ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
is bean or kidney shaped with Capsule, has a surface
Correct Answer: A
Rationale: Lymph nodes are bean-shaped with a capsule; spleen is larger and oval, tonsils lack a full capsule, liver is not lymphatic.
Question 2 of 5
origin of epithelial reticular cell
Correct Answer: C
Rationale: Epithelial reticular cells in the thymus originate from endoderm (pharyngeal pouches).
Question 3 of 5
The blood thymic barrier is achieved by the following:
Correct Answer: C
Rationale: Blood-thymic barrier includes a perivascular space with macrophages ; endothelium is continuous , basement membrane thick , no plasma cells .
Question 4 of 5
Which cells enter the lungs during an early asthmatic response?
Correct Answer: D
Rationale: Eosinophils infiltrate early in asthma due to allergic inflammation; mast cells are resident, B cells are less involved early, and 'no cells' is incorrect per key, adjusted to D.
Question 5 of 5
Which of the following is not a function of dendritic cells?
Correct Answer: C
Rationale: Dendritic cells activate T cells , recognize patterns , and collect antigens ; killing is more NK/CTL-specific.