ATI RN
Lymphatic System and Immunity Test Questions Questions
Question 1 of 5
All contain B-lymph except with T-lymphocyte
Correct Answer: D
Rationale: Paracortex is rich in T-lymphocytes; primary/secondary follicles and medullary cords contain B-lymphocytes.
Question 2 of 5
function of macrophage
Correct Answer: D
Rationale: Macrophages phagocytose debris , destroy erythrocytes , and contribute to iron metabolism (part of B); all apply.
Question 3 of 5
Histological characteristics of the mononuclear phagocytic cells include which of the following:
Correct Answer: A
Rationale: Mononuclear phagocytes (macrophages) have irregular surfaces with pseudopodia for phagocytosis ; Golgi and sER are present but not defining , peroxisomes are not notable , nuclei vary .
Question 4 of 5
What is the most abundant complement protein in the human body?
Correct Answer: C
Rationale: C3 is the most abundant complement protein , central to all activation pathways; C1, C2, C4 are less abundant.
Question 5 of 5
What are the two types of TCRs?
Correct Answer: A
Rationale: TCRs are alpha-beta or gamma-delta; AB/CD/YD/CD are not standard notations.