Laboratory modifier that indicates repeat clinical diagnostic laboratory test

The lacrimal gland produces:

a. Tears b. Wax c. Saliva d. Mucus

Which of the following mechanisms explains the impaired renal function seen in patients receiv-ing ventilatory support with positive pressure?

1. Decreased secretion of aldosterone 2. Decreased intravascular volume 3. Increased secretion of vasopressin a. 1 only b. 2 only c. 1 and 3 only d. 1, 2, and 3