1. To auscultate the tricuspid valve, the stethoscope should be placed at the: a

Question

1. To auscultate the tricuspid valve, the stethoscope should be placed at the:

a. 2nd intercostal space, right sternal border

b. 2nd intercostal space. Left sternal border

c. 4th intercostal space, left sternal border

d, 5th intercostal space, midclavicular line

2.To auscultate the pulmonic valve, the stethoscope should be placed at the

a. 2nd intercostal space, right sternal border

b. 2nd intercostal space. Left sternal border

c. 4th intercostal space, left sternal border

d, 5th intercostal space, midclavicular line

3. To auscultate the mitral valve, the stethoscope should be placed at the:

a. 2nd intercostal space, right sternal border

b. 2nd intercostal space. Left sternal border

c. 4th intercostal space, left sternal border

d, 5th intercostal space, midclavicular line

3. To auscultate the aortic valve, the stethoscope should be placed at the:

a. 2nd intercostal space, right sternal border

b. 2nd intercostal space. Left sternal border

c. 4th intercostal space, left sternal border

d, 5th intercostal space, midclavicular line

4.

If the sinus node stops discharging, what is the expected heart rate (in beats/minute) if the A-V node takes over as the cardiac pacemaker?

5

30

50

70

5.

If the sinus node stops discharging, what is the expected heart rate (in beats/minute) if the A-V node takes over as the cardiac pacemaker?

5

30

50

70

Explanation / Answer

Answers:

1. The tricuspid valve can be auscultated in the 4th intercostal space at the left sternal border.(option c).

2. To auscultate the pulmonic valve, the stethoscope is placed at the 2nd intercostal space at the left sternal border.(option b).

3.To auscultate the mitral valve, the stethoscope is placed at the 5th intercostal space at the mid-clavicular line.(option d)

4. To auscultate the aortic valve, the stethoscope is placed at the 2nd intercostal space at the right sternal border.(option a).

Explanation;

There are four major auscultatory areas located on the anterior chest wall where the heart sounds can be best heard, these are:

The Aortic valve area, the pulmonary valve area, the tricuspid valve area and the mitral valve area.

Different heart sounds can be heard in specific areas or sites which can help identify the presence of any pathology with the respective structures in the area in a patient.

Heart murmurs are associated with the turbulent flow of blood.They are heard during activities of heavy exertion, or when it passes through abnormal valves or through a ventricular septal defect. Auscultating the heart can diagnose these abnormal murmurs.Murmurs can be systolic or diastolic. Systolic murmurs are heard over the aortic area and the apex; diastolic murmurs are heard over the left sternal edge and the apex.

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