ATI RN
Lymphatic System Questions and Answers PDF Questions
Question 1 of 5
Which of the following convey the longest lasting immunity to an infectious agent?
Correct Answer: C
Rationale: Active immunity can last a lifetime or for a period of weeks, months or years, depending on how long the antibodies persist, unlike passive immunity which is temporary.
Question 2 of 5
Which of the following is the predominant route by which pathogens are brought from a site of infection into a lymph node?
Correct Answer: D
Rationale: Afferent lymphatics carry pathogens from infection sites to lymph nodes for immune recognition.
Question 3 of 5
Of the five classes of antibody heavy chains, which one's function is still partially unclear?
Correct Answer: D
Rationale: IgD function is less clear; IgE , IgM , IgG , and IgA are well-defined.
Question 4 of 5
A ____________ molecule is a glycoprotein used to identify and distinguish white blood cells.
Correct Answer: D
Rationale: Clusters of differentiation mark WBCs; MHC presents antigens.
Question 5 of 5
If lymphatic tissue is removed from an axillary region, the arm on that side is likely to
Correct Answer: C
Rationale: Removing lymphatic tissue impairs lymph drainage, causing fluid buildup (edema) in the arm.