The Primary Reason Why Neurons Are Refractory for a Short

question 44

Multiple Choice

The primary reason why neurons are refractory for a short period after firing action potentials, and the reason underlying the absolute refractory period, is that the

• A)voltage-gated sodium channels are inactivated.
• B)voltage-gated potassium channels are inactivated.
• C)sodium-potassium pump has to remove sodium ions from inside the cell.
• D)sodium-potassium pump has to retrieve potassium ions from outside the cell.

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Definitions:

Talking Cure

A general term for psychotherapeutic methods that use dialogue between the therapist and the patient to treat psychological disturbances.

Josef Breuer

An Austrian physician and physiologist noted for his key role in the early development of psychoanalysis alongside Sigmund Freud.

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Behavioural

Relating to or concerned with the actions or activities of living organisms in response to external or internal stimuli.