Angina Is Often Felt in the Upper Left Chest and Arm

Multiple Choice

Angina is often felt in the upper left chest and arm because

A) the tissues in these regions are damaged or diseased.
B) these are the first areas to be injured when a person has a heart attack.
C) the pain is "referred" to the corresponding region of the primary sensory cortex.
D) muscles in this area work harder during a heart attack and become sore from fatigue.
E) None of the answers are correct.