Practice Quiz

NREMT EMT

Category - Cardiac

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What does the Starling’s Law deal with?
  1. Myocardial infarction
  2. Myocardial contraction
  3. Cardiac attack
  4. None of the above
Explanation
Answer: B - The Starling’s Law deals with myocardial contractions. The Starling’s Law discusses the increase in myocardial contraction when the muscle fibers are stretched by increases in preload. The enhanced recoil results in a more forceful expulsion of a larger amount of blood. The increase in stroke volume will then translate into improved cardiac output and eventually as improved blood pressure.
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