NPC EXAM DAILY SERIES
1. Digitalis toxicity is enhanced by co-administration of:
(A) Potassium
(B) Quinidine
(C) Diuretics
(D) Antacids
2. The rate limiting step in cholesterol biosynthesis is one of the followings :
(A) LDL-receptor concentration
(B) VLDL secretion
(C) Mevalonic acid formation
(D) Co-enzyme A formation
3.Shilajit is a :
(A) Mineral drug
(B) Herbal drug
(C) Semisynthetic drug
(D) Herbosynthetic drug
4. Ganciclovir is mainly used for the treatment of infection caused by:
(A) Cytomegalovirus
(B) Candida albicans
(C) Herpes zoster virus
(D) Hepatitis B virus
5. Identify the one rational combination which has clinical benefit :
(A) Norfloxacin – Metronidazole
(B) Alprazolam - Paracetamol
(C) Cisapride – Omeprazole
(D) Amoxycillin - Clavulanic acid
6. Stevens Johnson sjmdrome is the most common adverse effect associated with one of the following category of drugs :
(A) Sulphonamides
(B) Macrolides
(C) Penicillins
(D) Tetracyclines
7. Amitryptyline is synthesized from the following starting material :
(A) Phthalic anhydride
(B) Terephthalic acid
(C) Phthalamic acid
(D) Phthalimide
8. The common structural feature amongst the three categories of anticonvulsant drugs barbiturates, succinimides and hydantoins is:
(A) ureide
(B) imidazolidinone
(C) dihydropyrimidine
(D) tetrahydropyrimidine
9. Nicotinic action of acetylcholine is blocked by the drug:
(A) Atropine
(B) Carvedilol
(C) Neostigmine
(D) d-Tubocurarine
10. Chemical nomenclature of procaine is:
(A) 2-Diethylaminoethyl 4-aminobenzoate
(B) N,N-Diethyl 4-aminobenzoate
(C) 4-Aminobenzamidoethyl amine
(D) 4-Amino-2-diethylaminoethyl benzoate
11. Barbiturates with substitution at the following position possess acceptable hypnotic activity :
(A) 1,3-Disubstitution
(B) 5,5-Disubstitution
(C) 1,5-Disubstitution
(D) 3,3-Disubstitution
12. Selective serotonin reuptake inhibitor is:
(A) Imipramine
(B) Iproniazide
(C) Fluoxetin
(D)Naphazoline
13. Proton pump inhibitors like omeprazole and lansoprazole contain the following ring system :
(A) Pyrimidine
(B)Benzimidazole
(C) Benzothiazole
(D) Oxindole
14. A metabolite obtained from Aspergillus terreus that can bind very tightly to HMG CoA reductase enzyme is:
(A) Fluvastatin
(B) Cerivastatin
(C) Lovastatin
(D) Somatostatin
15. Cyclophosphamide as anticancer agent acts as:
(A) alkylating agent before metabolism (B)alkylating agent after metabolism
(C) phosphorylating agent after metabolism (D) DNA intercalating agent