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ATI RN · ATI Medical Surgical · Immune System Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the following is NOT commonly associated with granulomatous hypersensitivity?

A. Crohn's disease

B. Sarcoidosis

C. Systemic lupus erythematosus (SLE)

D. Tuberculosis

Expert Explanatory Rationale

Correct Answer: Systemic lupus erythematosus (SLE)

Question 2 of 5

Which rationale describes treatment of atopic allergies with immunotherapy?

A. It decreases the levels of allergen-specific T helper cells.

B. It decreases the level of IgE so that it does not react as readily with an allergen.

C. It stimulates increased IgG to bind with allergen-reactive sites, preventing mast cell-bound IgE reactions.

D. It gradually increases the amount of allergen in the body until it is no longer recognized as foreign and does not elicit an antibody reaction.

Expert Explanatory Rationale

Correct Answer: It stimulates increased IgG to bind with allergen-reactive sites, preventing mast cell-bound IgE reactions.

Question 3 of 5

Which major advantage is specific to external fixation devices?

A. Faster healing time

B. Allowance for immediate weight bearing

C. Greater freedom of movement

D. Pain reduction

Expert Explanatory Rationale

Correct Answer: Greater freedom of movement

Question 4 of 5

The basic structure of an antibody molecule is

A. One light chain and one heavy chain that are covalently linked and form one antigen binding site

B. Two identical heavy chains and two identical light chains that are covalently linked and form two antigen binding sites

C. Two identical heavy chains and two identical light chains covalently linked to form one antigen binding site

D. Two identical light chains that form the antigen binding site and two identical heavy chains that mediate the effector functions of antibodies

Expert Explanatory Rationale

Correct Answer: Two identical heavy chains and two identical light chains that are covalently linked and form two antigen binding sites

Question 5 of 5

The patient has received a bone marrow transplant. Soon after the transplant there is a rash on the patient's skin. She says her skin is itchy and she has severe abdominal pain. What best summarizes what is happening to the patient and how she will be treated?

A. Graft rejection occurring; treat with different immunosuppressive agents

B. Dry skin and nausea are side effects of immunosuppresants; decrease the dose

C. Transplanted bone marrow is rejecting her tissue; prevent with immunosuppressive agents

D. Dry skin from the dry air and nausea from the food in the hospital; treat with humidifier and home food

Expert Explanatory Rationale

Correct Answer: Transplanted bone marrow is rejecting her tissue; prevent with immunosuppressive agents

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