The apex of the heart (tip of the left ventricle) lies just above the diaphragm at a level corre-sponding to which intercostal space?
a. Fourth
b. Fifth
c. Sixth
d. Seventh
ANS: B
The apex of the heart is formed by the tip of the left ventricle and lies just above the diaphragm at the level of the fifth intercostal space.
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