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A Biologically active substance, which when biodistributed in the body is expected to modify one or more of its functions.
Pharmaceutics Pharmacist Competitive Exams
Q. A Biologically active substance, which when biodistributed in the body is expected to modify one or more of its functions.
Ans → drug
Explanation →
This question is taken from the test/quiz post: one liners Pharmaceutics| B.Pharmacy| Pharmacy file-3 - attemp/practice
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Q. An Obstacle such as coating or embedding, which acts as a factor controlling the rate of drug release.
Ans → diffusion barrier
Explanation →
Q. Name a stage in the drying of solids, above which the drying rate is linear, at which the drying rate ceases to be linear, until it reaches the equilibrium moisture content.
Ans → critical moisture content
Explanation →
Q. Formulation in which individual doses of a granulated dosage form are separated
Ans → divided granule
Explanation →
Q. Type of comparative bioavailability study designed in such a way as to take into account differences in bioavailability arising from differences between patients suffering from disease
Ans → crossover study
Explanation →
Q. Powder formulation in which individual doses of a powdered dosage form are separately wrapped
Ans → divided powder
Explanation →
Q. Name term that describes a solid of regular shape and the presence of three-dimensional order on the level of atomic dimensions, for a given molecule.
Ans → crystalline
Explanation →
Q. A Formulated preparation of molecules/drugs that are rarely if ever suitable for administration to patients without additives.
Ans → dosage form
Explanation →
Q. Dosage form in which the active ingredient is insoluble in the carrier; includes aerosols, suspensions, emulsions , and foams
Ans → disperse system
Explanation →
Q. A Biologically active substance, which when biodistributed in the body is expected to modify one or more of its functions.
Ans → drug
Explanation →
Q. Solid preparation that on contact with water breaks apart by the effect of gas evolution, resulting commonly from the reaction of hydrogen carbonate with citric or tartaric acid, in order to facilitate dissolution or dispersion of the active ingredient before ingestion.
Ans → effervescent tablet
Explanation →
Q. Opposite of deliquescence; the drying of a salt solution when the vapour pressure of water in the saturated solution of a substance is greater than the partial pressure of water in the ambient air.
Ans → efflorescence
Explanation →
Q. Name a technological process, which consists of mixing or inclusion of the therapeutic substance with an excipient or their mixtures, typically as a matrix dosage form, in order to change the rate of release.
Ans → embedding
Explanation →
Q. Sweet (often colored) dilute alcohol-based, “hydroalcoholic”, liquid used in the compounding of drugs to be taken by mouth in order to improve palatability.
Ans → elixir
Explanation →
Q. The process of separating the lighter particles of a powder from the heavier ones by means of an upward-directed stream of fluid
Ans → elutriation
Explanation →
Q. Name a substance that loses water to form a lower hydrate or becomes anhydrous spontaneously.
Ans → efflorescent
Explanation →
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Q. The process of separating the lighter particles of a powder from the heavier ones by means of an up- ward-directed stream of fluid (gas or liquid).
Ans → elutriation
Explanation →
Q. A term applied an object or molecule that does not possess symmetry.
Ans → asymmetry
Explanation →
Q. Acetyl CoA from the mitochondria is transported into the cytosol after its conversion to
Ans → Citrate
Explanation →
Q. A solution property that changes if the concentration of that solution changes.
Ans → colligative property
Explanation →
Q. A a term applied to an atom or molecule having one or more free valencies.
Ans → radical
Explanation →
Q. Name a property, which serves as basis for the process whereby surfactants are used for the removal of foreign matter from surfaces (including dirt from clothes or body surfaces).
Ans → detergency
Explanation →
Q. Process that occurs when the vapor pressure of the saturated aqueous solution of a substance is less than the vapor pressure of water in the ambient air.
Ans → deliquescence
Explanation →
Q. The amount of change in measured output per unit change in input.
Ans → Amplification
Explanation →
Q. Measure of the fraction of a given drug that is absorbed intact into the systemic circulation from a dosage form, relative to a recognized, clinically proven, standard dosage form of that drug.
Ans → relative bioavailability
Explanation →
Q. The ‘burning feet syndrome’ in man is associated with the deficiency of
Ans → Pantothenic acid
Explanation →
Q. Initial, typically larger than the maintenance dose of a drug given to a patient at the start of pharmacotherapy.
Ans → loading dose
Explanation →
Q. An instrument that measures the degree of absorption (or emission) of electromagnetic radiation by a substance.
Ans → spectrophotometer
Explanation →
Q. A drug that dulls the sense of pain. It differs from an anesthetic agent in that it relieves pain without loss of consciousness.
Ans → Analgesic
Explanation →
Q. An organism that requires oxygen at levels lower than atmospheric concentration
Ans → microaerophile
Explanation →
Q. the energy required to break a particular bond by a homolytic process.
Ans → bond energy
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. the method for producing gasoline from heavy petroleum distillates.
Ans → catalytic cracking
Explanation →
Q. A protein complex in a photosystem, containing a pigment molecule that can undergo oxidation upon excitation by a light-harvesting pigment
Ans → reaction center
Explanation →
Q. Name a substance that loses water to form a lower hydrate or becomes anhydrous spontaneously.
Ans → efflorescent
Explanation →
Q. Name a method of acid-fast staining that does not use heat to infuse the primary stain, carbolfuchsin, into acid-fast cells
Ans → Kinyoun technique
Explanation →
Q. Name the five vitamins required by pyruvate dehydrogenase or -ketoglutarate dehydrogenase complex
Ans → Thiamine, riboflavin, lipoic acid, niacin, pantothenic acid,
Explanation →
Q. Name the organism that grows in the presence of high salt concentration but does not require it
Ans → halotolerant
Explanation →
Q. The bonds responsible for a majority of high-energy compounds are
Ans → Phosphoanhydride bonds
Explanation →
Q. A more negative redox potential represents a greater tendency to lose
Ans → Electrons
Explanation →
Q. Trypsin hydrolyses peptide bonds, the carbonyl group of which is contributed by the amino acids
Ans → Arginine and lysine
Explanation →
Q. A substance that cannot be divded chemically into component substances.
Ans → element
Explanation →
Q. Name the plasmid containing genes encoding proteins that make a bacterial cell resistant to one or more antibiotics
Ans → R plasmid
Explanation →
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
Explanation →