Mode of action of heart MCQs Quiz Online PDF Download

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IGCSE biology practice test MCQ: "lub" sound is produced after with choices the ventricles are fully contracted, the ventricles start to relax, the bicuspid and tricuspid valves suddenly close and the semilunar valves are closed with common interview questions and answers for online pre-employment assessment of job seekers. Free study guide is for online learning mode of action of heart quiz with MCQs to practice test questions with answers.

MCQs on Mode of action of heart Quiz PDF Download

MCQ. "lub" sound is produced after

  1. the ventricles are fully contracted
  2. the ventricles start to relax
  3. the bicuspid and tricuspid valves suddenly close
  4. the semilunar valves are closed

C

MCQ. Systole means

  1. a "lub" sound
  2. ventricular relaxation
  3. closure of semilunar valves
  4. a "dub" sound

A

MCQ. Left atrium receives blood from the

  1. pulmonary veins
  2. two vena cavae
  3. right ventricle
  4. left ventricle

A

MCQ. Diastole means

  1. a "lub" sound
  2. a ventricular contraction
  3. ventricular relaxation
  4. a "dub" sound

C

MCQ. Average normal heart beat of an adult is

  1. dependent upon exact age
  2. depends on gender of adult
  3. depends upon the weight of adult
  4. is approx. 72 times per minute

D