During an assessment of a healthy adult, where would the nurse expect to palpate the apical impulse?
a. Third left intercostal space at the midclavicular line
b. Fourth left intercostal space at the sternal border
c. Fourth left intercostal space at the anterior axillary line
d. Fifth left intercostal space at the midclavicular line
ANS: D
The apical impulse should occupy only one intercostal space, the fourth or fifth, and it should be at or medial to the midclavicular line.
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