Which Ion Channel Opens in Response to a Change in Membrane

question 94

Multiple Choice

Which ion channel opens in response to a change in membrane potential and participates in the generation and conduction of action potentials?

• A) mechanically gated channel
• B) ligand- gated channel
• C) voltage- gated channel
• D) leakage channel

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Definitions:

Maximum Heart Rate

The highest number of beats per minute a heart can achieve during maximum physical exertion, varying by age.

Catabolism

The breakdown of complex molecules in living organisms to form simpler ones, accompanied by the release of energy.

Anaerobic Exercise

Physical activity that increases heart rate and muscle strength through brief, intensive bursts of movement, without relying primarily on oxygen.

Aerobic Endurance

The ability of the cardiovascular and respiratory systems to supply oxygen to muscles during prolonged physical activity.