Saturday, November 24, 2018
Tuesday, November 13, 2018
Online GPAT Test practice 2018-19
Online GPAT Test practice 2018-19
Quiz
- An 'orphan drug' is:
- A very cheap drug
- A drug which has no therapeutic use
- A drug needed for treatment or prevention of a
rare disease - A drug which acts on Orphanin receptors
- In addition to slow intravenous infusion, which of the following routes of administration allows for titration of
the dose of a drug with the response:- Sublingual
- Transdermal
- Inhalational
- Nasal insufflation
- Which of the following drugs is administered by intranasal spray/application for systemic action:
- Phenylephrine
- Desmopressin
- Azelastine
- Beclomethasone dipropionate
- Select the route of administration which carries the highest risk of adversely affecting vital functions:
- Intra arterial injection
- Intrathecal injection
- Intravenous injection
- Intramuscular injection
- Alkalinization of urine hastens the excretion of:
- Weakly basic drugs
- Weakly acidic drugs
- Strong electrolytes
- Nonpolar drugs
- Majority of drugs cross biological membranes primarily by:
- Passive diffusion
- Facilitated diffusion
- Active transport
- Pinocytosis
- Which of the following drugs is most likely to be absorbed from the stomach
- Morphine sulfate
- Diclofenac sodium
- Hyoscine hydrobromide
- Quinine dihydrochloride
- Which of the following is a weakly acidic drug:
- Atropine sulfate
- Chloroquine phosphate
- Ephedrine hydrochloride
- Phenytoin sodium
- Active transport of a substance across biological membranes has the following characteristics except:
- It is specific
- It is pH dependent
- It is saturable
- It requires metabolic energy
- Bioavailability of drug refers to:
- Percentage of administered dose that reaches
systemic circulation in the unchanged form - Ratio of oral to parenteral dose
- Ratio of orally administered drug to that excreted
in the faeces - Ratio of drug excreted unchanged in urine to
that excreted as metabolites
- Percentage of administered dose that reaches
- Tricyclic antidepressants can alter the oral absorption of many drugs by:
- Complexing with the other drug in the intestinal
lumen - Altering gut motility
- Altering gut flora
- Damaging gut mucosa
- Complexing with the other drug in the intestinal
- A prototype is-
- Main member of a class of drugs
- The oldest member of a class of drugs
- An inactive drug that is transformed in the
body to an active metabolite - A drug that is stored in body tissues and is then
gradually released in the circulation
- A prodrug is:
- The prototype member of a class of drugs
- The oldest member of a class of drugs
- An inactive drug that is transformed in the
body to an active metabolite - A drug that is stored in body tissues and is then
gradually released in the circulation
- Which of the following is a prodrug
- Hydralazine
- Clonidine
- Captopril
- Enalapril
- The most commonly occurring conjugation reaction for drugs and their metabolites is:
- Glucuronidation
- Acetylation
- Methylation
- Glutathione conjugation
- Microsomal enzyme induction can be a cause of:
- Tolerance
- Physical dependence
- Psychological dependence
- Idiosyncrasy
- The following drug metabolizing reaction is entirely nonmicrosomal:
- Glucuronide conjugation
- Acetylation
- Oxidation
- Reduction
- Select the drug that undergoes extensive first-pass metabolism in the liver:
- Phenobarbitone
- Propranolol
- Phenylbutazone
- Theophylline
- Drugs which undergo high degree of first-pass metabolism in liver:
- Have low oral bioavailability
- Are excreted primarily in bile
- Are contraindicated in liver disease
- Exhibit zero order kinetics of elimination
- Glomerular filtration of a drug is affected by its:
- Lipid solubility
- Plasma protein binding
- Degree of ionization
- Rate of tubular secretion
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