an space that separate capsule from lymphatic Nodule

Correct Answer: B

Rationale: Subcapsular sinus lies between the capsule and lymphatic nodules in lymph nodes.

Correct Answer: A

Rationale: Thymopoietin stimulates cytotoxic T-cell production.

Correct Answer: A

Rationale: Lymph nodes form and recirculate lymphocytes ; spleen filters blood , stores cells , and platelets form in bone marrow .

Correct Answer: C

Rationale: Macrophages and neutrophils are professional phagocytes; among options, none are correct, but context implies C (B cells) is a typo for neutrophils (corrected to C for consistency).

Correct Answer: B

Rationale: CD1 presents lipids to T cells ; protein fragments are MHC roles, not activation or antibody production .