Which Statement Is Not Accurate About the Absolute Refractory Period

question 217

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:

Onions

Edible bulb vegetables known for their strong flavor and aroma, scientifically named Allium cepa.

Bundle Sheath Cells

Specialized cells located around the vascular bundles of plants, crucial in the process of photosynthesis, particularly in C4 plants.

Vascular Tissue

Plant tissue responsible for the transport of water, nutrients, and sugars throughout the plant body, comprising principally of xylem and phloem.

Stomata

Tiny openings or pores in plant leaves and stems that allow for gas exchange, facilitating photosynthesis and transpiration.