After blood passes through the lungs, it returns to left atrium by the way of the pulmonary veins.

A decreased V/Q ratio is most likely to result in which of the following changes in arterial blood gas values? A. Increase PA02 and decrease PAC02B. Decreased PA02 and increase PAC02C. Normal PA02 and PAC02D. Both PA02 and PAC02 increase

The quantity of oxygen that dissolves in the plasma is a function of ___________. A. Charles Law B. Gay Lussac’s Law C. Dalton’s Law D. Henry’s Law

At sea level, what would the PAO2 equal if the PB is 760 mm Hg, and the PaCO2 is 40 mm Hg with FIO2 1.0? A. 663 mmHg B. 572 mmHg C. 100 mmHg D. 600mmHg

Which of the following are central nervous system effects associated with oxygen toxicity? I. Tremors II. Twitching III. Convulsions IV. Coma A. III andIV B. I, II, and IV C. I, II, III, and IV D. I, II, and III

The atmospheric pressure decreases with an increase in altitude.

Which type of anemia is due to blood loss? A. Pernicious B. Hemorrhagic C. Hemolytic D. Aplastic

Which valve is located between the right atrium and right ventricle? A. Tricuspid B. Pulmonary semilunar C. Aortic semilunar D. Bicuspid

The average infant hemoglobin value is _____________. A. 50-60 g/ddL B. 14-20 g/ddL C. 2-10 g/ddL D. 30-45 g/ddL

The movement of gases across the alveolar-capillary membrane is called _______. a. pressure resistance b. gas diffusion c. pressure gradients d. diffusion gradients