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ATI RN · ATI Medical Surgical · Immune System Quiz Quizlet

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which TLR is primarily responsible for recognizing lipopolysaccharide (LPS)?

A. TLR2

B. TLR4

C. TLR5

D. TLR9

Expert Explanatory Rationale

Correct Answer: TLR4

Question 2 of 5

Which of the following is NOT a common condition associated with Type I hypersensitivity?

A. Asthma

B. Food allergies

C. Anaphylaxis

D. Systemic lupus erythematosus (SLE)

Expert Explanatory Rationale

Correct Answer: Systemic lupus erythematosus (SLE)

Question 3 of 5

Which cell type is a sentinel in the tissues and part of the innate immune system?

A. T lymphocytes

B. Dendritic cells

C. B lymphocytes

D. Plasma cells

Expert Explanatory Rationale

Correct Answer: Dendritic cells

Question 4 of 5

Which of the following lymphoid tissues has both hematopoietic and immune functions and acts as an emergency reservoir of blood and filters the blood as well?

A. Tonsils and adenoids

B. Thymus gland

C. Spleen

D. Lymph nodes

Expert Explanatory Rationale

Correct Answer: Spleen

Question 5 of 5

Priority Decision: On assessment of a central venous access device (CVAD) site, the nurse observes that the transparent dressing is loose along two sides. What should the nurse do immediately?

A. Wait and change the dressing when it is due

B. Tape the two loose sides down and document

C. Apply a gauze dressing over the transparent dressing and tape securely

D. Remove the dressing and apply a new transparent dressing using sterile technique

Expert Explanatory Rationale

Correct Answer: Remove the dressing and apply a new transparent dressing using sterile technique

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