ATI RN
Lymphatic System Practice Questions Questions
Question 1 of 5
Complete the following sentence. A feature which does not describe patients presenting with x-linked hyper IgM syndrome is.
Correct Answer: C
Rationale: X-linked hyper IgM patients lack CD40L, preventing switching, so only IgM is produced, not normal levels of all isotypes.
Question 2 of 5
The class of an immunoglobulin
Correct Answer: D
Rationale: Heavy chain type defines Ig class; MHC , carbs , or antigen don't.
Question 3 of 5
B Cells are activated by
Correct Answer: D
Rationale: Antigens activate B cells; complement enhances, antibodies are products.
Question 4 of 5
Which of the following is serum hepatitis?
Correct Answer: A
Rationale: HBV is serum hepatitis, transmitted via blood; HCV is related but distinct.
Question 5 of 5
Naturally acquired active immunity would be most likely acquired through which of the following processes?
Correct Answer: D
Rationale: Naturally acquired active immunity is produced when the person is exposed to infectious agent and recovers, triggering their own immune response, unlike vaccination (artificial) or colostrum (passive).