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Питання №: 45The deficiency of vitamin B2(riboflavin) leads to the decreasing of activity of the enzyme: Citrate synthase Aconitase Isocitrate dehydrogenase Fumarase Succinate dehydrogenase Питання №: 46Patients who suffer from severe diabetes and don't receive insulin have metabolic acidosis. This is caused by increased concentration of the following metabolites: Ketone bodies Fatty acids Unsaturated fatty acids Triacylglycerols Cholesterol Питання №: 47A 46-year-old woman complains of dryness in the oral cavity, thirst, frequent urination, general weakness. Biochemical research of the patient's blood showed hyperglycemia and hyperketonemia. Sugar and ketone bodies are revealed in the urine. Diffuse changes in myocardium are marked on the electrocardiogram. Make an assumptive diagnosis of the illness. Diabetes mellitus Alimentary hyperglycemia Acute pancreatitis Diabetes insipidus Ischemic cardiomyopathy Питання №: 48One of the important properties of enzymes is their action specificity. Check up a kind of specificity for urease: Absolute substrate specificity Absolute grouped substrate specificity Stereochemical specificity Relative grouped substrate specificity Relative substrate specificity (reaction specificity) Питання №: 49The elevated activity of aspartate aminotransferase (AST) in the blood is indication of: kidney disease muscle dystrophy acute pancreatitis myocardial infarction stomach disease Питання №: 50Patient with abscess of the cut wound applied to the traumatology department. Doctor for the cleaning of the wound from the pus washed it with 3% hydrogen peroxide. Foam was absence. What caused the absents on the drug activity? Inherited insufficiency of catalase Low concentration of H2O2 Inherited insufficiency phosphatedehydrogenase of erythrocytes Shallow wound Pus in the wound Питання №: 51Heavy metals inhibit enzymes which have sulfhydryl groups. Which amino acid is used for reactivation of these enzymes? Histidine Isoleucine Cysteine Aspartate Glycine |