A bulging in the weakened wall of a blood vessel is called a(n) what?

The relatively high use of nonsteroidal anti-inflammatory drugs by older patients predisposes them to:

A) constipation. B) cholelithiasis. C) mesenteric ischemia. D) peptic ulcer disease.

The QRS complex is due to depolarization and contraction of:

A) the atria B) the ventricles C) both atria and ventricles D) None of the above