Identify the outward signs of inflammation that re

ATI RN

ATI RN Test Bank

Identify the outward signs of inflammation that results from increased capillary permeability.

A. Heat and redness B. Heat and pain C. Redness and swelling D. Swelling and pain

Correct Answer: D

Rationale: Increased permeability leads to swelling and pain.

Lymph flows:

A. in a circular pattern within the tissues B. away from the heart only C. toward the heart only D. both toward and away from the heart

Correct Answer: C

Rationale: Lymph flows toward the heart via one-way vessels; not circular , away only , or bidirectional ; capillaries are blood-related.

Complement membrane attack complex can be activated by

A. IgE B. IgA C. IgD D. IgG

Correct Answer: D

Rationale: IgG and IgM activate complement; IgE , IgA , and IgD don't.

Which of the following can be an antigen presenting cell through MHC Class II:

A. Bacterial B. Macrophage C. Neutrophils D. Red blood cells

Correct Answer: B

Rationale: Macrophages present via MHC II; bacteria are antigens, neutrophils and RBCs don't present, T-cells receive.

Based upon the above information, which component of the immune system would you expect to be abnormal?

A. T cells B. B cells C. Complement D. Neutrophils

Correct Answer: A

Rationale: T cells fight chronic viral infections; B cells , complement , neutrophils , and eosinophils are less likely.

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