Types of pain include all of the following except:

How does digoxin exert an inotropic effect on the myocardium?

a. By reversibly inhibiting the Na+/K+-ATPase pump b. By stimulating the vagus nerve c. By increasing extracellular sodium concentrations d. By pumping calcium out of the cell

Digoxin toxicity may include which of the following manifestations? 1. Hyperkalemia 2. Premature ventricular contractions 3. Bigeminal rhythm 4. Nausea 5. Abdominal pain

a. 2 and 5 only b. 1, 2, and 3 only c. 1, 2, 3, 4, and 5 d. 1, 2, 3, and 5 only