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Practice Question

The nurse knows that Type IV Hypersensitivity Reaction involves which of the following?

Answer Choices:

Correct Answer:

T-lymphocyte memory cells

Rationale:

🔸 Type IV hypersensitivity is a delayed immune reaction.

🔸 It is mediated by sensitized T-cells, not antibodies.

🔸 Examples include contact dermatitis and transplant rejection.

🔸 Reactions usually occur 24–72 hours after exposure.

🔸 It does not involve histamine release like Type I reactions.

Want to practice more questions like this?

This question is from ATI LPN Advanced Medsurg Exam 2 which contains 45 questions.

More Questions from This Exam
The nurse is educating a patient concerning use of an Epi-pen for a severe allergic reaction to peanuts.Which of the following statements, made by the patient, allows the nurse to know that the education must be reinforced?

Answer Choices:

A. "I need to carry the Epi-pen with me at all times."
B. "When my Epi-pen reaches it's expiration date. I need to get a new one."
C. "Once I inject myself with my Epi-pen. I won't have to go to the hospital."
D. "I need to avoid all foods that may have been exposed to peanuts."
A nurse is reviewing the medical record of a client who just returned to the unit following surgery and notes the client has a history of anaphylaxis in response to penicillin. The client's postoperative prescriptions include a dose of cephalexin. Which of the following actions should the nurse take?

Answer Choices:

A. Request that the surgeon prescribe a different antibiotic.
B. Ask the provider to prescribe diphenhydramine as a precaution.
C. Confirm with the client that the reaction he had was truly anaphylaxis.
D. Administer the medication.
The nurse knows that pernicious anemia is caused by which of the following?

Answer Choices:

A. Damage to kidneys, which cause decrease in erythropoietin production
B. Destruction of gastric parietal cells, which decrease intrinsic factor production
C. Decrease in RBC in the bone marrow
D. Hemolysis of RBC
The nurse would evaluate that the patient understands what triggers allergic rhinitis by which of the following patient responses?

Answer Choices:

A. Topical creams and ointments
B. Airborne pollens and molds
C. Ingested food and medications
D. Injected medications
From Exam
ATI LPN Advanced Medsurg Exam 2

45 Questions

View Full Exam Start Practicing
Question Details
  • Category: LPN Nursing Exam(s)
  • Subcategory: LPN ATI Exams
  • Domain: Medical-Surgical
  • Answer Choices: 4
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