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КРОК / KROK
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Coulometry is based on measuring the amount of electricity needed for an electrode reaction. What law is the basis for coulometric determination of substances?
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Ion-exchange adsorption is widely used for water softening and demineralization. Through what ionite columns should the water be passed for its demineralization?
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Cryoscopic constants of water, benzene, chloroform, acetic acid and camphor equal to 1,86; 5,12; 4,9; 3,9; 40,0 respectively. Which of these solvents should be selected for the most accurate determination of the molar mass of a drug substance (nonelectrolyte) by the cryoscopic method?
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An HIV-infected patient presents with suppression of the immune system activity. What cells are affected in this case, causing the state of immunodeficiency in the patient?
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Uric acid is the end product of purine nucleotide breakdown. Elevated levels of uric acid in blood lead to the development of:
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During analysis of a herbal raw material, a culture was grown on a nutrient medium. The culture looks like a black furry plaque. Unseptated mycelial filaments with spherical thickenings at their ends were found in the smear preparations. Name these microorganisms:
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A patient with arthritis of the knee had been prescribed a certain drug for pain management. With time this drug provoked development of peptic ulcer disease of the stomach in this patient. Name this drug:
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An elderly patient has developed postoperative intestinal atony. What anticholinesterase drug should be prescribed?
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Potassium dichromate solution is to be analyzed. What physicochemical method of analysis will be used to determine its concentration?
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Colloidal systems are widely used in medicine. In pastes:
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