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

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Cell-associated differentiation antigens (CDs) are functional cell surface proteins or receptors that can be measured in situ.

A. Detecting these soluble molecules may help in the management of disease

B. In normal individuals the concentration of these molecules in serum is always low

C. Thousands of CDs have been characterized

D. All of the above are true

Correct Answer: All of the above are true

Question 2 of 5

Which of the following options best describes an opsonising agent?

A. Surfactants

B. Antibodies

C. C3b

D. All of the above

Correct Answer: C3b

Question 3 of 5

is irregular barrel shap that lined by fenestrated cells with non Contineons basement membrane

A. red pulp

B. blood sinusoid

C. splenic card

D. white pulp

Correct Answer: blood sinusoid

Question 4 of 5

What is the primary source of lymph?

A. Blood plasma

B. Interstitial fluid

C. Digestive juices

D. Sweat

Correct Answer: Interstitial fluid

Question 5 of 5

An example of type III immune complex disease is:

A. Contact dermatitis

B. Graft rejection

C. Serum sickness

D. Atopy

Correct Answer: Serum sickness

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