ATI RN
Lymphatic System Practice Questions Questions
Question 1 of 5
B Cells are activated by
Correct Answer: D
Rationale: Antigens activate B cells; complement enhances, antibodies are products.
Question 2 of 5
Naturally acquired active immunity would be most likely acquired through which of the following processes?
Correct Answer: D
Rationale: Naturally acquired active immunity is produced when the person is exposed to infectious agent and recovers, triggering their own immune response, unlike vaccination (artificial) or colostrum (passive).
Question 3 of 5
The mononuclear phagocyte system does not include:
Correct Answer: A
Rationale: Endothelial cells line blood vessels and are not phagocytes, unlike the others in the mononuclear phagocyte system.
Question 4 of 5
Which of the following best describes the movement of a T cell through a lymph node?
Correct Answer: D
Rationale: T cells enter lymph nodes via high endothelial venules (bloodstream) and exit via efferent lymphatics.
Question 5 of 5
What holds together the four polypeptide chains of an antibody?
Correct Answer: A
Rationale: Disulfide bonds link the two heavy and two light chains; chains (B, C) are components.