The maximal recommended iontophoresis dosage is ________ milliamp-min

Shock patients who are not having difficulty breathing are placed head downhill because doing so:

a. increases perfusion to vital organs. b. increases the heart rate. c. increases blood pressure. d. decreases blood pressure.

Prior to surgery, a patient's skin should be prepped with:

A) soap and water B) a mild bleach solution C) ammonia D) an antiseptic