A 49-year-old man has been stabbed in the lower right chest. After assessing him, you suspect that the knife punctured the lung and is causing internal bleeding. In this situation, the mechanism of injury would be:
a. a penetrating injury.
b. an assailant with a knife.
c. blunt trauma to the lungs.
d. internal hemorrhage.
Answer: a
Health Professions
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A chemical reaction between a polymer and certain alcohols and organic acids is called
a. Autopolymerization b. Addition polymerization c. Condensation polymerization d. Cross-linking
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What are the two principles of operation for pulse oximetry? 1. Photoplethysmography 2. Tonometry 3. Spectrophotometry 4. Amperometry 5. Potentiometry
a. 1 and 3 c. 1 and 5 b. 2 and 4 d. 3 and 5
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