Full lung expansion is demonstrated on a lateral neonatal or infant chest projection when the hemidiaphragms have a deep cephalic curvature

Which statements about the pathophysiological difference between chest pain from an ischemic episode and chest pain from an infarction episode is CORRECT?

A. Ischemic pain is the result of poorly perfumed lungs and the heart falters. B. Ischemic pain is never relieved by nitroglycerin. C. Infarction is commonly the result of a totally occluded coronary blood vessel. D. Infarction is typically the result of the patient's not taking prescribed cardiac medication.

  The item labeled D in the illustration is a(n) ________ gland.

Fill in the blank(s) with the appropriate word(s).