What type of response and typical bpm do Purkinje fibers generate?

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Multiple Choice

What type of response and typical bpm do Purkinje fibers generate?

Explanation:
Purkinje fibers are fast-conducting, fast-response tissue in the ventricular conduction system. When they act as pacemakers, their inherent rate is slower than the SA node but still fall under the fast-action-potential category, typically around 30–40 beats per minute. This combination—fast-type electrical response with an intrinsic rhythm near 30–40 bpm—best matches the described option. The slower, nodal-type tissues (like AV node) have slow-action-potential characteristics and different typical rates, which is why the other options don’t fit as well.

Purkinje fibers are fast-conducting, fast-response tissue in the ventricular conduction system. When they act as pacemakers, their inherent rate is slower than the SA node but still fall under the fast-action-potential category, typically around 30–40 beats per minute. This combination—fast-type electrical response with an intrinsic rhythm near 30–40 bpm—best matches the described option. The slower, nodal-type tissues (like AV node) have slow-action-potential characteristics and different typical rates, which is why the other options don’t fit as well.

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