You arrive at a local community center for a 56-year-old woman complaining of chest discomfort. The women tells you that she took one of her nitroglycerin tablets about 15 minutes ago, but she still has chest discomfort. Responding paramedics are approximately 10 minutes away. You should:

A. Place her in a comfortable position, assist her in taking another nitroglycerin tablet, and administer oxygen
B. Assume that she is experiencing angina pectorals, administer oxygen, and perform a thorough physical exam.
C. Give her up to tow more nitroglycerin tablets, place her supine and elevate her legs, and update the responding paramedics
D. Place her in a semi sitting position, assist her in taking up to 3 more nitro tablets, and administer oxygen.