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KROK 1 Dentistry 2015 Questions | KROKEXAM
Browse 2015 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
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A 33-year-old patient complains of an impairment of skin sensitivity in the medial part of the dorsal and palmar surface of hand. Which nerve is damaged?
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A patient has been prescribed pyridoxal phosphate. What processes are corrected with this drug?
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Examination of the oral cavity of a 19-year-old patient revealed a small gap between the maxillary and mandibular incisors. There was no contact between the front teeth. Specify the type of occlusion in this patient:
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An injured person with a wound of forearm radial surface has been brought to a surgical department. Venous bleeding of the wound is observed. What blood vessel is damaged?
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A patient presented to a hospital with complaints about quick fatigability and significant muscle weakness. Examination revealed an autoimmune disease that causes functional disorder of receptors in the neuromuscular synapses. This will result in the disturbed activity of the following mediator:
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During ventricular systole the muscle does not respond to additional stimulation because it is in the phase of:
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A patient has temporal bone fracture caused by an accident. What muscle functioning is disrupted?
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Patient's eye accomodation process has been disrupted. What muscle is damaged?
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A 2-year-old child has congenital spastic contraction of muscles on one side of neck, that is torticollis. What muscle is affected?
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A 60-year-old man consulted a doctor about an onset of chest pain. In blood serum analysis showed a significant increase in the activity of the following enzymes: creatine kinase and its MB-isoform, aspartate aminotransferase. These changes indicate the development of the pathological process in the following tissues:
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A 39-year-old patient has been suffering from gastric ulcer for the last 4 years. His condition exacerbates in spring and autumn: he suffers from pain in epigastrium, heartburn, nausea, constipation. What nosological term can be applied to the period between two exacerbations?
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A patient has been diagnosed with bacillary dysentery. What drug of those listed below should be prescribed?
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A preparation of endocrine gland demonstrates cortical and medullary substances divided with connective tissue layer. In the cortical substance parenchyma cells make up three zones: they form rounded clusters in the superficial zone, parallel strands in the middle one, and in the deep zone cell strands form net-like structure. What gland is it?
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A patient is diagnosed with acute morphine hydrochloride poisoning. Choose the oxidant drug to be prescribed for gastric lavage.
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Peripheral nerve trauma causes muscle atrophy; bones become porous and brittle; sores appear on skin and mucosa. What function of nervous system is damaged?
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A histological specimen represents an organ whose wall consists of the mucosa, submucosa, fibrocartilage and adventitious cartilage. The organ is lined by pseudostratified ciliary epithelium, the muscular layer of the mucosa is absent, the submucosa contains seromucous glands. Hyaline cartilage C-rings are present. What organ has the described morphological characteristics?
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Nucleoli of nuclei have been damaged due to tissue culture nuclear irradiation. Regeneration of the following organelles becomes hampered in cytoplasm:
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A nuclear power plant disaster fighter had absorbed radiation dose of 5 Gy; in a week he was diagnosed with blood agranulocytosis. What pathogenetic mechanism is principal in its origination?
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A patient has sustained a traumatic injury of the greater pectoral muscle. This resulted in a decrease of:
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A patient with acute retention of urine has been brought to an admission room. During examination a doctor found out that the patient has urethral obturation caused by pathology of the surrounding organ. Name this organ.
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Orthodontic treatment of a child proved to be ineffective due to the chronic mouth breathing since the nasal breathing is impaired. This is caused by the hypertrophy of the following tonsils:
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After arriving in the polar region, researchers from Australia have complained of nervous disorders, loss of appetite, aggravation of chronic diseases for 6 months. What process has been disrupted in extreme conditions?
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Diphtheria exotoxin had been treated with 0,3-0,4% formalin and kept in a thermostat for 30 days at a temperature of 40°C. What preparation was obtained as a result of these manipulations?
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Continuous treatment of cancer patients with methotrexate over time reduces the target cell's sensitivity to the drug. In this case gene amplification of the following enzyme is observed:
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A histological preparation shows organ, where lymphocytes form three types of lymphoid structures: lymph nodules, medullary cords and lymphatic sinuses. What organ is it?
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A patient with liver cirrhosis has been given intravenously 500,0 ml of 5% glucose solution along with other drugs. There is a high risk of the following water-electrolytic balance disruption:
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Denture installation has caused excessive salivation in patient. It is caused by the following reflexes:
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A patient underwent lobectomy of the right middle lobe of a lung. What segments of the lung were affected?
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A patient complains of feeling of pain in his upper jaw and teeth. Physical examinations reveals painful feeling when supraorbital incisure area is pressed. What nerve is damaged?
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Microelectrode technique allowed to register a potential following "all-or-none"law and being able of undecremental spreading. Specify this potential:
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A patient with acute cardiac failure has been taking cardiac glycoside drug for a long time. He has developed the following symptoms: nausea, fatigue, extrasystole. What is the cause of this symptoms?
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To conduct serum diagnostics of typhoid fever a test is carried out, when diagnosticums of three types of microorganisms are being added into different solutions of patient's serum; then agglutinate formation is checked. Name the author of this kind of test.
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An electron microphotograph of duodenal epithelium clearly shows a cell with electron-dense granules in the basal pole. What cell is it?
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A 32-year-old patient has purulent wound in the lower third of forearm. Smear of purulent wound content has been made. What cells will be generally detected, if it is stained using Romanovsky-Giemsa stain?
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A 53-year-old patient with a long history of nephrolithiasis underwent nephrectomy. The kidney looks as a thin-walled sac filled with urine. Renal parenchyma is atrophied. Specify this complication of nephrolithiasis:
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A patient was taken to a hospital with dizziness, dry mouth, mydriatic pupils, accommodation disorder, tachycardia, difficult urination, intestinal atony. These symptoms might have been caused by overdose of the following drug:
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A patient with mandibular osteomyelitis shows the signs of plexus dentalis inferior damage and innervation disruption of his mandibular teeth and gums. What nerve provides this innervation with its branches?
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A woman with A (II), Rh-negative blood had a child with B (III), Rh-positive blood. The child was diagnosed with congenital anaemia of newborns. What is the most likely cause of its development?
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Preventive examination of a 55-year-old patient revealed type II diabetes mellitus. An endocrinologist revealed an increase in body weight and liver enlargement. The man is non-smoker and doesn't abuse alcohol but likes to have a good meal. Histological examination by means of diagnostic liver puncture revealed that the hepatocytes were enlarged mostly on the lobule periphery, their cytoplasm had transparent vacuoles showing positive reaction with sudan III. What liver pathology was revealed?
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In course of an experiment researchers stimulate a branch of a sympathetic nerve that innervates heart. What changes in cardiac activity should be registered?
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