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ATI LPN · Anatomy and Physiology · Immune System NCLEX Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Adoptive transfer of acquired immune responsiveness involves the transfer of:

A. Antibody

B. Complement

C. Phagocytes

D. Lymphocytes

Expert Explanatory Rationale

Correct Answer: Lymphocytes

Question 2 of 5

Patients with recurrent infections of Neisseria meningitidis, an extracellular bacterial pathogen that causes meningitis, were found to have defects in complement activation on the bacterial surface, a process that for this bacterium is dominated by alternative complement activation leading to C3b deposition on the pathogen surface. Based on these data, the identity of the green neutrophil mediator in Figure Q2.19 is likely to be:

A. Complement factor B

B. The C3 convertase

C. Factor P (properdin)

D. C3b

Expert Explanatory Rationale

Correct Answer: C3b

Question 3 of 5

Cell mediated immunity is carried out by while humoral immunity is mainly carried out by

A. B cells/T cells

B. Epitopes/Antigens

C. T cells/B cells

D. Antibodies/Antigens

Expert Explanatory Rationale

Correct Answer: T cells/B cells

Question 4 of 5

Which innate immune cell efficiently kills antibody coated parasites?

A. Macrophages

B. Eosinophils

C. Neutrophils

D. Basophils

Expert Explanatory Rationale

Correct Answer: Eosinophils

Question 5 of 5

Lysis of cells by complement is finalized by the formation of:

A. C1q

B. Immune Complexes

C. Membrane Attack Complex

D. Properdin

Expert Explanatory Rationale

Correct Answer: Membrane Attack Complex

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