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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
Longest acting insulin is
assistant
The correct answer is  (Protamine zinc insulin) (259-KDT 6th)Types of Insulin Preparations and Insulin analogues1. Rapid acting- Insulin lispro, Insulin aspart, Insulin glulisine2. Short acting- Regular (soluble) insuline3. Intermediate acting- Insulin zinc suspension or Lente, Neutral protamine hagedorm (NPH) or Isophane insulin4. Long acting- Protamine zinc insulin (PZI), Insulin glargine