The second heart sound

A Has wide splitting during deep inspiration
B Occurs during the protodiastolic phase of the cardiac cycle.
C Is due to the opening of the aortic and pulmonary valves
D Has a pulmonary component which precedes the aortic component
E At birth is normally single with no splitting

Correct Answer: Has wide splitting during deep inspiration, Occurs during the protodiastolic phase of the cardiac cycle.

Bissoy MCQ
#Paediatric #Physiology #Cvs physiology #Heart sound

Related Questions

Cause/s of fixed and wide splitting of second heart sound is/are
A Secundum type of ASD
B Total anomalous pulmonary venous connection
C Partially anomalous pulmonary venous connection
D Aorto pulmonary window
E Mitral regurgitation
Second heart sound
A Wide fixed splitting of it is the pathognomonic feature of atrial septal defect
B Reverse splitting of it occurs in left bundle branch block
C Is a low frequency sound
D Signals the onset of ventricular systole
E The P2 component is loud in pulmonary stenosis
Reverse splitting of second heart sound occurs in
A Left bundle branch block
B Left ventricular outflow tract obstruction
C Right ventricular pacing
D Right bundle branch block
E Right ventricular outflow tract obstruction
Heart rate can be increased in a case of heart block following treatment with:
A Dopamine
B Isoprenaline
C Atropine
D Digoxin
E Noradrenaline
“She never lost heart, even in the face of adversity.” Here, ‘lost heart’ means-
A to feel encouraged
B to feel discouraged
C to have a heart attack
D to lose one's beloved
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
A loud first heart sound is a feature of
A Mitral stenosis
B Short PR interval
C Tachycardia
D First degree heart block
E Pericardial effusion
The split of 2nd heart sound in healthy individual
A Is more prominent during inspiration
B Tends to disappear during expiration
C Is best heard in pulmonary area
D Is due to pulmonary valve closure just preceding aortic valve closure
E Is more prominent in aortic stenosis
The fourth heart sound
A Follows the onset of p wave in ECG
B Is a high frequency sound
C Requires essentially compliant ventricle for its production
D May be physiological
E Is a characteristic of acute mitral regurgitation
A loud 1st heart sound is a feature of
A Mitral stenosis
B 1st degree heart block
C Tachycardia
D Pericardial effusion
E Pulmonary hypertension

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