Which of the following drugs does not cross blood placental barrier?
Ans. (B) Glycopyrrolate(Ref: KDT 8th/e p124)Glycopyrrolate is a quarternary ammonium compounds and is thus water soluble and unable to penetrate BBB.
Atropine
Glycopyrrolate
Physostigmime
Hyoscine hydro bromide
A.N.S.