Which characteristics of adaptive immunity is responsible for disruption of

Which characteristics of adaptive immunity is responsible for disruption of the patient’s normal immune function from chemotherapy?A. Epitomes on antigens are recognized by immunoglobulin receptors following presentation by accessory cellsB. Happens combine to form epitomes that stimulate the response of regulatory and effector cellsC. Effector cells orchestrate the immune response of regulatory cells towards an antigenD. Accessory cell such as macrophages are engulfed by regulatory cells, stimulating effector cells