ATI RN
Immune System Questions and Answers Quizlet Questions
Question 1 of 5
Identify functions of the lymphatic system.
Correct Answer: C
Rationale: The lymphatic system manages fluid balance, fat absorption, and immune defense.
Question 2 of 5
Perforins are secreted by:
Correct Answer: B
Rationale: Cytotoxic T cells secrete perforins to kill targets.
Question 3 of 5
Lymph from the left arm would return to the heart through the:
Correct Answer: B
Rationale: Thoracic duct drains left arm lymph into the left subclavian vein; inferior vena cava is venous, right duct drains right side, and aorta is arterial.
Question 4 of 5
Regarding hypersensitivity reactions
Correct Answer: D
Rationale: Type III deposits complexes in vessels ; complexes alone don't imply disease , it's exogenous , Pemphigus is antibody-mediated , and TH2 drives IgE .
Question 5 of 5
The cell in the body that has the potential to become a B-cell or T-cell is:
Correct Answer: B
Rationale: Common lymphoid progenitor gives rise to B and T cells; myeloid forms others, fibroblasts and endothelial don't.