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КРОК / KROK
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A patient complains of a headache and difficulty breathing. X-ray results allowed diagnosing the patient with frontitis (inflammation of a frontal sinus). In this case, during examination of the nasal cavity, purulent secretions will be observed in the following nasal meatus:
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Autopsy of the body of a 50-year-old man shows the following: the right lung is moderately dense in all segments, the tissue on section is airless, fine-grained, and dry. The visceral pleura has gray-brown fibrin deposits. What disease can be characterized by these pathological changes?
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Gluconeogenesis reactions use phosphoenolpyruvate formed from oxaloacetate. Oxaloacetate is synthesized by pyruvate carboxylase in mitochondria. What shuttle system transports this metabolite into the cytoplasm?
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A tired driver took a rest in the car with its engine running. As a result, he developed carbon monoxide poisoning. What compound formed in his blood, leading to severe consequences?
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A patient has gradually developed a skin plaque on his face. In the center of this plaque there are necrotic patch and an ulcer. Histopathological analysis of the biopsy material reveals proliferation of atypical epithelial cells with large number of pathologic mitoses. What is the most likely diagnosis?
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To determine toxigenicity of diphtheria causative agents obtained from patients, the cultures were inoculated in a Petri dish with nutrient agar, bilaterally to a strip of filter paper spotted with antidiphtheric antitoxic serum and situated in the center of the Petri dish. After incubation of the inoculated cultures in the agar, strip-like areas of medium turbidity formed between some of the cultures and the filter paper. What immunological test was conducted?
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A man suffers from acne and inflammatory changes in the skin of his face. Microscopy of a material obtained from the lesion foci reveals living elongated creatures of the phylum Arthropoda type with 4 pairs of reduced limbs. What is the preliminary diagnosis?
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A microslide shows an organ of cardiovascular system. One of its layers consists of anastomosing fibers. These fibers are made of cells connected by intercalated discs. What organ of cardiovascular system is it?
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A patient with streptococcal pneumonia was prescribed an antimicrobial drug that disrupts formation of microbial shell. What drug is it?
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When examining a patient, the neurologist determined the absence of the knee-jerk reflex that normally occurs, when patellar tendon is being struck with a reflex hammer. What nerve is likely to be damaged in this case?
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