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ATI LPN · Anatomy and Physiology · Lymphatic System Multiple Choice Questions and Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Lymphatic fluid is rich in

A. Iron

B. Antibodies

C. Neutrophils

D. Basophils

Correct Answer: Antibodies

Question 2 of 5

Which is the major difference between CD8+ and NK cell cytotoxicity?

A. Only natural killer cells induce target cell death by apoptosis

B. Cytotoxic T cells only kill host cells infected with intracellular bacteria

C. NK cells only use perforins and granzymes to induce cytotoxicity

D. Cytotoxic T cells recognize virus-infected cells by recognizing viral antigens on the surface of the target cell

Correct Answer: Cytotoxic T cells recognize virus-infected cells by recognizing viral antigens on the surface of the target cell

Question 3 of 5

What are the three main functions of the complement system?

A. Building membrane attack complexes (MACs)

B. Opsonizing invaders

C. Serving as chemoattractants

D. All of the above

Correct Answer: All of the above

Question 4 of 5

Instant and immediate protection obtained through:

A. Active immunity

B. Natural induced immunity

C. Passive immunity

D. Vaccination

Correct Answer: Passive immunity

Question 5 of 5

Complete this sentence. Mature dendritic cells.

A. Show reduced surface expression of MHC1 protein

B. Uptake antigens by endocytosis and macropinocytosis

C. Develop finger like projections that facilitate antigen presentation

D. Present antigens to granulocytes

Correct Answer: Develop finger like projections that facilitate antigen presentation

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