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MEA 150 CHAPTER 42 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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MEA 150 CHAPTER 42 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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MEA 150 CHAPTER 42 QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
Scratch Test - ANSWER An allergy test in which extracts of suspected allergens are applied to the patient's
skin and the skin is then scratched to allow the extracts to penetrate.
Patch Test - ANSWER An allergy test in which a gauze patch soaked with a suspected allergen is taped onto
the skin with a non-allergenic tape; used to discover the cause of contact dermatitis.
Intradermal Test - ANSWER An 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 (Radioallergosorbent Test)- Measures blood levels of antibodies to specific allergens.
You obtain a blood sample from the patient and send it to the laboratory.
Needle Biopsy - ANSWER A procedure in which a needle and syringe are used to aspirate (withdraw by
suction) fluid or tissue cells.
Medical Assistant's Role in assisting with a Needle Biopsy - ANSWER 1. Identify the patient and introduce
yourself.
2. Instruct the patient as needed and discuss any concerns the patient may have.
3. Wash your hands and assemble the necessary materials
4. Prepare the sterile field and instruments
5. Don exam gloves
6. Position and drape the patient
7. Cleanse the biopsy site. Prepare the patient's skin
8. Remove the gloves, wash your hands, and don clean exam gloves
9. Assist the doctor as needed when she injects anesthetic
10. Perform a surgical scrub and don sterile gloves if you will be handling the physician's sterile
instruments.
11. Place the sample in a properly labeled specimen bottle, complete the laboratory requisition form, and
package the specimen for immediate laboratory transport.
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