A patient is suspected of developing an allergy to an environmental substance and has been given a patch test. During the test, the patient develops fine blisters, papules, and severe itching
The nurse knows that this is indicative of what strength reaction?
A) Weak positive
B) Moderately positive
C) Strong positive
D) Severely positive
Ans: B
Feedback:
The development of redness, fine elevations, or itching is considered a weak positive reaction; fine blisters, papules, and severe itching indicate a moderately positive reaction; and blisters, pain, and ulceration indicate a strong positive reaction.
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