UPSC NDA II 2011 General Ability Paper

© examsiri.com

Question : 112 of 150

Marks: +1, -0

Which one among the following statements regarding heart sound is correct?

Heart sounds are caused by the internal blood flow inside the heart
Heart sounds are caused by the external blood flow outside the heart
Heart sounds are caused by opening and closing of heart valves
Normal sounds are called 'murmurs'

Go to Question:

Prev Question

Next Question