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Home ❭ Questions ❭ One Liners ❭ Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Pharmaceutics Pharmacist Competitive Exams
Q. Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Ans → polymorph
Explanation →
This question is taken from the test/quiz post: one liners Pharmaceutics| B.Pharmacy| Pharmacy file-6 - attemp/practice
More oneliners in - one liners Pharmaceutics| B.Pharmacy| Pharmacy file-6
Q. Usually water or low-molecular-weight alcohols or compounds, used in topical applications and in wet granulation, for the production of tablets.
Ans → moistening agents
Explanation →
Q. Dosage form comprising several elements (e.g., microspheres or coated pellets) dif- fering in the rate of drug release.
Ans → multi compartment formulation
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. Device that disperses liquids to aerosols for therapeutic use by inhalation through a mask.
Ans → nebulizer
Explanation →
Q. Greasy, semi-solid preparation for external application, often anhydrous, containing dissolved or dispersed medicaments.
Ans → ointment
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. Process of agglomeration that converts fine powders or granules of bulk drugs and excipients into small, free-flowing, spherical, or semi-spherical units, referred to as pellets.
Ans → pelletization
Explanation →
Q. Science of preparation of drugs, dosage forms, and drug delivery systems taking into account the pharmacokinetics and pharmacodynamics of the drug as well as its physical and chemical properties.
Ans → pharmaceutics
Explanation →
Q. Solid material that exists at least in two different molecular arrangements, i.e., distinctly different crystal species.
Ans → polymorph
Explanation →
Q. Transition of a solid crystalline phase to another phase having the same chemical composition but a dif- ferent crystal structure.
Ans → polymorphic transition
Explanation →
Q. Existence of two or more different crystal structures for the same compound.
Ans → polymorphism
Explanation →
Q. Defined for powders used pharmaceutically, according to particle sizes.
Ans → powder grades
Explanation →
Q. Dry solid material consisting of many, usually free flowing, fine particles.
Ans → powder
Explanation →
More one-liners in - Pharmaceutics
Q. Name the formula that shows the number and kinds of atoms in a molecule.
Ans → Molecular Formula
Explanation →
Q. A group of genes with related functions often found clustered together within the prokaryotic chromosome and transcribed under the control of a single promoter and operator repression sequence
Ans → operon
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. 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. Name the process producing a mixture of lactic acid, ethanol and/or acetic acid, and CO2 as fermentation products
Ans → heterolactic fermentation
Explanation →
Q. A formal non-ambiguous, nomenclature system for the assignment of absolute configuration of structure to chiral atoms, using the Cahn, Ingold and Prelog priority rules.
Ans → R,S convention
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
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 very first enzyme elevated in serum in myocardial infarction
Ans → Creatine phosphokinase (CPK)
Explanation →
Q. Number that expresses the reduction in the numbers of a microorganism, brought about by a sterilizaion process.
Ans → inactivation factor (IF)
Explanation →
Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
Explanation →
Q. Molecules that have the same molecular formula and sequence of atoms yet differ in their 3-D orientation.
Ans → Stereoisomer
Explanation →
Q. Transport of glucose from the lumen to the intestinal mucosal cells is coupled with diffusion of
Ans → Enteropeptidase
Explanation →
Q. The name of the protein that has been identified to serve as a primer for glycogen synthesis is
Ans → Glycogenin
Explanation →
Q. A group that is used to protect a functional group from unwanted reactions. After application the protecting group can be removed to reveal the original functional group.
Ans → protecting group
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. Refers to a polar molecule or portion of a molecule capable of strong attraction to water molecules
Ans → hydrophilic
Explanation →
Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
Explanation →