ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
Dual recognition: self MHC + peptide antigen
Correct Answer: B
Rationale: TCRαβ recognizes self MHC plus peptide antigen.
Question 2 of 5
The B cell co-receptor can co-cluster with the BCR and increase the efficiency of signaling. Which of the following proteins does NOT make up the co-receptor?
Correct Answer: B
Rationale: The B cell co-receptor includes CD19, CD21, and CD81; CD20 is a separate B cell marker not part of the co-receptor.
Question 3 of 5
Lyse certain virally infected cells and some tumor cells
Correct Answer: D
Rationale: T-cytotoxic (CD8+) cells lyse virally infected and tumor cells.
Question 4 of 5
Granulocyte-macrophage colony-stimulating factor (GM-CSF) causes an increase in the production of which of the following?
Correct Answer: D
Rationale: GM-CSF boosts production of neutrophils and monocytes/macrophages.
Question 5 of 5
Epithelial cells take up antigens that are inhaled or ingested, through the process of
Correct Answer: D
Rationale: M cells in MALT use pinocytosis to uptake antigens.