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The following is true regarding a cell membrane: (1)1.        Consists of an uninterrupted non-polar section only2.        Majority of the membrane is non-polar in nature3.        Aqueous channels allow non-polar drug to enter the cell4.        The polar membrane is interrupted with aqueous channels5.        Slit junctions form the major part

The following is used in the diagnosis of myasthenia gravis: (1)1.        Pilocarpine2.        Adrenaline3.        Cocaine4.        Edrophonium5.        Atropine

The following can increase half-life of a drug except: (1)1.        Diminished renal flow as result of a heart failure2.        Decreased extraction ratio as in renal disease3.        Decreased metabolism4.        Increased protein binding5.        Increased fat tissue in case of polar drugs.

A synthetic thyroxine sodium most commonly used is: (1)1.        Levothyroxine sodium2.        Carbimazole 3.        Potassium iodide solution4.        Radioactive iodine I131]5.        Liothyronine sodium

The following drug can be used for prevention of P. falciparum malaria during pregnancy: (1)1.        Atovaquone-proguanil2.        Metronidazole3.        Doxycycline4.        Mefloquine5.        Quinine

The following gastrointestinal agent cause discoloration of the tongue (black tongue): (1)1.        Amoxicillin2.        Lubiprostone3.        Sucralfate4.        Calcium carbonate5.        Bismuth subsalicylate

The following drug is indicated for both acute and chronic ulcerative colitis: (1)1.        Sulfasalazine2.        Prochlorperazine3.        Ciprofloxacin4.        Propantheline5.        Hyoscine butylbromide

Correct sequence of an administered drugs’movement through the body: (1)1.       Distribution – absorption – excretion– metabolism2.        Absorption – metabolism – excretion– distribution3.        Metabolism – absorption – distribution – excretion4.       Distribution – excretion– absorption – metabolism5.        Absorption – distribution – metabolism – excretion

The following suppress the cough center in the medulla: (1)1.        Guaifenesin2.        Bromhexine3.        Dextromethorphan4.        Salbutamol5.        Doxylamine

The following are receptor families except: (1)1.        Ligand-gated ion channels2.        G-Protein-coupled receptors3.        Enzyme linked receptors4.        Intracellular receptors5.        Free receptors