While reviewing the white blood cell count differential for a patient, the nurse notes that the basophil count is elevated. What does this laboratory value indicate to the nurse?
1. The patient is experiencing an acute hypersensitivity reaction.
2. The patient has a parasitic infection.
3. The patient is fighting chronic infection.
4. The patient is fighting cancer.
1
Rationale 1: Basophils release heparin, histamine, and other inflammatory mediators into the bloodstream. They play an exceedingly important role in allergic reactions.
Rationale 2: Eosinophils are thought to be responsible for protecting the body from parasites.
Rationale 3: Monocytes and macrophages activate the immune response against chronic infections.
Rationale 4: There is no specific connection between increased basophils and the presence of cancer.
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