ATI RN
Lymphatic System Exam Questions Questions 
            
        Question 1 of 5
Pasteur developed the vaccination for:
Correct Answer: D
Rationale: Pasteur developed vaccines for all : rabies, anthrax, and cholera.
Question 2 of 5
Compared to the secondary antibody response, the primary response
Correct Answer: B
Rationale: The primary response has a longer lag phase (days) before antibody production, unlike the faster, stronger secondary response.
Question 3 of 5
Which of the following describes the flow of lymph through a lymph node draining an infected tissue?
Correct Answer: C
Rationale: Lymph flows from afferent lymphatics into the node, then exits via efferent lymphatics, draining infection sites.
Question 4 of 5
Activated helper T cells release regulatory molecules called
Correct Answer: D
Rationale: Helper T cells release lymphokines like cytokines; not histamines or antibodies .
Question 5 of 5
What is a superantigen?
Correct Answer: D
Rationale: Superantigens nonspecifically overactivate T cells; not specific or enhancing .
