Lewis's Medical Surgical Nursing in Canada, 5th Edition - Nursing Assessment: Integumentary System Related

Review Lewis's Medical Surgical Nursing in Canada, 5th Edition - Nursing Assessment: Integumentary System related questions and content

A patient asks the nurse why a potassium hydroxide test needs to be done. The nurse's response is based upon the knowledge that which of the following is the purpose of this test?

  • A. Examine a lesion via a biopsy.
  • B. Obtain fluids from vesicles for assessment.
  • C. Assess for fungal infection.
  • D. Scrap exudate from a lesion for microscopic examination.
Correct Answer: C

Rationale: A potassium hydroxide test is done to examine hair, nails, or scales for superficial fungal infection. Scraping exudate from a lesion for examination is used with mineral oil slides. A Tzanck test is used when fluid is obtained from vesicles for assessment.