The expression of γ:δ T cell receptor results in lymphocytes with 'innate like' features, an example of which is that these cells:

Correct Answer: C

Rationale: γδ T cells have innate-like effector roles (e.g., cytokine production), recognizing non-MHC ligands.

Correct Answer: D

Rationale: HIV targets CD4 on T-helper cells; not CD8 , MHC , or others (C, E).

Correct Answer: D

Rationale: IgM is most effective due to pentameric structure; IgG3 is strong but less so.

Correct Answer: D

Rationale: B-cells produce antibodies for humoral immunity; T cells are cell-mediated.

Correct Answer: A

Rationale: Specific immunity (adaptive) involves antigens (trigger), antibodies (response), and complement pathways, making all options relevant.