This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Nitrogylerine is effective when admistered sublingually because it is 
Select and explain. 
A. Non ionized and lipid soluble, B. Ionized and lipid soluble, C. Non ionized and water insoluble, D. Ionized and water water insoluble
A: Non ionized and lipid soluble
Answer: A: Non ionized and lipid soluble 
Explanation: Nitroglycerin is effective when retained sublingually because it is non inonized and has very high lipid solubiility.thus the drug is absorbed very quickly Refer KDT 7th/e P6