Which Statement Is Not Accurate About the Absolute Refractory Period

question 112

Multiple Choice

Which statement is not accurate about the absolute refractory period?

• A) Another stimulus, regardless of its strength, cannot initiate another action potential during this period.
• B) During this period, voltage-gated Na⁺ channels open, then close but are inactivated.
• C) Immediately following this period, the membrane can experience another action potential if the stimulus is strong enough.
• D) This period occurs during the after hyperpolarization phase of the action potential.
• E) This period ensures a unidirectional spread of the action potential down a nerve fiber.

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Definitions:

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution without violating any constraints.

Flake Size

Flake size refers to the dimensions of individual flakes within a material, often critical in determining the material's properties and applications.

Tree Species

Types or kinds of trees, characterized by distinct genetic traits or botanical classifications.

Tension Modulus

A measure of a material's stiffness or resistance to deformation under tension.