Other than air, the gas that is commonly used to inflate the balloon on a pulmonary artery cathe-ter is:
a. helium. c. oxygen.
b. nitrogen. d. carbon dioxide.
ANS: D
CO2 is sometimes used to inflate the balloon because if the balloon should rupture, the CO2 is absorbed by the tissues rather than causing an air embolism.
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Select the correct PCS codes: A) 0DV90CZ B) 0DV93ZZ C) 0DVC3ZZ D) 0DVE0DZ
The physician suspects that your patient may have ?1-antitrypsin (?-AT) deficiency. Which disease process would help to confirm this diagnosis?
a. Panacinar emphysema b. Centrilobular emphysema c. Bronchiectasis d. Asthma
__________ letters must be used with care, because some patients find them to be cold and uncaring
Fill in the blank(s) with correct word
A 500 mL IV containing 20,000 units of heparin is running at 30 mL/hr. How many units/hr are being infused?
700 1000 1200 1500