This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
Second generation cephalosporin that can be used orally is 
Select and explain. 
A. Cefipime, B. Cephalothin, C. Cefaclor, D. Cefadroxil
C: Cefaclor
Answer: C: Cefaclor 
Explanation: Ans. c (Cefaclor). (Ref. Pharmacology by KD Tripathi - 6th/pg. 704)GenerationOralParenteral1stCephalexinCefadroxilCephradineCephalothinCefazolin2ndCefaclorCefuroximeCefuroximeCefoxitin3rd QCefiximeCefpodoximeCefdinirCeftibuteCefoperazoneCefotanimeCeftizoximeCeftriaxoneCeftazidime4th--CefepimeCefpirome