<prompt> Which of the following group of drugs should be avoided in diabetics?a1-blockersa2-blockersb1-blockersb2-blockers  <response>: B2 blocker or non-selective beta-blockers should be avoided in diabetics as they mask the symptoms of hypoglycemia. Cardioselective beta blockers or beta 1 blockers can be given.Ref: Katzung 13th ed Pg: 179 