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Questions and Answers
Where is the mitral component of the first heart sound best heard?
Where is the mitral component of the first heart sound best heard?
- At the 2nd right costo-sternal junction at right sternal border
- At the left lower end of sternum
- At the left 5th intercostal space in mid-clavicular line (correct)
- At the right 5th intercostal space in mid-clavicular line
Which phase of the heart cycle is characterized by isovolumetric relaxation?
Which phase of the heart cycle is characterized by isovolumetric relaxation?
- Early rapid ejection phase
- Isovolumetric contraction phase
- Isovolumetric relaxation phase (correct)
- Late ventricular ejection phase
What causes splitting of the first heart sound?
What causes splitting of the first heart sound?
- Left ventricular ejection ending before right ventricular ejection
- Sudden closure of A-V valves
- Sudden closure of semilunar valves (correct)
- Aortic valve closing before pulmonary valve
Why is the splitting of the second heart sound more audible during inspiration?
Why is the splitting of the second heart sound more audible during inspiration?
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Which heart sound has a higher frequency?
Which heart sound has a higher frequency?
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Where is the tricuspid component of the first heart sound best heard?
Where is the tricuspid component of the first heart sound best heard?
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