The nurse identifies a heart murmur in an adult client. Which of the following age-related changes would be the most likely cause?
A) Stiffness of heart valves
B) Stretching and dilation of veins
C) Decreased elasticity of the heart muscle
D) Arterial stiffening
A
Feedback:
Heart valves that are stiff do not allow the valve to close properly, resulting in a murmur. Stretching and dilation of veins are referred to as varicosities and do not result in murmurs. Decreased elasticity of the heart muscle can result in decreased cardiac output but not significant to murmurs. Arterial stiffening is related to changes in connective tissue and elastic fibers as associated with arteriosclerosis and does not result in murmurs.
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