This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Ehrlichia effects 
Select and explain. 
A. Endothelial cell, B. Neutrophils, C. RBC, D. Macrophages
B: Neutrophils
Answer: B: Neutrophils 
Explanation: Ehrlichia are small gram negative,obligate intrcintracellular bacteria which have affinity towards bloodcells.Ehrichia chaffeensis cause human monocyte ehrlichiosis and E.phagocytophilia cause human granulocytic ehrlichiosis which effects granulocytes (neutrophils) Ref:ananthnarayan and paniker's microbiology 10th edition