Early European medicine used ________ to train physicians

Which of the following conditions may result in edema?

A) Inhibition of ADH (vasopressin) B) Decreased hydrostatic pressure C) Loss of plasma proteins D) Administration of a hypertonic solution

In Lead II, Einthoven's triangle shows:

A) the left arm is negative and the right arm is positive. B) the left arm is positive and the right arm is negative. C) the left leg is positive and the right arm is negative. D) the left leg is negative and the right arm is positive.