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Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Pharmaceutics Pharmacist Competitive Exams
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
Explanation →
This question is taken from the test/quiz post: one liners Pharmaceutics| B.Pharmacy| Pharmacy file-2 - attemp/practice
More oneliners in - one liners Pharmaceutics| B.Pharmacy| Pharmacy file-2
Q. Small edible package made usually from gelatin or other materials that can be filled with drugs (solids or liquids) to produce a unit dose, mainly for oral use.
Ans → capsule
Explanation →
Q. Transfer of a drug across a membrane by a transporter (often a protein) constituent of the cytosol membrane.
Ans → carrier-mediated drug transport
Explanation →
Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion.
Ans → deflocculation
Explanation →
Q. A Pharmaceutical preparation that releases the drug(s) at a time other than promptly after administration.
Ans →
Explanation →
Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
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. Technological process consisting of the application of a substance, which forms a layer e.g, to protect the drug
Ans → coating
Explanation →
Q. A Substance that absorbs sufficient moisture from the atmosphere to dissolve itself.
Ans → deliquescent
Explanation →
Q. A solid dosage form prepared to a desired shape, usually in large-scale production, by means of high pressure in a punch and die.
Ans → compressed tablet
Explanation →
Q. The deposit of a drug in a body created by injection or by a similar mode of introduction to form a source of slow release.
Ans → depot
Explanation →
Q. Vehicle often ethanol used in combination to increase the solubility of drugs.
Ans → cosolvent
Explanation →
Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
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. The Threshold detergent concentration at which micelle formation begins in the bulk phase is called
Ans → critical micelle concentration (cmc)
Explanation →
More one-liners in - Pharmaceutics
Q. A type of endocytosis in which extracellular ligands are targeted to specific cells through their binding to specific cell surface receptors
Ans → receptor-mediated endocytosis
Explanation →
Q. The nucleotide that serves as an intermediate for biosynthetic reaction
Ans → UDP-glucose , CDP- acylglycerol , S Adenosylmethionine
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. Glycoprotein expressed on the surface of all nucleated cells and involved in the presentation of normal “self” antigens and foreign antigens from intracellular pathogens
Ans → MHC I molecule
Explanation →
Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens
Ans → interleukins
Explanation →
Q. When a mix of liquids is separated by heating it up because one liquid boils at a different temperature than the other.
Ans → distillation
Explanation →
Q. Name the formula that shows the number and kinds of atoms in a molecule.
Ans → Molecular Formula
Explanation →
Q. An atom, or group of atoms, that is responsible for reactivity of the molecule it is a part of.
Ans → Functional Groups
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 phospholipid that prevents the adherence of inner surfaces of lungs
Ans → Dipalmitoyl lecithin
Explanation →
Q. Process by which energy from sunlight is absorbed by pigment molecules in photosynthetic membranes and converted into stored chemical energy in the forms of ATP and NADPH
Ans → light-dependent reaction
Explanation →
Q. Virus, therapeutic serum, toxin, antitoxin, or analogous product applicable to the prevention, treatment, or cure of diseases or injuries in humans and/or animals.
Ans → biological product
Explanation →
Q. Trypsin hydrolyses peptide bonds, the carbonyl group of which is contributed by the amino acids
Ans → Arginine and lysine
Explanation →
Q. Electronegativity is a measure of the attraction an atom has for electrons.
Ans → Electronegativity
Explanation →
Q. The mechanism by which regulatory T cells inhibit self-reactive immune responses in T cells that have already exited the thymus
Ans → peripheral tolerance
Explanation →
Q. Kinetic model, where the whole body is thought of as a single compartment in which a substance is dis- tributed rapidly, achieving an equilibrium between blood and tissue immediately.
Ans → one-compartment model
Explanation →
Q. Time required to achieve the minimum effective plasma concentration following administration of the dosage form.
Ans → onset of drug action
Explanation →
Q. Reversible formation of association colloids from surfactants in nonpolar solvents leads to aggregates termed inverted (or inverse, reverse, or reversed) micelles.
Ans → inverted micelle
Explanation →
Q. Consists of several different layers that are compressed on top of each other, to form a single tablet composed of two or more layers.
Ans → multilayer tablet
Explanation →
Q. Continued substance use despite knowledge of having a persistent or recurrent psychological, or physical problem that is caused or exacerbated by use of the substance
Ans → Addiction
Explanation →
Q. Consists of several different layers that are compressed on top of each other, to form a single tablet composed of two or more layers.
Ans → multilayer tablet
Explanation →
Q. When a complex molecule becomes broken apart to create two or more smaller ones.
Ans → decomposition
Explanation →
Q. A Solid spherical particles of micron-size range, used as matrix dosage forms.
Ans → microsphere
Explanation →
Q. Ascorbic acid is not synthesized in man due to lack of the enzyme
Ans → L-Gulonolactone oxidase
Explanation →
Q. A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.
Ans → reduction
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. The the joining of two complementary single-stranded DNA molecules
Ans → hybridization
Explanation →
Q. Sequenator is an automatic machine to determine amino acid sequence in a polypeptide chain. The reagent used in sequenator is
Ans → Edman’s reagent
Explanation →
Q. The enzyme that is regulated by feedback inhibition in heme synthesis is
Ans → δ -Aminolevulinate synthase
Explanation →