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: Pharmacology
Lente insulin is composed of: 
Select and explain. 
A. 30% Amorphous + 70% Crystalline insulin, B. 30% Crystalline + 70% Amorphous insulin, C. Same as NPH insulin, D. Only 70% amorphous insulin
A: 30% Amorphous + 70% Crystalline insulin
Answer: A: 30% Amorphous + 70% Crystalline insulin 
Explanation: Answer- A. 30% Amorphous + 70% Crystalline insulinLente insulin is a 7:3 mixture of long acting ultralente (crystalline) and sho-acting semilente (amorphous) insulin zincsuspension.Long Actinglnsulin glargineInsulin detemirInsulin degludecProtamine zinc insulin