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Question 9655
NEET Biology · Medium

Body Fluids and Circulation: Heart sounds MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Heart soundsMediumQuestion 9655

Question

Closure of AV valves produces:

  1. A
    First heart sound
    Correct
  2. B
    Second heart sound
  3. C
    No sound
  4. D
    ECG P wave

Correct answer

First heart sound

Explanation

The 'lub' sound is associated with closure of tricuspid and bicuspid valves.

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