ATI RN
Lymphatic and Immune System Test Questions Questions
Question 1 of 5
enhance function of various T-cell
Correct Answer: D
Rationale: Thymulin enhances various T-cell functions.
Question 2 of 5
What are the three ways in which the complement system can be activated?
Correct Answer: C
Rationale: Complement activates via classical (antibody-dependent), alternative (spontaneous), and lectin (mannose-binding) pathways ; other options misname pathways.
Question 3 of 5
What are TCRs?
Correct Answer: B
Rationale: TCRs (T-cell receptors) are on T cells ; B cells have BCRs, not TCRs.
Question 4 of 5
What is activation-induced cell death (AICD)?
Correct Answer: B
Rationale: AICD removes overstimulated T cells ; it's not for proliferation , cytokine production , or B7 affinity .
Question 5 of 5
Which of the following molecules is not generally produced by T cells and macrophages?
Correct Answer: D
Rationale: Tissue thromboplastin is a clotting factor, not from T cells/macrophages; growth factors , cytokines , and CSFs are immune-related.