Heart Sounds

PrepBank · পাতা ১ / ১ · ১–৪ / ৪

১.

Which goes against 4th Heart Sound?

ক
High pitched sound.
খ
Duration of the sound is 0.02 -0.04 seconds
গ
It occurs due to vibrations which set up in atrial musculature during atrial systole
ঘ
It coincides with interval between end of 'P' wave and onset of 'Q' wave in ECG

সঠিক উত্তর: ক

High pitched sound.

উত্তর

সঠিক উত্তর: ক

High pitched sound.

ক

ব্যাখ্যা

• It is produced during atrial systole and considered as physiologic heart sound.
Characteristics:
• It is short and low pitched sound.
• Duration of the sound is 0.02 -0.04 seconds.
Causes:
• It occurs due to vibrations which set up in atrial musculature during atrial systole.
Fourth heart sound and ECG:
• It coincides with interval between end of 'P' wave and onset of 'Q' wave in ECG.

২.

Closure of semilunar valve which heart sound produce

ক
S3
খ
opening snap
গ
S1
ঘ
S2

সঠিক উত্তর: ঘ

উত্তর

সঠিক উত্তর: ঘ

ঘ

৩.

The second heart sound is caused by

ক
closure of the aortic and pulmonary valves.
খ
vibrations in the ventricular wall during systole.
গ
ventricular filling
ঘ
closure of the mitral and tricuspid valves.

সঠিক উত্তর: ক

closure of the aortic and pulmonary valves.

উত্তর

সঠিক উত্তর: ক

closure of the aortic and pulmonary valves.

ক

৪.

Ejection click occurs following which heart sound?

ক
1st
খ
2nd
গ
3rd
ঘ
4th

সঠিক উত্তর: ক

1st

উত্তর

সঠিক উত্তর: ক

1st

ক

ব্যাখ্যা

Explanation:
Ejection click: an ejection click sound occurs immediately following the first heart sound. The sudden opening of a deformed but mobile aortic or pulmonary valve produces the ejection click.