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КРОК / KROK
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A 55-year-old man came to a doctor with complaints of acute pain in his big toes. Meat and wine are a permanent fixture in his diet. The doctor suspects gout. What substance must be measured in the patient's blood to confirm this diagnosis?
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What cation of the V analytical group (acid-base classification) is present in the solution, if a black precipitate is produced when tin(II) chloride dissolved in an alkaline medium is added into this solution?
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When a mixture of electrolytes is added into a sol, one of them reduces the effect of another. Name this phenomenon:
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A patient with hypertension has been prescribed a drug that blocks angiotensin receptors. Specify this drug:
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What anions interfere with the determination of halide ions by means of the Volhard method, because they form a strong colorless complex with iron(III) ions?
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Name the process when a dissolved macromolecular compound is sedimented by adding electrolytes into the solution:
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A pure culture of movable vibrios was obtained from a patient diagnosed with cholera. What group of flagellates does this agent belong to?
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What substance is used as a primary standard in permanganometry, bromatometry, dichromatometry, iodometry, and cerimetry?
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Coumarins, vitamin K antagonists, suppress the processes of blood coagulation. What protein synthesis is blocked by coumarins?
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Malignant tumors have a number of morphological and functional characteristics that differ them from benign ones. What is typical only of malignant tumors?
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