves the use of imaging techniques such as X-rays, MRI, or CT scans to diagnose diseases and conditions inside the body.

Nasal Bones

A pair of small oblong bones that form the bridge of the nose and provide structure and support to the nasal cavity.

ICD-9

International Classification of Diseases, Ninth Revision; a system used to classify and code diagnoses, symptoms, and procedures recorded in conjunction with hospital care.

Anesthesia

The administration of drugs or agents to induce a state of temporary loss of sensation or consciousness, used during medical procedures to eliminate pain.