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Total Questions : 581 | Page 56 of 59 pages
Question 551. Inferior vena cava is formed through a combination of
  1.    two arteries
  2.    three arteries
  3.    four arteries
  4.    three veins
 Discuss Question
Answer: Option D. -> three veins
Answer: (d).three veins
Question 552. In the cardiac system, systole means
  1.    a "lub" sound
  2.    ventricular relaxation
  3.    closure of semilunar valves
  4.    a "dub" sound
 Discuss Question
Answer: Option A. -> a "lub" sound
Answer: (a).a "lub" sound
Question 553. Diastole in cardiac system means
  1.    "lub" sound
  2.    ventricular contraction
  3.    ventricular relaxation
  4.    "dub" sound
 Discuss Question
Answer: Option C. -> ventricular relaxation
Answer: (c).ventricular relaxation
Question 554. Left atrium receives blood from the
  1.    pulmonary veins
  2.    two vena cava
  3.    right ventricle
  4.    left ventricle
 Discuss Question
Answer: Option A. -> pulmonary veins
Answer: (a).pulmonary veins
Question 555. Left ventricle forces blood into the
  1.    aortic arch
  2.    pulmonary arch
  3.    superior vena cava
  4.    inferior vena cava
 Discuss Question
Answer: Option A. -> aortic arch
Answer: (a).aortic arch
Question 556. 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
 Discuss Question
Answer: Option D. -> is approx. 72 times per minute
Answer: (d).is approx. 72 times per minute
Question 557. Right atrium receives blood from
  1.    pulmonary veins
  2.    two vena cave
  3.    right ventricle
  4.    left ventricle
 Discuss Question
Answer: Option B. -> two vena cave
Answer: (b).two vena cave
Question 558. Backflow of blood into the ventricle is prevented through
  1.    bicuspid valves
  2.    tricuspid valves
  3.    mitral valve and the chordae tendineae
  4.    semilunar valves
 Discuss Question
Answer: Option D. -> semilunar valves
Answer: (d).semilunar valves
Question 559. Right ventricle forces blood into the
  1.    aortic arch
  2.    pulmonary arch
  3.    superior vena cava
  4.    inferior vena cava
 Discuss Question
Answer: Option B. -> pulmonary arch
Answer: (b).pulmonary arch
Question 560. The "dub" sound is produced when
  1.    atria are fully contracted
  2.    atria start to relax
  3.    after the semilunar valves are closed
  4.    after the bicuspid and tricuspid valves suddenly close
 Discuss Question
Answer: Option C. -> after the semilunar valves are closed
Answer: (c).after the semilunar valves are closed

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