Тест 1
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Питання №: 35In psychiatric practice, biogenic amines and their derivatives are used for the treatment of certain diseases of the central nervous system. Name the substance of the mentioned below biochemical class which acts as an inhibitory mediator. Dopamine Histamine Serotonin GABA Taurine Питання №: 36Under the repeated action of ultraviolet rays, skin darkens because of the synthesis of melanin which protects cells from damage. The principal mechanism of this defense reaction is: Inhibition of tyrosinase Activation of tyrosinase Activation of homogentisate oxidase Inhibition of homogentisate oxidase Inhibition of phenylalanine hydroxylase Питання №: 37What inhibitor has anti-inflammatory action? arsenic acid penicillin sulfa drug aspirin malonic acid Питання №: 38A 49-year-old driver complains about unbearable constricting pain behind the breastbone irradiating to the neck. The pain arose 2 hours ago. Objectively: the patient's condition is grave, he is pale, heart tones are decreased. Laboratory studies revealed high activity of creatine kinase and LDH1. What disease are these symptoms typical for? Acute myocardial infarction Diabetes mellitus Acute pancreatitis Cholelithiasis Stenocardia Питання №: 39An experimantal animal that was kept on protein-free diet developed fatty liver infiltration, in particular as a result of deficiency of methylating agents. This is caused by disturbed generation of the following metabolite: Acetoacetate Cholesterol DOPA Choline Linoleic acid Питання №: 40Enzymes are the catalysts of protein nature. Name the property of enzymes which is not presented at the inorganic catalysts: Ability to the denaturation Wide specificity Inert to chemical substrates Big half-life Ability to lowering the energy of activation Питання №: 41A patient suffering from diabetes mellitus fainted after the introduction of insulin, then cramps appeared. What level of sugar was determined in the patient's blood by means of biochemical analysis? 100 mM/1 33 mM/1 80 mM/1 15 mM/1 55 mM/1 |