UTpaper

Free mock tests & test series

Question 28Asked in RRB JE CBT-1, 20 Feb 2026, Shift 3 (4:30 PM)

If the bicuspid (mitral) valve fails to close properly, which immediate effect is most likely

If the bicuspid (mitral) valve fails to close properly, which immediate effect is most likely during ventricular contraction?
  1. ABackflow of blood from the left ventricle to the left atrium
  2. BBackflow of blood from the right ventricle to the right atrium
  3. CMixing of oxygenated and deoxygenated blood in the ventricles
  4. DReduced flow of blood to the lungs
Show answerHide answer

Correct answer: (A) Backflow of blood from the left ventricle to the left atrium

From RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM)

This is question 28 of RRB JE CBT-1 PYQ 20 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.