function of epithelial reticular cell

ATI RN

ATI RN Test Bank

Immune System Practice Questions Questions

Question 1 of 5

A. secrete thymic hormone that promote T-cell proliferation B. form sheet around septa, blood vessels C. nursing cell for lymphocyte during differentiation D. All the above

Correct Answer: D

Rationale: Epithelial reticular cells secrete hormones , form barriers , and nurse T-cells ; all apply.

Question 2 of 5

Lung tumors are not always the result of smoking and also occur in nonsmokers. In whom are these tumors found in particular?

A. More often in men than in women B. More often in women than in men C. In both women and men equally D.

Correct Answer: B

Rationale: Non-smoking-related lung tumors, like adenocarcinoma, are more common in women due to genetic and environmental factors.

Question 3 of 5

Why are MHC II molecules necessary for antigen presentation by APCs?

A. Because T cells only recognize presented antigens B. Because MHC II presents small fragments of proteins C. Because many pathogens reproduce in tissues or blood D. All of the above

Correct Answer: D

Rationale: MHC II is essential as T cells recognize peptide-MHC complexes , it presents fragments , and pathogens are extracellular ; all apply .

Question 4 of 5

Why is death by apoptosis a tidier way to die than via necrosis?

A. Apoptotic cells are destroyed by macrophages, preventing the release of cell contents into the tissues B. Necrotic cells are surrounded by a membrane, preventing the release of cell contents into the tissues C. Apoptotic cells release their contents into the tissues, causing inflammation and damage D.

Correct Answer: A

Rationale: Apoptosis is tidy as macrophages clear cells without leakage ; necrosis releases contents, causing inflammation (C is reversed).

Question 5 of 5

Select the statement that is true about the spleen

A. The spleen filters the lymph much the same way the lymph nodes filter the blood B. The spleen harbors eosinophils waiting for parasites to attack the body C. The spleen is the major site of red and white blood cell production in the adult D. The spleen filters the blood much the same way the lymph nodes filter the lymph

Correct Answer: D

Rationale: The spleen filters blood, not lymph ; lymph nodes filter lymph (A reversed), eosinophils aren't spleen-specific, and adult blood production is in bone marrow.

Access More Questions!

ATI RN Basic

$89/ 30 days

ATI RN Premium

$150/ 90 days

function of epithelial reticular cell

Nurselytic

ATI RN

ATI RN

Immune System Practice Questions Questions

Question 1 of 5

Question 2 of 5

Question 3 of 5

Question 4 of 5

Question 5 of 5

Access More Questions!

ATI RN Basic

ATI RN Premium

Similar Questions