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Transition of a solid crystalline phase to another phase having the same chemical composition but a dif- ferent crystal structure.
Pharmaceutics Pharmacist Competitive Exams
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 →
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. The ‘parent’ nucleotide synthesized in the biosynthesis of purines is
Ans → Inosine monophosphate
Explanation →
Q. Formulation in which individual doses of a granulated dosage form are separated
Ans → divided granule
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. Name the bacteria that have more than 50% guanine and cytosine nucleotides in their DNA
Ans → high G+C gram-positive bacteria
Explanation →
Q. Name the type of kidney infection involving the glomeruli of the nephrons
Ans → glomerulonephritis
Explanation →
Q. The migration of a double bond in a 3-carbon system from carbon atoms one and two to carbon atoms two and three
Ans → allylic rearrangement
Explanation →
Q. The power of a microscope (or lens) to produce an image that appears larger than the actual specimen, expressed as a factor of the actual size
Ans → magnification
Explanation →
Q. Which enzymes in glycolysis catalyses an irreversible reaction
Ans → Pyruvate kinase , Phosphofructokinase, Hexokinase
Explanation →
Q. The phenomenon of disorganization of native protein structure is known as
Ans → Denaturation
Explanation →
Q. Name a substance that loses water to form a lower hydrate or becomes anhydrous spontaneously.
Ans → efflorescent
Explanation →
Q. A glycoprotein expressed only on the surface of antigen-presenting cells and involved in the presentation of foreign antigens from pathogens ingested by phagocytosis
Ans → MHC II molecule
Explanation →
Q. Transition of a suspension of solid, usually colloid, particles in a liquid (sol) to an apparent solid, jelly- like material
Ans → sol-gel transition
Explanation →
Q. The products obtained by the action of pancreatic lipase on triacylglycerols are
Ans → 2-Acylglycerol and free fatty acids
Explanation →
Q. The lipids that are not the structural components of biological membranes
Ans → Triacylglycerols
Explanation →
Q. A type of kidney infection involving the glomeruli of the nephrons
Ans → glomerulonephritis
Explanation →
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. Technological process consisting of the application of a substance, which forms a layer e.g, to protect the drug
Ans → coating
Explanation →
Q. Name the cell envelope structure outside the cell wall in some bacteria that allows bacteria to adhere to surfaces,
Ans → glycocalyx
Explanation →
Q. Name the longest identical peptide chains in antibody molecules (two per antibody monomer) that composed of variable and constant region segments
Ans → heavy chains
Explanation →
Q. Vehicle often ethanol used in combination to increase the solubility of drugs.
Ans → cosolvent
Explanation →
Q. Plasma albumin performs the following functions
Ans → Osmotic, Transport , Nutritive
Explanation →
Q. Process in which powder particles are made to aggregate to larger particles called granules.
Ans → granulation
Explanation →
Q. The chemical reaction that removes electrons (often as part of H atoms) from donor molecules, leaving them oxidized
Ans → oxidation reaction
Explanation →
Q. Name the term that refers to a polar molecule or portion of a molecule capable of strong attraction to water molecules
Ans → hydrophilic
Explanation →
Q. Defined for powders used pharmaceutically, according to particle sizes.
Ans → powder grades
Explanation →
Q. The amino acid that contributes to the synthesis of more than half of the pyrimidine ring
Ans → Aspartate
Explanation →
Q. Close, tight aggregation of colloid particles, emulsion droplets, suspension particles, which are difficult to redisperse.
Ans → coagulation
Explanation →