The nurse is preparing a patient with a suspected latex allergy for the radioallergosorbent test (RAST). Which of the precautionary steps is most important for the nurse to follow?
A) The test should be performed during bronchospasm.
B) Scratch tests are performed after the RAST.
C) Prick tests are performed after the RAST.
D) Emergency equipment should be available.
Question 2
An elderly patient has developed Clostridium difficile-related diarrhea, a problem that has led to dehydration and hypokalemia.
The increased peristalsis that characterizes diarrhea has the potential to cause fluid volume deficit and electrolyte deficits because:
A) Increased peristalsis diverts energy away from the absorptive activities of the small intestine.
B) Increased peristalsis creates increased metabolic demand, which in turn depletes fluid and electrolyte reserves.
C) An increase in peristalsis means that the colon cannot absorb the substances that it normally absorbs.
D) An increase in peristalsis reduces the normal surface area of the villi and microvilli in the colon.
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