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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. Lipid-based chemical mediators produced by leukocytes and other tissue cells; promote inflammation and allergic responses
Ans → leukotrienes
Explanation →
Q. The distortion of a light wave due to interaction with another wave
Ans → interference
Explanation →
Q. Class of antiprotozoan drugs long used for the treatment of malaria; interferes with heme detoxification
Ans → quinolines
Explanation →
Q. Name the most serious stage of pertussis (whooping cough), characterized by severe and prolonged coughing spells
Ans → paroxysmal stage
Explanation →
Q. A person who has already suffered from smallpox becomes immune to the disease because of ______.
Ans → Naturally acquired active immunity
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. Introduction of genetic material from one organism to another organism within the same generation
Ans → horizontal gene transfer
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 →
Q. Procedure for estimating the concentration or biological activity of a substance by measuring its effect on a living system compared to a standard system
Ans → bioassay
Explanation →
Q. A molecule that seeks out electrons, also known as a Lewis Acid or an electron pair acceptor.
Ans → Electrophile
Explanation →
Q. An equimolar mixture of the two enantiomeric isomers of a compound.
Ans → racemic mixture
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. An instrument used to measure the amount of rotation of plane polarized light by a compound, generally prepared in a solution
Ans → polarimeter
Explanation →
Q. The mantous test is done to detect the immunity or susceptibility to _____ .
Ans → Tuberculosis
Explanation →
Q. A compound possessing hydrophobic and hydrophilic groups in its structure is known as
Ans → Ampipathic
Explanation →
Q. Molecules that exist only during a chemical reaction; not before or after the reaction.
Ans → intermediate
Explanation →
Q. Name the antiviral drug that blocks the fusion of HIV receptors to the coreceptors required for virus entry into the cell
Ans → fusion inhibitor
Explanation →
Q. Name the types of host cells that a particular virus is able to infect
Ans → host range
Explanation →
Q. Name the antiviral drugs that block the activity of the HIV integrase responsible for recombination of a DNA copy of the viral genome into the host cell chromosome
Ans → integrase inhibitors
Explanation →
Q. An individual capable of transmitting a pathogen to another individual without becoming infected
Ans → passive carrier
Explanation →
Q. The Schick test is done to detect the immunity or susceptibility to _______.
Ans → Diphtheria
Explanation →
Q. A known volumes are vacuum filtered aseptically through a membrane with a pore size small enough to trap microorganisms, which are counted after growth on plates
Ans → membrane filtration technique
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. The tendency for a molecule to acquire electrons and become reduced
Ans → redox potential
Explanation →
Q. A substance that can make a chemical reaction faster but which is not actually needed to produce the reaction nor is used in the reaction.
Ans → catalyst
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 →