The nurse examining the skin of a client notices small fluid-filled blisters around the client's mouth and suspects they are caused by the herpesvirus. What test would be performed to confirm this suspicion?
A) Wood's light examination
B) Tzanck's smear
C) Biopsy
D) Scabies scraping
B
Feedback:
Tzanck's smear is used to examine cells and fluids from vesicles (blisters), such as those found in herpes zoster and varicella. Wood's light examination diagnoses pigmentary abnormalities and detects superficial fungal and bacterial skin infections. Biopsy is the procedure of removing a skin-tissue specimen with scalpel excision, punch instrument, or shaving technique for microscopic examination to rule out malignancy or diagnose a skin disorder. Scabies scraping is used to diagnose scabies (a parasite that burrows under the skin).
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