Which of the following is a major limitation of magnetic resonance imaging (MRI) of the chest?
a. Cannot visualize large vessels.
b. Cannot be used in patients with pacemak-ers.
c. Cannot be used to examine hilar struc-tures.
d. Interpretation is difficult.
ANS: B
It is critically important to avoid taking conventional metal objects near the MRI machine, be-cause the powerful magnet will pull the metallic object into the magnet with great force, exposing patients and health care providers in its path to life-threatening risk.
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The definition for policy would be which of the following?
a. Document used to record data b. Information that provides objective evidence that an activity was completed c. Principle that guides decision making d. Set of related steps that achieve a goal
Which of the following individuals meets the definition for acute urethral syndrome?
A) 30-year-old pregnant female, experiencing burning on urination, with at least >100 CFU/mL in a clean catch, voided urine B) 44-year-old female, experiencing urinary frequency, with >100,000 organisms/mL in two consecutive clean catch, voided urines C) 86-year-old male with >102 organisms/mL in a catheterized urine D) 27-year-old kidney transplant patient with >105 CFU/mL in a clean catch, voided urine