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KROK 1 Dentistry 2006 Questions | KROKEXAM
Browse 2006 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
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During the examination of patient's oral cavity a dentist found a carious cavity on the crown surface of the second premolar tooth that was turned to the first molar tooth. Name the damaged crown surface:
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A woman in grave condition was admitted to a hospital with the following diagnosis: hemorrhagic stroke in the region of frontal part of the right cerebral hemisphere. The damage of what artery caused most likely this condition?
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A patient with cancer of the back of tongue had an intensive bleeding as a result of tumor spread to the dorsal artery of tongue. What vessel should be ligated in order to stop bleeding?
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A patient has an exudative pleurisy. At what level should the pleural puncture along the posterior axillary line be taken?
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A 17-year-old student pressed out a pustule in the medial angle of eye. In 2 days she was taken to the institute of neurosurgery with thrombosis of cavernous sinus. Through what vein did the infection get into this sinus?
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Before teeth come out first on their roots appears a solid tissue that looks like membrane reticulated bone. What tissue is it?
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A patient had a trauma that led to the injury of front spinal roots. Denote the damaged structures:
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The regeneration process of damaged skeletal muscles is very slow. What elements of musculoskeletal fiber take part in the process of regeneration?
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A 46-year-old patient was admitted to the hematological department. It was found that he had disorder of granulocytopoesis and thrombocytogenesis processes. In what organ does this pathological process take pace?
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A patient with an acute rhinitis has hyperemia and excessive mucus formation in nasal cavity. What epithelial cells of mucous membrane have the intensified activity?
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In course of an experiment the blood pressure of an animal had a stable rise by means of renal artery constriction. Hyperfunctioning of what renal cells cause this effect?
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The symptoms of regeneration process (callus) on the place of fracture were revealed at the histologic specimen of tubular bone. What tissue forms this structure?
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The chemical burn of esophagus caused its local constriction as a result of scar formation. What cells of loose connective tissue take part in scar formation?
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A woman has ovary hyperemia, increase of hematofollicular barrier permeability with edema development, infiltration of follicle wall by segmentonucleai leukocytes. The volume of follicle is big, its wall is thinned. What period of sex cycle does the described picture correspond with?
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In a histological specimen the gland adenomeres should be determined. They are formed by the cells with central round nucleus and basophilic cytoplasma. Determine the type of adenomeres:
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Microspecimen analysis of child's finger skin revealed that epidermis has signs of inadequate development. What embryonal leaf was damaged in the process of development?
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In a specimen that was coloured by method of silver impregnation some piriform cells with 2-3 evident dendrites were found. What structure is being analyzed?
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During the experimental analysis of chondrohistogenesis a sclerotome was damaged. What cells will it make impossible to differentiate?
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The deficit of vitamin A causes the disorder of twilight vision. What cells is the photoreceptor function typical for?
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During the embryogenesis of oral cavity the development of dental enamel was disturbed. What source of dental development was damaged?
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During the tooth development the enamel organ has prismatic cells with hexagonal intersection; the nucleus is si- tuated in the central part of the cell. What cells are meant?
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In course of embryogenesis maxillary and mandibular processes grew together with a delay. What development anomalies should be expected in this case?
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Recovery from an infectious disease is accompanied by neutralization of antigens by specific antibodies. What cells produce them?
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In a histological specimen of adrenal cortex there are petite polygonal cells that form roundish clusters and contain some lipidic inclusions. What part of adrenal is presented in this histological specimen?
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A 20-year-old patient complains of excessive thirst and urinary excretion up to 10 L a day. The level of glucose in blood is normal, there is no glucose in urine. What hormone deficit can cause such changes?
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A man has been holding his breath for 60 seconds. After that the respiratory minute volume has increased up to 12 L. What blood change is the main reason for the increase of respiratory minute volume?
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A patient with diminished excretory function of kidneys has bad breath. What substance which is excessively excreted by salivary glands is the main cause of this occurence?
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A patient with kidney disease has high blood pressure, espesially the diastolic one. Hypersecretion of what biologically active substance causes blood pressure rise?
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In course of an experiment chorda tympani of an animal was being stimulated by electric current, as a result the parotid duct excreted:
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A man permanently lives high in the mountains. What changes of blood characteristics can be found in his organism?
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A patient has been taking glucocorticoids for a long time. Drug withdrowal caused acute attack of his disease, blood pressure reduction, weakness. What are these occurences connected with?
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A sportsman was examined after an intensive physical activity. The examination revealed disorder of movement coordination but the force of muscle contractions remained the same. It can be explained by retarded speed of excitement conduction through:
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A patient has a transverse laceration of spinal cord below the VI thoracal segment. How will it change the character of breathing?
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A man consumes dry food. What salivary glands secret most of all?
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During the preparation of a patient for a heart operation the doctors measured blood pressure in heart chambers. In one of them the pressure was changing from 0 to 120 mm during one cardiac cycle. Name the heart chamber:
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A patient has the sudden decrease of Ca2 content in blood. What hormone secretion will increase?
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After a hemorrhage into the brainstem a patient has lost reflex of myosis as a reaction to increase of illumination. What structure was damaged?
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During phonocardiogram registration it was ascertained that the duration of the first heart sound twice exceeds the norm. It is most likely that patient has the following organ affected:
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In the course of an experiment a nerve is being stimulated by electric impulses. It leads to excretion of some quantity of thick viscous saliva by sublingual and submandibular glands. What nerve is being stimulated?
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Human body cools in water much more faster than in the air. Due to what way of heat emission does it happen?
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