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КРОК / KROK
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Specify what method of redox titration requires the use of specific indicator - starch - to fix the end point:
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A person has extremely pale skin, white hair, and blue semi-transparent irises that under bright light assume a pink hue. These signs are caused by insufficient synthesis of the following in the patient's body:
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What pharmacological effect of acetylsalicylic acid allows its application in patients with ischemic heart disease for prevention of thromboses?
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What indicator should be chosen for standardization of a hydrochloric acid solution using Na_2CO_3 and Na_2B_4O_7 solutions?
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A potassium chromate solution was added into the solution being analyzed, which resulted in the formation of a yellow precipitate, soluble in acetic acid. What cations were present in the solution, as indicated by this qualitative reaction?
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A child has been hospitalised with scalded skin syndrome. Staphylococcus aureus was detected in blisters. What virulence factor causes exfoliation and necrosis of epidermis?
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Dysbiosis can be treated with drugs that contain living representatives of normal microflora as well as their metabolic products. Select the microorganisms that are used for the production of such drugs:
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A 45-year-old patient with rheumatoid arthritis was prescribed a glucocorticoid. Name this drug:
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What parameter determines the coagulating power of an electrolyte?
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Potentiometry is widely used in the analysis of medicinal products. What type of galvanic cell has the electromotive force that does not depend on the value of the standard electrode potential?
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