This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
[{'content': 'Slow onset of action is seen with? \nSelect and explain. \nA. Glargine, B. Lispro, C. Regular, D. NPH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: TYPE ONSET (MIN/HR) PEAK (HR) DURATION RAPID ACTING Aspa 5-15 min 0.5-1.5 3-4 Lispro 5-15 0.5-1.5 3-4 SHO ACTING Human regular 30-60 2-3 4-6 Intermediate Lente 2-4 hr 6-12 18-26 NPH 2-4 4-12 18-26 LONG ACTING Determir 1-4 5-24 20-24 Glargine 1-4 5-24 20-24 Ultralente 4-8 10-30 Over 36', 'role': 'assistant'}]