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All strong electrolytes cause sol coagulation, if added to a sol in a sufficient amount. The coagulant ion in this case is a particle with the charge that is:
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The material obtained from a patient with suspected acute Salmonella-induced gastroenteritis was sent to a bacteriological laboratory. What should be used in this case for serological identification of the isolated pure bacterial culture?
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A 40-year-old woman has been suffering from menorrhagia for a long time. Blood test: Hb- 90 g/L, erythrocytes - 3.9cdot10^12/L, color index - 0.69. What is the main cause of hypochromic anemia development in this case?
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After parenteral administration of iron preparations, the patient presents with pain behind the sternum and redness of the face and neck. What drug should be administered in this case?
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Which alkadiene of those listed below is a diene with cumulated double bonds?
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Bactericidal drug rivanol contains the following heterocyclic structure:
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After a stress, a woman has problems sleeping. What medicine is preferable for the treatment of insomnia in this case?
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Solutions of some electrolytes are used as medicines. What is the maximum value of the isotonic coefficient for MgSO_4 solution?
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A certain reaction is successfully used for rapid diagnostics of many bacterial, viral, protozoal, and fungal diseases, as well as for detection of pathogens in the environment, food, and water. This reaction is based on the principle of repeated copying of a specific DNA segment or a single gene, using the DNA polymerase enzyme. Name this reaction:
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When measuring the antimicrobial activity of drugs, their minimum concentration that suppresses the growth of microbes must be determined. What is this parameter?
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