The oldest direct traces of life on earth date back 30 to 40 million years

Digoxin is prescribed to patients with congestive heart failure primarily to:

A) improve myocardial contractility and cardiac output. B) improve blood flow to the lungs, thereby reducing pulmonary edema. C) achieve a negative chronotropic effect and thereby reduce the myocardial workload. D) control rapid ventricular rates, because many of these patients also have atrial fibrillation.

Contracture of the hand, fingers, and wrist resulting from reduced blood flow to the af-fected muscles is called:

a. Paget disease b. Volkmann contracture c. Ganglion d. Rheumatoid arthritis