Correct option is A
The apical pulse is palpated at the fifth intercostal space along the left midclavicular line. This corresponds to the location of the heart’s apex. Explanation of options:
· (a) ✔ Correct; anatomical location of the apical impulse.
· (b) ✘ Too high; apex lies at fifth space.
· (c) ✘ Apex is not found to the right of midclavicular line.
· (d) ✘ Incorrect both in vertical and lateral positioning.