Upon antigen recognition, B-cells can differentiate into ______ and T-cells can differentiate into ______.

How do we refer to a lymph node where lymphocytes encounter lymph-borne antigens?

Which of the following receptors on macrophages bind to C3b components that have been deposited on the pathogens surface?

Pathogen-specific lymphocytes that are activated to fight against that pathogen would have gone through a process of selection and proliferation.

Which of the following is false about the initial protease of the complement pathways?

The site of T-cell maturation is:

The immune system involves two responses, a fixed innate immune response and a flexible adaptive immune response.

Which of the following scenarios could lead an opportunistic pathogen to cause disease?

C3, the least important complement component, forms two fragments; C3b, which works as a chemoattractant, and C3a, which tags pathogens for destruction.

Which of the following is true about the binding of factor H to C3b?