The nurse is caring for a patient with lesions on the skin. Which of the following assessment findings would cause the nurse to suspect scabies?
a. Gray blue macules on the thighs and axillae
b. Short, wavy, brownish black lines
c. Reddish brown dots at the base of hairs
d. Large, fluid-filled blisters
ANS: B
The scabies parasite burrows into the superficial layer of the skin. These burrows appear as short, wavy, brownish black lines. Pediculosis pubis causes black or reddish brown dots (lice excreta) at the base of hairs or in underclothing. Gray blue macules may also be noted on the trunk, thighs, and axillae; this is the result of the insects' saliva mixing with bilirubin. Large, fluid-filled blisters occur in pemphigus.
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