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ATI RN · Obstetrics and Pediatrics · NCLEX Pediatric Immunization Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Neutrophils

A. Phagocytosis and bacteriocidal mechanisms, antigen presentation

B. Lysis of some virally infected cells

C. Killing parasites

D. Phagocytosis and bacteriocidal mechanisms

Expert Explanatory Rationale

Correct Answer: Phagocytosis and bacteriocidal mechanisms

Question 2 of 5

The spleen, the major filter for blood, is about the size of a clenched fist and is found on the side associated posteriorly with ribs

A. Left; 7-9

B. Left; 9-11

C. Right; 5-7

D. Right; 7-9

Expert Explanatory Rationale

Correct Answer: Left; 9-11

Question 3 of 5

B cells whose BCRs bind antigen with high-affinity receive survival signals (called selection) from follicular dendritic cells (FDCs) and germinal center T cells, whereas those that fail to bind antigen

A. Positive; Proliferate

B. Positive; Die (apoptosis)

C. Negative; Proliferate

D. Negative; Die (apoptosis)

Expert Explanatory Rationale

Correct Answer: Positive; Die (apoptosis)

Question 4 of 5

Which of the following best describes the affinity of antibody secreted for effector B cells?

A. High

B. Low

C. Increases during response

D. Decreases during response

Expert Explanatory Rationale

Correct Answer: Increases during response

Question 5 of 5

Which of the following is least important in fighting extracellular pathogen

A. Macrophage

B. B cells

C. CD8 lymphocyte

D. CD4 lymphocyte

Expert Explanatory Rationale

Correct Answer: CD8 lymphocyte

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