While reviewing a patient's laboratory values, the nurse notes that the Complement 3b level is below normal limits. This finding would result in which of the following patient responses?
1. The body is not going to recognize all offending cells or antigens for elimination.
2. The body will not be able to call phagocytic cells to areas of infection.
3. The body will not be able to recognize the need for platelets to stop blood lost from vessel injury.
4. The body will not be able to inhibit tumor development caused by chronic inflammation.
The body is not going to recognize all offending cells or antigens for elimination.
Rationale: The function of Complement 3b is to coat or attach to antigens or offending cells to make the cells/antigens attractive to phagocytes in order to consume the cell or antigen. Levels below normal limits mean the body might not be able to recognize all offending cells or antigens for elimination. Complements 3b and 5a are responsible for calling phagocytic cells to areas of infection. Tissue factor is the chemical that stimulates platelets to clot and stop the flow of blood from injured vessels. Tumor necrosis factor is the chemical that inhibits tumor development caused by chronic inflammation.
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