A breathing pattern characterized by progressive increasing, then subsiding, rate and volume of respirations, interrupted by periods of apnea is known as:

Hereditary stomatocytosis is a condition resulting from defects in:

a. Cation permeability b. Spectrin c. Protein 4.1 d. Spectrin dimer-dimer association

Which of the following agents reduce total peripheral resistance by a direct action on vascular smooth muscle?

a. Angiotensin blockers b. Vasodilators c. Angiotensin-converting enzyme inhibitors d. Calcium channel blockers