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Existence of two or more different crystal structures for the same compound.
Pharmaceutics Pharmacist Competitive Exams
Q. Existence of two or more different crystal structures for the same compound.
Ans → polymorphism
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 →
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Q. Name a dormant cell that survives in the death phase and is resistant to most antibiotics
Ans → persister
Explanation →
Q. Name the amino acid that directly participates in the synthesis of heme
Ans → Glycine
Explanation →
Q. Name the molecule that slides between the stacked nitrogenous bases of the DNA double helix, potentially resulting in a frameshift mutation
Ans → intercalating agent
Explanation →
Q. Name the capillary bed in the nephron of the kidney that filters blood to form urine
Ans → glomerulus
Explanation →
Q. Small red or purple spots on the skin that result from blood leaking out of damaged vessels
Ans → petechiae
Explanation →
Q. A form of microbial control using heat that is applied to foods; kills pathogens and reduces the number of spoilage-causing microbes while maintaining food quality
Ans → pasteurization
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. 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 backbone of nucleic acid structure is constructed by
Ans → Phosphodiester bridges
Explanation →
Q. An animal that transfers a pathogen from one host to another or from a reservoir to a host without being infected by the pathogen itself
Ans → mechanical vector
Explanation →
Q. Name the prokaryotic cell cytoplasmic structures for storing specific nutrients and other resources needed by cells
Ans → inclusions
Explanation →
Q. Two electrons that are not shared between atoms within a molecule.
Ans → lone pair/unshared pair
Explanation →
Q. Chemically modified form of a pharmacologically active compound that has to undergo biochemical or chemical transformation before exhibiting its pharmacological effect.
Ans → prodrug
Explanation →
Q. The glycosidic bonds at the branching points in the structure of starch are
Ans → 1,6- glycosidic bond
Explanation →
Q. The number of individuals with new infections of a particular disease in a given period of time is called
Ans → incidence
Explanation →
Q. Small sterile usually polymeric matrices, pellets, or particles for insertion or implanting into the body by surgical means or by injection to help achieve sustained release.
Ans → implants
Explanation →
Q. Process of enclosing a drug in a (micro or nano) particle (capsule, liposome, polymer).
Ans → encapsulation
Explanation →
Q. The inflammation of the gums that is more severe than gingivitis, spreading deeper into the tissues
Ans → periodontitis
Explanation →
Q. It is the ability of the specific adaptive immune system to quickly respond to pathogens to which it has previously been exposed
Ans → memory
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. Biological molecules, such as DNA and RNA, composed of a nitrogen base, a pentose sugar, and a phosphate group.
Ans → Nucleic Acids
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 an inflammatory response that involves both the brain and the membranes that surround it
Ans → meningoencephalitis
Explanation →
Q. Name the enzyme associated with hyperuricemia
Ans → PRPP synthetase, HGPRT , Glucose 6-phosphatase
Explanation →
Q. Pace at which a drug along with the stomach content leaves and enters the duodenum.
Ans → gastric emptying rate
Explanation →
Q. A bond where elections are equally shared between two atoms.
Ans → nonpolar covalent bond
Explanation →