Heart

Question 1

S1

Answer 1

“LUB” closure of mitral and tricuspid valves

Question 2

S2

Answer 2

“DUB” closure of semilunar valves

Question 3

Intensity of S1 increases with?

Answer 3

Sound is intensified during exercise, hyperthyroidism, mitral stenosis, and tachycardias.

Question 4

S1 is best heard?

Answer 4

Best heard in apical area on 5th and 6th intercostal space

Question 5

Closure of the pulmonic and aortic valves?

Answer 5

S2

Question 6

Pulmonic component of S2 is best heard on?

Answer 6

pulmonic area

Question 7

S2

Answer 7

overall best heard in aortic and pulmonic area

Question 8

Splitting of S2 abnormal finding?

Answer 8

Splitting of S2 that remains constant during inspiration and expiration

Question 9

Happens right after the QRS in ECG?

Answer 9

S1

Question 10

When is S1 sound decreased?

Answer 10

During mitral regurgitation and heart failure

Question 11

heard at the end of ventricular systole and beginning of diastole?

Answer 11

S2

Question 12

Heard at the beginning of ventricular systole?

Answer 12

S1

Question 13

Systolic murmur is heard when?

Answer 13

the mitral valve does not close

Question 14

Systolic murmur

Answer 14

mitral regurgitation and mitral insufficiency

Question 15

Acute mitral regurgitation is a medical emergency

Answer 15

it will radiate away from the 5th intercostal space