This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Granulocyte transfusion is recommended when WBC count is below ? 
Select and explain. 
A. 2000/ul, B. 1000/ul, C. 500/ul, D. 150/ul
C: 500/ul
Answer: C: 500/ul 
Explanation: The use of granulocyte colony-stimulating factor for donor stimulation has revived interest ingranulocyte transfusion. ... SUMMARY:Granulocyte transfusions are beneficial in neutropenic patients with severe uncontrolled infection. The underlying disease process is the major determinant of outcome in these patients