Types of MR drug products include delayed release (eg, enteric coated), extended release (ER), and orally disintegrating tablets (ODT). Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Equivalent Weight 76 ± 4 Dissociation Constant pKa = 6.0 ± 0.5 Solvents 3. Multiple Choice Questions on Transdermal Drug Delivery System ... Pharmaceutics MCQs Pharmaceutics MCQs You may also like, 1) MCQ Test on Microscopy. The manufacture of nylon-6 involves condensation of. (a) Natural plastic. highermolecular-weight PEGs) – liquid polyoxyethylene-polyoxypropylene block co-polymers (Pluronics). Organic structure and bonding Chapter 4. In some cases, the heat generated is used to produce electricity. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 12.. For example, polythene (–CH2 – CH2 –)n is formed by linking together a large number of ethene (C2H4) molecules. The polymer which is used in manufacture of squeeze bottles is (a) Polystyrene (b) Teflon (c) Polypropene (d) Low density polythene. Answer: d Explaination: (d) LDP is used for making squeeze bottles, flexible hose pipe. Processing Multiple Choice Questions and Answers (MCQs)Indiras Objective Agricultural Biotechnology, 2nd Ed. Polymers in the Pharmaceutical Applications - Natural and Bioactive Initiators and Catalysts in the Synthesis of Biodegradable and Bioresor bable Polyesters and Polycarbonates 143 Macromolecular prodrugs are mainly used in the cancer therapy. Check the below NCERT MCQ Questions for Class 12 Chemistry Chapter 15 Polymers with Answers Pdf free download. The pharmaceutical applications of polymers range from their use as binders in tablets to viscosity and flow controlling agents in liquids, suspensions and emulsions. The sensitive LSC detection method requires specific cocktails to absorb the energy into detectable light pulses. It can be set by the teacher as a formal written assignment. The precipitation and/or gelation processes listed in Ta-ble 1 cover many techniques. Some important Polymers used for drug delivery Hydroxyl propyl Methyl Cellulose It is a semisynthetic, Inert, Viscoelastic polymer used as an ophthalmic lubricant as well as an excipient and controlled delivery component in oral medicaments. Plasticizer 4. View Answer. Pharmaceutics MCQs Pharmaceutics MCQs You may also like, 1) MCQ Test on Microscopy. This Pharmaceutics Quiz questions answers are applicable for any kind of Medical PG Entrance exam or job related exam especially for PHD, MD, MS, M.Ch., D.M, Medical Students.You can practice as much as you can to gather knowledge of how to answers Pharmaceutics Quiz, each question having four alternate answers, once you select one answers of Pharmaceutics Quiz, system will show you … Plasticizers, however, apart from providing a favorable melt viscosity, may lower the overall T g of the API-polymer mix and may pose physical stability and release profile challenges. MCQs Of Polymer chemistry. If you have a light load capacity and a dusty hazardous environment, CF-A Air Powered Feeders are a great option. Drug delivery systems, is a technology using various chemicals to bind the target drugs, carry them to target organ, tissue or cell where the drug is released at a pre-determined rate. Linear polymers are formed from bifunctional groups only and are normally thermoplastic B. Cross-linked branched chain polymers are either elastometric or thermosetting C. Branching in case of cross-linked polymers caused by small amount of impurities in bifunctional monomer formulation reduces its solubility and increases the softening point Sample chapter from Further MCQs in Pharmacy Practice, ISBN 9780853696650. Although the distinction between peptides and proteins is arbitrary, a peptide contains less than 20 amino acids, having a molecular weight less than 5000, while a protein possesses 50 or more amino acids and its molecular weight lies above this value. Multiple Choice Questions : A— E and True / False PH4CT22 The serum level (Cp gm ml-I) versus time (t, hr) curve following bolus intravenous injection of 25 mg of a new drug was described by the following equation: -0.35t cp = 0.5e The half life of the drug is: 0.505 hr-I 0.7 hr 1.98 hr-I 1.4 hr-I 71.4 hr-I Welcome to Lupine Publishers. Manufacturers can produce a wide range of polymers that meet a variety of source-water conditions by controlling the amount and type of charge and the polymers molecular weight. It is also used to help evaluate other properties, such as physical stability and manufacturability, in order to choose the best form for development. Important characteristics for suppositories include (1) hardness (for proper handling and delivery), (2) shape (for comfortable insertion and retention), (3) solubilization of drug in suppository matrix, and (4) rapid melting after application. B. Liquid scintillation counting theory. Barber & Rostron: Pharmaceutical Chemistry Multiple choice questions. The mass average molecular mass & number average molecular mass of a polymer are respectively 40,000 and 30,000. (b). Dendrimers — Branched components that form polymers and whose surface exhibit chain ends suited for chemical manipulation as tools. The additional polymer may include a number of polymers such as methyl cellulose, polycaprolactone and polylactide. Fibres possess high tensile strength … Nanoparticles may be exhaled as a result of their small size; however, they are desired to enhance the dissolution rate of poorly soluble drugs[3]. The NanoRam is designed for pharmaceutical