Quiz  /  NEET MCQ on Double Circulation

  • 1. 
    Identify the correct statement about Double circulation

  • A double aortic arch is seen in birds and mammals
  • Double circulation is characteristic of all vertebrates
  • Blood pressure in the pulmonary circulation is lesser than that of the systemic circulation
  • The volume of blood in the pulmonary circulation is higher than the systemic circulation at any moment

  • 2. 
    The hepatic portal vein drains blood to the liver from ________

  • Heart
  • Kidneys
  • Intestine
  • Stomach

  • 3. 
    Identify the incorrect statement about Double circulation

  • It occurs only in mammals
  • It occurs in all vertebrates
  • It is composed of the systemic circulation
  • It is composed of pulmonary circulation

  • 4. 
    Pick the most appropriate statement(s) as part of the explanation for this statement – “Adult human RBCs are enucleated”

  • Only
  • Only (II)
  • , (III) and (IV)
  • (III) and (IV)

  • 5. 
    Blood pressure in the pulmonary artery is ________

  • Same as that in the aorta
  • Less than that in venae cavae
  • More than that in the carotid
  • More than that in the pulmonary vein

  • 6. 
    If a  stethoscope is used by doctors for cardiac auscultation, then what will be the second sound for each cardiac cycle?

  • AV valves open up
  • AV node receives a signal from SA node
  • The walls of ventricles vibrate due to flooding in of blood from atria
  • Semilunar valves shut down after the blood flows from ventricles into vessels

  • 7. 
    During which stage the blood pressure is maximum in the human aorta?

  • Systole of the left atrium
  • Systole of the left ventricle
  • Diastole of the right atrium
  • Diastole of the right ventricle

  • 8. 
    Which of the following immediate procedure is carried out, when a  patient with myocardial infarction is admitted to the hospital?

  • Statins
  • Penicillin
  • Cyclosporin – A
  • Streptokinase

  • 9. 
    Systemic circulation in the cardiac system refers to

  • carry red oxygenated blood
  • carry blood to the left side of the heart
  • carry blood to the right side of the heart
  • carry oxygenated blood from the lungs to the heart

  • 10. 
    Oxygenated blood in the cardiac system

  • leaves from the right side of the heart
  • leaves from the left side of the heart
  • enters lungs from the heart
  • does not leave the lungs
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