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Mode of action of heart MCQ App Download - IGCSE O Level Biology PDF e-Book

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Mode of action of heart MCQ (Multiple Choice Questions) PDF Download

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The MCQ: The "lub" sound is produced after the "Mode of action of heart" App Download [Free] with answers: ventricles are fully contracted, ventricles start to relax, bicuspid and tricuspid valves suddenly close, and semilunar valves are closed to study online certificate courses. Practice Mode of action of heart Quiz Questions, download Apple e-Book (Free Sample) for two year degree programs.

Mode of action of heart Questions and Answers PDF Download

MCQ: 1

The "lub" sound is produced after the

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

In the cardiac system, systole means

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

Left atrium receives blood from the

  1. pulmonary veins
  2. two vena cava
  3. right ventricle
  4. left ventricle
MCQ: 4

Diastole in cardiac system means

  1. "lub" sound
  2. ventricular contraction
  3. ventricular relaxation
  4. "dub" sound
MCQ: 5

Average normal heart beat of an adult is

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

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