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#Question id: 10990


Sympathetic stimulation of the heart normally causes which of the following conditions?

#Unit 7. System Physiology – Animal
  1. Acetylcholine release at the sympathetic endings
  2. Decreased heart rate
  3. Decreased force of contraction of the atria
  4. Increased force of contraction of the ventricles

Answer:- Option(s): 4


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