This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Clozapine therapy should be stopped when WBC count falls lower than 
Select and explain. 
A. 3000 / mm3, B. 1500 / mm3, C. 2000 / mm3, D. 1000 / mm3
A: 3000 / mm3
Answer: A: 3000 / mm3 
Explanation: Clozapine can lead to agranulocytosis and hence therapy should be stopped if WBC count falls below 3000 / mm3 or neutrophil count falls below 1500 / mm3.