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Exam (elaborations)

MEA 150 CH 42 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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  • Course
  • ALLERGY
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  • ALLERGY

MEA 150 CH 42 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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  • August 16, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ALLERGY
  • ALLERGY
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MEA 150 CH 42 QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
scratch test - ANSWER tests the patient for specific allergies



extracts of suspected allergens are applied to the patient's skin, usually on the arms or back



one site is always a negative control—a solution like the

one used to carry the allergens but containing no allergen is applied



skin is scratched to allow the extracts to penetrate

needle on arm or back or land sets



patch test - ANSWER allergy test in which a gauze patch soaked with a suspected allergen is taped onto
the skin with non-allergenic tape; used to discover the cause of contact dermatitis



intradermal test - ANSWER allergy test in which dilute solutions of allergens are introduced into the skin
of the inner forearm or upper back with a fine-gauge needle



RAST test - ANSWER blood test used to determine the substances a subject is allergic to



different from a skin allergy test, which determines allergy by the reaction of a person's skin to different
substances



needle biopsy - ANSWER performed by removing tissue with a needle inserted through the skin into the
growth or area



M.A. role in assisting with a needle biopsy - ANSWER Prepare the sterile field and instruments.

Position and drape the patient.

Cleanse the biopsy site. Prepare the patient's skin.

Perform a surgical scrub and don sterile gloves if you will be handing the physician's sterile instruments.

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