This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
Alkanization of urine is done for: 
Select and explain. 
A. Weak acid drugs, B. Weak basics drugs, C. Strong acidic drugs, D. Strong basic drugs
A: Weak acid drugs
Answer: A: Weak acid drugs 
Explanation: Elimination of some drugs is by altering the pH Eg; alkalinization for weak acidic drugs, e.g. Barbiturates acidification of weak alkaline drugs or weak bases weak acids or weak bases- unionized forms- difficult to get eliminated strong acids and strong bases- ionized forms- could be eliminated easily Ref: KD Tripathi pharmacology 7th edition (page.no: 81)