system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Regarding phenytoin all are true except
assistant
The correct answer is  At lower concentration it follows zero order kinetics A child with respiratory infection and membrane over peritonsillar area is suspected of having Diptheria. Both Blood Tellurite media & Loeffler serum slope can be used for culture but Diptheria is one emergency so the media in which it can be cultured quickly is used (Loeffler serum slope). Loeffler serum yield colony in 6-8 hrs Blood Tellurite yield colony in --3 36-48 hrs