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NREMT Advanced EMT

Category - Cardiology

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What receptors, when stimulated, cause the heart to increase its rate?

Alpha 1
Alpha 2
Beta 1
Beta 2

Explanation

Answer - C - Beta 1 receptors, when stimulated, cause the heart to increase its rate. Additionally, this stimulation increases the force of contractions and conductivity. The sympathetic nervous system innervates the heart via the beta 1 receptors.

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