ATI RN
Immune System Exam Questions Questions
Question 1 of 5
Contact with poison ivy would elicit which type of hypersensitivity reaction?
Correct Answer: D
Rationale: Poison ivy causes Type IV , T-cell-mediated; not immune complex , IgE , or cytotoxic .
Question 2 of 5
The common diseases caused by a poor immune system include ______?
Correct Answer: B
Rationale: Poor immunity leads to epidemic diseases ; autoimmune is immune overactivity.
Question 3 of 5
In agglutination reactions, the antigen is a in precipitation reactions, the antigen is a
Correct Answer: A
Rationale: Agglutination involves whole cells (e.g., bacteria), while precipitation involves soluble molecules (e.g., proteins), matching the reaction mechanisms.
Question 4 of 5
Acute inflammation can be initiated by:
Correct Answer: A
Rationale: Increased vascular permeability initiates inflammation, allowing immune cell influx, unlike C3 (complement) or lysozyme (enzyme).
Question 5 of 5
Erythroblastosis fetalis can result if
Correct Answer: C
Rationale: Rh- mother sensitized to Rh+ fetus causes fetal RBC destruction in subsequent Rh+ pregnancies; other scenarios (A, B, D) don't fit.