243.Absobtion of Vitamin B12 takes place through

a.deodenum
b.jejunum
c.Illeum
d.Colon

Ans-c.Illeum

242.All of the following drugs causes hyperkalemia except

a.NSAIDS
b.Heparin
c.Amphotericin B
d.cyclosporine

Ans-c.Amphotericin B

241.For how long EDTA remains active within the root canal if not inactivated?

a.5days
b.8days
c.10days
d.15days

Ans-5 days