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Parts of the Middle Ear

'Lub-dup' sou...

Question

'Lub-dup' sound is produced due to action of _______.

A

Large intestine

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B

Lung

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C

Heart

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D

Oesophagus

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Solution

The correct option is C Heart
The sound produced by heart is 'Lub-dup' sound.

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Similar questions

Q. Differentiate between lub and dup sound.

Q. The first heart sound lub is produced due to

Q. Short / Long type answer type questions.
The pumping heart produces two characteristic sounds lub and dup. What structures cause these sounds and when are these produced?

Q. Read the following statements carefully and select correct choice from given.
(a) First heart sound lub is produced due to closure of atrioventricular valves.
(b) First heart sound is of longer duration than second heart sound dub.

Q. Lub sound is due to ______________

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