The Phase Following Firing During Which a Neuron's Action Potential

question 202

Multiple Choice

The phase following firing during which a neuron's action potential cannot be triggered is called the

• A)relative refractory period.
• B)refractory period.
• C)resting potential.
• D)all-or-none period.

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Definitions:

Oxytocin

Hormone secreted by the hypothalamus and released by the posterior lobe of the pituitary gland; stimulates contraction of the pregnant uterus and the ducts of mammary glands.

Suprachiasmatic Nucleus

Main biological clock; located in the hypothalamus. Important in setting circadian rhythms.

Pineal Gland

Endocrine gland located in the brain.

Cerebral Cortex

The outer layer of neural tissue of the cerebrum of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.