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The pulmonary veins number ____.

Which structure supplies the myocardium with oxygenated blood?

Tachycardia is a fast heart rate, usually more than ________ beats per minute.

When on cardiopulmonary bypass the blood is oxygenated, filtered, warmed or cooled, and pumped back into the systemic circulation through a cannula placed in the:

The coronary artery is opened with a #11 knife blade (or Beaver blade), and the incision is extended with _______ coronary scissors.

The aortic valve maintains one-way blood flow from the ________ to the aorta.

An internal device used when a  patient has heart block which is when electical system of the heart is no loger firing  is a/an ____.

An examination of the middle chest lymph nodes and the area below where the bronchi branch into the right and left lungs, and possibly taking biopsies of suspicious tissue. The procedure uses a hollow lighted tube with fiberoptic light-carrying fibers. Which diagnostic procedure is this?

Which microscope has the strongest resolving power?

________ function in the collection, packaging, and distribution of molecules made in the cell.