Pulmonary ____________ is blockage of a pulmonary vessel by air, a blood clot, or other substance (e.g., fragments of atherosclerotic plaque)

Which of the following are sources of low-level radiation exposure?

1. X-rays and radioactive materials used for diagnostic purposes. 2. Employment-related exposure in medicine and industry. 3. Natural background radiation. a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3

How much oxygen can dissolve in a plasma at body temperature?

A. 0.003 mL/dL/mmHg PO2 B. 0.3 mL/dL/mmHg PO2 C. 1.34 mL/dL/mmHg PO2 D. 0.03 mL/dL/mmHg PO2