Before Administering Certain Cardiovascular Medications, the Nurse Needs to Check

Before administering certain cardiovascular medications, the nurse needs to check the rate of the apical impulse at the:

A) Third left intercostal space at the MCL
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 MCL