Heart Function MCQs & Quiz Online PDF Book Download

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Learn science MCQs: when atria contracts, ventricles, with choices relax, also contract, squeeze, and block for online elementary education degree. Free science student portal for online learning heart function quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Heart Function PDF Book Download

MCQ: When atria contracts, ventricles

  1. relax
  2. also contract
  3. squeeze
  4. block


MCQ: Function of valves is to

  1. transfer the blood from atria to ventricles
  2. stop the backflow of blood
  3. help chambers to contract
  4. help chambers to relax


MCQ: Muscles of atria and ventricles squeeze to

  1. move the blood
  2. make some space for blood
  3. make space for air
  4. build a vacuum


MCQ: When ventricles contract, atria

  1. relaxes
  2. also contracts
  3. squeezes
  4. blocks