ATI RN
Immune System NCLEX Questions Quizlet Questions
Question 1 of 5
T cytotoxic cells produce cytokinins which cause the lysis of other target cells.
Correct Answer: A
Rationale: Cytotoxic T cells release cytokines (e.g., perforins) to lyse cells; cytokinins are plant hormones, likely a typo.
Question 2 of 5
Which of the following would most likely increase a person's risk of invasion by pathogenic microbes?
Correct Answer: B
Rationale: Loss of epidermal tissue breaches a key physical barrier, increasing infection risk.
Question 3 of 5
T-lymphocytes are responsible for
Correct Answer: C
Rationale: T cells drive cell-mediated immunity, not antibody production (B cell role).
Question 4 of 5
Which of the following is NOT a function of lymphatic vessels?
Correct Answer: C
Rationale: Lymphatic vessels do not filter red blood cells; that's a spleen function.
Question 5 of 5
The thoracic duct is the largest lymphatic vessel in the human body and drains lymph from most of the body. Where does it originate?
Correct Answer: C
Rationale: The thoracic duct originates at the cisterna chyli in the abdomen.