Which of these leukocytes is incorrectly matched with its characteristic? A. eos

Question

Which of these leukocytes is incorrectly matched with its characteristic? A. eosinophils - cytotoxic cells may live only 6-12 hours B. basophils - have granules containing histamine and heparirn C. neutrophils - most abundant white cell D. neutrophils - most difficult to identify E. eosinophils - numbers increase with allergies and parasites All of the following are characteristics of acquired immunity EXCEPT A. humoral immunity B. nonspecific immunity C. adaptive immunity Which of the following are NOT antigen-presenting cells (APCs)? A. lymphocytes B. monocytes C. dendritic cells D. neutrophils

Explanation / Answer

D- Neutrophil granulocytes are easy to find. They are the most frequent type of white blood cells, and the complex shape of their nucleus identifies them unequivocally. In darkly stained smears it is possible to see some faintly purple, very small granules in the cytoplasm.

B- Their actions are specifically directed against the antigen that initiated the response.

D- neutrophils

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