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1. Histamine H2 blockers attenuate the gastric secretory response to acetylcholine and pentagastrin as well because: A. H2 blockers block ...Read More
1. The percentage of elemental iron in hydrated ferrous sulfate is: A. 5% B. 10% C. 20% D. 33% ANSWER: ...Read More
1. Select the diuretic which is orally active, efficacious in acidosis as well as alkalosis, causes diuresis even in renal ...Read More
1. The following factors enhance renin release from the kidney except: A. Fall in blood pressure B. Reduction in blood ...Read More
1. Gonadotropins are indicated in the following conditions except A. Hypogonadotrophic hypogonadism in males B. Cryptorchism in a boy less ...Read More
1. Pancuronium differs from tubocurarine in that A. It is a depolarizing blocker B. Its action is not reversed by ...Read More
1. The minimal alveolar concentration of an inhalational anaesthetic is a measure of its: A. Potency B. Therapeutic index C ...Read More
1. Antitussives act by: A. Liquifying bronchial secretions B. Raising the threshold of cough centre C. Reducing cough inducing impulses ...Read More
1. Histamine exerts the following actions except: A. Dilatation of large blood vessels B. Dilatation of small blood vessels C ...Read More
1. The major postjunctional cholinergic receptor is of the muscarinic type at the following site (a) Postganglionic parasympathetic (b) Adrenal ...Read More
1. Anticancer drugs weaken host defence by: A. Damaging respiratory and gut epithelia B. Inducing granulocytopenia C. Altering resident microbial ...Read More
1. Choose the antimicrobial which acts by interfering with DNA function in the bacteria: A. Chloramphenicol B. Ciprofloxacin C. Streptomycin ...Read More
1. A receptor which itself has enzymatic property is (a) Insulin receptor (b) Progesterone receptor (c) Thyroxine receptor (d) Glucagon ...Read More
Pharmacology is the science of drug action on biological systems. It embraces the knowledge of the sources, chemical properties, biological effects and therapeutic uses of drugs. It is a science that is basic not only to medicine but also to the pharmacy, nursing, dentistry and veterinary medicine.
Pharmacological studies range from those that determine the effects of chemical agents upon subcellular mechanisms, to those that deal with the potential hazards of pesticides and herbicides, to those that focus on the treatment and prevention of major diseases by drug therapy. Pharmacologists are also involved in molecular modelling of drugs, and the use of drugs as tools to dissect aspects of cell function.
Pharmacology is an essential subject to understand the action of drugs. I have made an attempt to provide you with some materials about pharmacology, drug classifications and some others in this Rudras Pharma Lores site.