The risk involved with the use of carbon dioxide systems is based on the fact that the amount of extinguishing agent needed to suppress fires and protect the contents of the enclosure is ___________
a. many times greater than the lethal concentration for humans
b. less than the design concentration of carbon dioxide available
c. could cause frostbite injuries to occupants
d. many times greater than the design concentration
a
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You have intubated a 66-year-old female who was experiencing an acute exacerbation of her emphysema. What special consideration does this patient, with her specific pathology, require?
A) She requires hyperventilation to blow off excess CO2. B) Oxygen flow should be limited to 4 lpm because of the hypoxic drive common in COPD patients. C) While ventilating, you must allow for a prolonged expiratory phase. D) She requires frequent, deep suctioning.
__________ is a term used to describe changes in a person's ability to perform coordinated motions, such as walking.
A) Ataxia B) Myoclonus C) Bradykinesia D) Decussation
An AP abdomen projection was obtained using 85 kVp at 10 mAs. The resulting image demon-strated excessively low contrast, although the density was acceptable
What new technique could be used to obtain the projection with equal density but higher con-trast? a. 72 kVp at 10 mAs b. 72 kVp at 20 mAs c. 81 kVp at 13 mAs d. 98 kVp at 5 mAs
The low normal systolic blood pressure for a 30-year-old is:
A. 60 mm Hg. B. 70 mm Hg. C. 80 mm Hg. D. 90 mm Hg.