Situation: Two patients in their 70s present to the office at different times today‚ each with documented heart failure: one diastolic and the other systolic‚ and both are hypertensive. First‚ discuss the difference between systolic and diastolic heart failure‚ providing appropriate pathophysiology. ACEI/ARBs are the only medications prescribed for CHF that have been found to prolong life and improve the quality of that life. EXPLAIN the mechanism of action of ACEI/ARBs and how they affect morbidity
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alloy powders manufacture are known. Currently‚ chemical reduction‚ hydrogenation/dehydrogenation‚ gas atomization‚ plasma-rotating electrode and plasma atomization processes are mainly used for commercial production. a) Chemical reduction Generally‚ the initial source of titanium powder is ` sponge fines ’ ‚ so-called owing to their appearance. Sponge fines are nodular particles of pure titanium produced during the chemical reduction pro-cess from titanium tetrachloride. The commercial manufacture
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in the non-pigmented ciliary epithelium b).more numerous fenestrations in the capillary endothelium c).thinner layer of capillary stroma and d).an increase in all organelles and gap junctions between pigmented and non-pigmented epithelia When Sodium fluroscein is administered systemically and the ciliary body is absorbed with a special gonioprism‚ fluroscein stained aqueous is seen primarily at the tips of the ciliary process. The site of active transport is considered to be the non-pigmented
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and for good health - sodium and chloride ions. They are both elements that the body cannot manufacture itself so it must be supplied by food. Although salt is the most common dietary source for these essential elements‚ sodium also available from various foods that contain sodium naturally. Sodium is a mineral element that plays a critical role in body physiology. It controls the volume of fluid in the body and helps maintain the acid-base level. About 40% of the body’s sodium is contained in bone
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of Water Introduction: Demonstrate the decomposition of water in simple but very colorful and dramatic fashion on an overhead projector. Concepts: • Decomposition reaction • Oxidation–reduction • Electrolysis • pH Materials: Sodium Chloride/universal indicator solution‚ NaCl‚ 25 mL Overhead projector Pencil lead‚ 0.7 mm Battery lead with alligator clips Petri dish‚ disposable Battery‚ 9-Volt Graduated cylinder‚ 25- mL Safety Precautions:
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MODEL QUESTION PAPER 2 PUC II Model Question Paper-2 PUC-II CHEMISTRY Time: 3 hr-15 min. Batch-02 Max Marks: 70 Instructions: i) ii) The question paper has four parts‚ A‚ B‚ C and D. All parts are compulsory Part-A Carries 10 marks Part-B Carries 10 marks Part-C Carries 15 marks Part-D Carries 35 marks iii) Write balanced equations and draw diagrams wherever required (Use log tables and the simple commercial calculator if necessary (use of scientific calculator is not allowed) Part-A I. Answer
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The Earth’s atmosphere has changed over billions of years‚ but for the past 200 million years it has been much as it is today. We are‚ however‚ causing our atmosphere to change by human activity. Burning fossil fuels and deforestation are two examples of human effect on the environment. Composition of the Earth’s atmosphere The composition of air You need to know the proportions of the main gases in the atmosphere. The Earth’s atmosphere has remained much the same for the past 200 million years
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TiO2+Cl2-----------------TiCl4+O2 2.Why is an atmosphere of argon used for this reaction ? The titanium (iv) chloride is added to a reactor in which very pure sodium has been heated to about 5500c -everything being under an innert argon atmosphere.During this reaction the temperature increases to about 10000 c . The reaction is carried out in an argon atmosphere to prevent magnessium and sodium from reacting with oxygen in the air. 3.Another gas used instead of argon. any of the elements in group O of the periodic table including
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equations. Equations with sulfide and carbonate will produce dihydrogen sulfide and carbon dioxide respectively. Redox reactions are the gain or loss of electrons by a substance throughout a chemical reaction. Oxidation is the loss of electrons and reduction is the gain of electrons OIL RIG is a good abbreviation to remember redox reactions. All of these reactions are present in the experiment we conducted during lab‚ in which we mixed 16 pairs of chemicals and recorded the observations to determine
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substances appears in boxed frames. Chemicals Solutions of Anions: Sodium chloride‚ NaCl‚ 0.2 M Sodium bromide‚ NaBr‚ 0.2 M Potassium iodide‚ KI‚ 0.2 M Sodium sulfate‚ Na2SO4‚ 0.2 M Sodium carbonate‚ Na2CO3‚ 0.2 M Sodium nitrate‚ NaNO3‚ 0.2 M Test Reagents: Silver nitrate‚ AgNO3‚ 0.1 M Ammonia‚ NH3‚ 6 M Nitric acid‚ HNO3‚ 6 M Potassium permanganate‚ KMnO4‚ 0.1 M Mineral oil Sodium hydroxide‚ NaOH‚ 6 M Barium hydroxide‚ Ba(OH)2‚ saturated Barium chloride
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