ATI RN
ATI RN Test Bank
Lymphatic and Immune System Test Questions Questions
Question 1 of 4
Maternal antibodies crossing the placenta to the fetus is an example of:
Correct Answer: D
Rationale: Maternal antibodies provide natural passive immunity to the fetus.
Question 2 of 4
Antigen sequestration is
Correct Answer: C
Rationale: Sequestration isolates antigens (e.g., brain); not phagocytosis , lymphocyte removal , or Peyer's .
Question 3 of 4
Polymorphonuclear granulocytes include:
Correct Answer: C
Rationale: Neutrophils are PMNs; B-cells and T-cells are lymphocytes, endothelial are structural.
Question 4 of 4
In bacterial infections, T cytotoxic cells do not seem to be very important. This is because:
Correct Answer: B
Rationale: Bacteria lack MHC I, needed for cytotoxic T cells; they're extracellular, not resistant or MHC II-related .