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Pharmaceutics-1 B pharmacy QB SEM 1(by Rguhs) UNIT-1 Pharmaceutics question bank LONG ESSAY (10M) Pharmaceutics question bank Discuss in detail the historical background and development of pharmacy in India. Define prescription. with the help of an ideal example describe the importance of all the parts of a prescription. Define prescription. explain the handling of prescriptions. … Read more
Long essay 10 marks Pharmacological screening methods Enumerate methods to evaluate antidepressant activity of an agent. Discuss two in vivo methods. Enlist methods to evaluate anti-diabetic activity of an agent. Discuss two in vivo method. Enumerate methods to evaluate nootropics activity of an agent. Discuss one in vivo method. Explain any two in-vivo screening methods … Read more
Bioavailability Bioavailability refers to the rate and extent of absorption of a drug from a dosage form as determined by its concentration-time curve in blood or by its excretion in urine. It is a measure of the fraction of administered dose that reaches the systemic circulation in the unchanged form. Bioavailability of drug injected i.v. … Read more
Drug absorption The transfer of medication from its delivery site into circulation is known as absorption. The rate of absorption is just as significant as the proportion of the supplied dosage that is absorbed. The medication must penetrate biological membranes unless it is administered intravenously; absorption is regulated by the principles outlined above. Drug absorption … Read more
Membrane transport is essential for cellular life. As cells proceed through their life cycle, a vast amount of exchange is necessary to maintain function. Transport may involve the incorporation of biological molecules and the discharge of waste products that are necessary for normal function. Pharmacokinetics The quantitative study of drug transport in, through, and out … Read more
Routes of drug administration: most drugs can be administered by a variety of routes. The choice of appropriate route in a given situation depends both on the drug as well as patient-related factors. Mostly common sense considerations, feasibility, and convenience dictate the route to be used. Various routes of drug administration are Local routes Drugs … Read more
Essential medicines concept The WHO has defined Essential medicines concept as “those that satisfy the priority healthcare needs of the population.” They are selected with due regard to public health relevance, evidence of efficacy and safety, and comparative cost effectiveness. Essential medicines are intended to be available within the context of functioning health systems at … Read more
Drug compendia Drug compendia are compilations of information on drugs in the form of monographs; without going into the theoretical concepts, mechanisms of action, and other aspects which help in understanding the subject. Pharmacopeias and formularies are brought out by the government of a country, hold legal status, and are called official compendia. In addition, … Read more
Drug nomenclature A drug generally has three categories of names: Chemical name A code name, e.g. RO 15-1788 (later named flumazenil) may be assigned by the manufacturer for convenience and simplicity before an approved name is coined. It describes the substance chemically but is cumbersome and not suitable for use in prescribing. A code name … Read more
Pharmacology Introduction to Pharmacology: The science of drugs is pharmacology (Greek: pharmacon—drug; logos—discourse). In a broad sense, it is concerned with the interaction of exogenously delivered chemical molecules with living systems, or any chemical substance capable of eliciting a biological reaction. It includes all elements of drug knowledge, but especially those that are pertinent to … Read more