During an acute exacerbation of COPD, what is the role of IV methylprednisolone?
a. It accelerates recovery as noted in FEV1.
b. It causes pulmonary edema due to reten-tion of water.
c. It causes severe immunosuppression and worsens outcomes.
d. It has been shown to have no effect.
ANS: A
An early randomized controlled trial of IV methylprednisolone for patients with acute exacerba-tions has shown accelerated improvement in FEV1 within 72 hr.
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a. incubator b. autoclave c. centrifuge d. photometer
The CDC reports 57 documented cases of transmission of HIV to healthcare workers in the workplace since 2001. This is an example of which healthcare hazard?
a. infectious hazard c. chemical hazard b. blood-borne pathogen hazard d. radiation hazard
Prolonged stress causes the release of the hormone ________.
Fill in the blank(s) with the appropriate word(s).
All of the following are reasons for using a slight caudal angle on AP projections of the chest except:
A. Better demonstration of posterior lung bases and costophrenic angles B. Allows for a decrease in technique C. Reduces lordotic distortion of upper lungs, rib cage, and clavicles D. Reduces lordotic "straightening" of normal curvature of spine