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KROK 1 Dentistry 2008 Questions | KROKEXAM
Browse 2008 KROK 1 Dentistry exam questions with answers and explanations.
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As a result of dehelmintization a 2 m helminth came out with feces. It had segmented body, small head with four suckers and hooks. Name the type of helminth:
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Examination of a histological specimen of tubular bone revealed signs of regeneration process (callus). What tissue is this structured formed of?
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What substance makes the saliva viscous and mucous and performs protective function, including protection from mechanical injury of mouth mucous membrane?
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For the purpose of disinfection of nonmetallic surgical instruments the formaldehyde solution was used. What group does this anticeptic preparation belong to according to its chemical structure?
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A patient suffers from bradyarrhythmia caused by hypertension. What drug should be administered?
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Liver specimen contains intralobular capillaries that have broad irregular lumen. The greatest part of the capillary has no basal membrane. What type of capillaries is it?
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It is required to disinfect equipment in a dental room. Choose a preparation without disagreeable odour and colouring power:
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A patient who has been traeted in a neurological clinic with sedatives for a long time has the following complications: cough, rhinitis, lacrimation. What preparation might have caused such disorders?
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A man is ill with a protozoan disease characterized by cerebral affection and loss of sight. Blood analysis revealed halfmoon-shaped unicellular organisms with pointed ends. This disease is caused by:
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Medullary substance of a hemopoietic organ's lobule in a histological specimen is lighter coloured and contains epithelial bodies. What organ are these morphological preperties typical for?
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Parodontitis is accompanied by proteolysis activation in the parodontium tissues. Proteolysis activation is signalized by increase of the following component of mouth liquid:
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All nonsteroidal anti-inflammatory drugs can be harmful for stomach mucous membrane. In order to find substances that don't cause such complication it is necessary to know factors it is connected with. What molecular substrate should be less affected in order to reduce intensity of this complication?
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A patient is ill with dermatitis, diarrhea, dementia. During history taking it was revealed that the main foodstuff of the patient was maize. These disturbances are caused by deficiency of the following vitamin:
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It was revealed that a patient with coagulation failure has thrombosis of a branch of inferior mesenteric artery. What bowel segment is affected?
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Prophylactic examination of a patient revealed hyperglycemia, ketonuria, polyuria, glycosuria. What form of acid-base balance disorder is the case?
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A patient has myocardium infarction of the posterior wall of the right ventricle. What artery's branches are thrombosed?
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Among students of the same group there are representatives of different races. One of the students has straight black hair and a fold of skin extending over the superior eyelid - epi-canthus. What race does this student most probably represent?
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Histological examination in the area of cervix of a fundic gland reveals small cells that have high nuclear-cytoplasmatic ratio and basophilic cytoplasm. What is the function of these cells?
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A neurological department admitted a 62 y.o. man in grave condition on account of cerebral hemorrhage. Objectively: increase of respiration depth and frequency, then its decrease to apnoea, whereupon the cycle of respiratory movements is restored. What respiration type is it?
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A patient with accute attack of duodenal ulcer was admitted to a hospital. Analysis of his gastric juice revealed intensification of secretory and acidforming stomach functions. Choose a drug that will reduce secretory stomach function due to blockade of H2-receptors:
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It was reported an outbreak of food poisoning connected with consumption of pastry that had been stored at a room temperature and had duck eggs as one of the ingredients. What microorganisms might have caused this disease?
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Enzymatic jaundices are characterized by disbalanced activity of UDP-glucuronyl transferase. What compound is accumulated in the blood serum in case of these pathologies?
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A patient has recently had staphylococcal infection that led to anasarca; laboratory urine analysis revealed massive proteinuria. Results of blood analysis: hypoproteinemia, hyperlipemia. What pathology can be suspected?
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A student has been staying in a badly ventilated room for a long time that resulted in acceleration of respiratory rate. What receptors were the first to react to the increased concentration of carbonic cid in the air?
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Tetracycline taking in the first half of pregnancy causes abnormalities of fetus organs and systems, including tooth hypoplasia and alteration of their colour. What type of variability is the child's disease related to?
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A blood smear of a patient who has recently recovered from flu contains 10% of roundish cells 4,5-7 micrometer large with a big round nucleus and basophi-lically stained cytoplasm in form of a narrow border around the nucleus. What blood status are they typical for?
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3 years ago a 52 y.o. man underwent an operation for stomach extraction. Results of blood analysis: erythrocytes - 2,0• 1012/l, Hb- 85 g/l, colour index - 1,27 These changes were caused by disturbed assimilation of the folowing vitamin:
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After a surgical procedure a patient felt ill with enteroparesis. What medication from the group of anticholinesterase drugs should be prescribed?
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A 20 y.o. patient complains of general weakness, dizziness, rapid fatigability. Examination results: Hb- 80 g/l; microscopical analysis results: erythrocytes are deformed. These symptoms might be caused by:
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A patient was admitted to a hospital because of risk of inflammation spread from the occipital area to the cranial cavity. What anatomical formation can the inflammation spread through?
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Being at a dentist a patient had an attack of stenocardia. What drug from the nitrate group should be applied in this case?
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An isolated muscle fiber is under experiment. It was ascertained that excitement threshold of a cell was significantly lowered. What might have caused this phenomenon?
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A 16 y.o. girl consulted a dentist about dark colour of tooth enamel. Analysis of her pedigree revealed that this pathology was inherited by all girls from father and by 50% of boys from mother. What mode of inheritance are these pecularities typical for?
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It was revealed that a 42 y.o. patient suffering from paradontosis had roundish calcified formations 2-3 mm in diameter in the coronal pulp. Name these structures:
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An employee was working with radioactive substances and as a result of an incident he was irradiated with 4 Gy. He complains about headache, nausea, di-zzyness. What changes of blood formula can be expected 10 hours after irradiation?
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For treatment of skin diseases with apparent inflammation in the maxillofacial area the topical glucocorticoids are applied. What preparation has the minimal resorptive effect?
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A doctor recorded in the medical history that a patient had hypopnoea (reduced respiration depth). It means that the following characteristic of external respiration is reduced:
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A patient has an allergic reaction accompanied by itching, edemata and reddening of skin. What biogenic amine has an increased concentration in the tissues?
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A patient consulted a doctor about difficulties with urinary excretion. Examination revealed hypertrophy of an organ that encloses proximal part of urethra. What organ is it?
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After prophylactic medical examination a 7 y.o. boy was diagnosed with Lesch-Nyhan syndrome (only boys fall ill). His parents are healthy, but his grandfather by his mother's side has the same disease. What type of inheritance is it?
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