A nurse is providing care for a client who is immunocompromised following chemotherapy. The nurse knows which of the following characterizations of the adaptive immune system listed below is responsible for the client's disruption in his normal immune fun
A)
Epitopes on antigens are recognized by immunoglobulin receptors following presentation by accessory cells.
B)
Haptens combine to form epitopes that stimulate the response of regulatory and effector cells.
C)
Effector cells orchestrate the immune response of regulatory cells toward an antigen.
D)
Accessory cells such as macrophages are engulfed by regulatory cells, stimulating effector cells.
Ans:
A
Feedback:
In the adaptive immune response, accessory cells present antigen epitopes to receptors, initiating the immune response of lymphocytes. Epitopes may combine to form haptens, and regulatory cells orchestrate effector cells. Regulatory cells do not engulf accessory cells.
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