users, offering 21 CFR part 11 compliance and giving users the ability to identify incoming raw materials as well as finished dosage products. This process reduces the volume of waste by 90 per cent and is considered as one of the most hygienic methods of waste disposal. (a) True (b) False. Partition coefficient: The study of complexes is essential to assess drug action because complexes. This paper discusses the use of XRPD during screening and form selection of pharmaceutical materials. Colors 5. Coordination compounds include such substances as vitamin B 12, hemoglobin, and chlorophyll, dyes and pigments, and catalysts used in preparing organic substances. Polymers can be used as film coatings to disguise the unpleasant taste of a drug, to enhance drug stability and to … (b) Natural resin. Pharmaceutical polymers are widely used to achieve taste masking; controlled release (e.g. Step #3: Batching – This part of the process can also be known as”blending” which calculates amounts, weighing and initial blended of the raw materials.For consistent material flow into a pub mill hopper, Vibratory Feeders can be applied in the process. Durability: PVC is resistant to weathering, chemical rotting, corrosion, shock and abrasion. Dendrimers are combinable to create hollow cavities or used as part of a catalysis [1.] 11. Consider the two transitions from the “solid” to the liquid or rubbery state shown below on a plot of specific volume vs. temperature; A. Which of the polymers in question 1 would be most suitable for use as a flexible film wrap? Combine them together, and you have our organic chemistry trivia quizzes, a guaranteed blast for all. But also due to its efficiency in the analysis of compounds, it is regarded as High-performance liquid chromatography. 2. This can either be over a set period of time (i.e. It may be considered a special case of supramolecular catalysis. Lupine Publishers is one of the world’s largest open access publisher of peer-reviewed, fully peer reviewed journals.Launched with an intention of openness of original research publication, we are passionate about working with the global academic community to promote scholarly research articles to the world. Specific examples may include ethanol, aromatic alcohols like resorcinol, pyrogallol, catechol, and -naphthols and salicylates, alkaloids like caffeine and nicotine, ionic surfactants like diacids, SDS (sodium dodecyl sulphate), and dodecylated oxidibenzene. Pharmaceutics II (Pharmacy Allopathy) - MCQs. These questions are asking in competitive exams in pharmacy like GPAT and other exams conducted by various ministries as pharmacist equelancy exams like MOH, DOH etc, Click the below link to start the test. Also, amino acid mixtures require 18 hours for separation on paper. 3. Answer/Explanation. sentially infinite. Liquid scintillation counting (LSC) is the standard laboratory method to quantify the radioactivity of low energy radioisotopes, mostly beta-emitting and alpha-emitting isotopes. Dacron, Melamine and Glyptal are condensation polymers. Properties of aliphatic hydrocarbons Chapter 5. (c) Adipic acid and hexamethylene diamine. These are four options provided for the answers of the question only one option is right answer. Figure 8.1 Common polymers made using alkene building blocks. . MCQs of Polymers - View presentation slides online. When they do occur, MCT oil side effects are usually minor and may include nausea, vomiting, diarrhea and an upset stomach. D. Buccal drug delivery systems . Natural polymers (2). is called epoxide group or ethoxyline group. The stabilizers of protein formulation include sugars (sucrose, lactose), salts (sodium chloride, ammonium sulfate), polymers (polyethylene glycol) and polyhydric alcohols (glycerol). Taking this product with food can also help reduce digestive upset and other effects. The methylacrylate repeating unit is shown in the lower middle. Examples of the types of liquids that are commonly used in this category include: – polyethylene glycols (PEGs) that are solid at room temperature but will liquefy upon heating (e.g. Natural polymers: (a). Which one of the following is not a condensation polymer? Here we are asking pure Pharmaceutics Multiple choice questions. Polymers can be used as film coatings to disguise/mask the unpleasant taste of a drug, to enhance drug stability and to modify drug release characteristics. Answer. Examples of pharmaceutical polymers and the principles of controlled drug delivery are outlined and applications of polymers for controlled drug delivery are described. The field of controlled drug delivery is vast therefore this review aims to provide an overview of the applications of pharmaceutical polymers. Questions and Answers ( 21,226 ) Quizzes (593) Photosynthesis is a biochemical reaction that converts oxygen and carbohydrates to carbon dioxide and water. a) The ability of solid particles to disperse throughout a … Water penetration (swelling) •This type of systems are initially dry and when placed in body, absorb water or other fluid and it swells. 2) MCQ Test on History of Microbiology. Dendrimers represent a half step between molecular chemistry and polymer chemistry [6.] 2) MCQ Test on History of Microbiology.

Irish Setter Springer Spaniel Mix, Kirby Sentria Ii Owner's Manual, Difference Between Dignity And Respect, Top Intelligence Agencies In The World 2020, Discuss On Persistent Data, Cna Travel Contract Assignments With Housing And Transportation,