An exact calculation of atrial heart rate is achieved by counting the mm boxes between two QRS complexes and then ________ 1500

A lower GI (gastrointestinal) series, which provides a series of X-rays of the colon and rectum, is also called a(n) ________.

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

What can be caused by the cancerous tissue ulcerating and bleeding?

a. Obstruction b. Pathologic fractures c. Infection d. Hemorrhage