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  • Human Heart Physiology and Cardiac Control
  • Which of the following chemicals lower(s) the hear rate?
Multiple choice

Which of the following chemicals lower(s) the hear rate?

  1. Acetylcholine

  2. Pilocarpine

  3. Both (1) and (2)

  4. Atropine

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Both acetylcholine and pilocarpine lower the heart rate.

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