ATI RN
Immune System NCLEX Questions Quizlet Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Which of the following cells of the immune system do not perform phagocytosis?
Correct Answer: D
Rationale: Basophils release histamine, not phagocytic, unlike macrophages or neutrophils.
Question 5 of 5
Identify the outward signs of inflammation that is a result of the dilation of blood vessels.
Correct Answer: A
Rationale: Vessel dilation causes heat and redness.