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KROK 1 Dentistry 2020 Questions | KROKEXAM
Browse 2020 KROK 1 Dentistry exam questions with answers and explanations.
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A deletion of the short arm of the 5th chromosome was detected in the somatic cells of an abortive human fetus. Specify the number of autosomes in the karyotype of this organism:
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An autopsy of a person with malaria shows markedly icteric skin, sclera, and and colored slate-gray. Such color of the mucosal tunics The spleen is enlarged spleen is caused by the presence of:
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A dentist used a solution of potassium permanganate as an antiseptic This preparation has a bactericidal effect because of
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Disturbed endoderm differentiation detected in an embryo material This process can lead to developmental changes in the following organs
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The microslide of a human embryo obtained from a spontaneous miscarriage, an embryonic shield s visible and has two cellular layers endoderm and ectoderm. This embryo was at the following developmental stage:
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A 58-year-old man has a clinical presentation of acute pancreatitis. This diagnosis can be confirmed,if urine levels of a certain substance are elevated. Name this substance:
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When divers quickly rise from the depths to the surface, they risk developing decompression sickness that can result in death caused by gas embolism. What gas is produced in this case?
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A skin neoplasm was removed from a patient The neoplasm is dense node with a papillary surface that resembles. a cauliflower Microscopically the tumor consists of numerous papillae it's parenchyma is formed from the convering epithelium with increased number of layers The epithelium retains the cell polarity as well as its stratification and intactness of the proper membrane The tumor stoma is located within the center of the papillae Make the diagnosis :
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Some mRNA triplets ( UAA, UAG, UGA) code no amino acids and terminate the information readout instead i.e, that can stop the process of transcription. These triplets are called
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After examination the signs of acromegaly were detected in a patient what endocrine gland is involved in this pathological process?
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The process of aging in the humans is associated with decreased synthesis and secretion of pancreatic juice and its lower trypsin content. It results in the disturbed breakdown of
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A patient was delivered into a hospital with the provisional diagnosis of botulism. What serological reaction should be used for detection of botulism toxin in the material being analyzed?
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A patient was diagnosed with peptic ulcer disease of the stomach and prescribed an antibacterial treatment. This treatment will be aimed against the following cariotive agents
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Fluorination is one of the main method for improvement of enamel resistance The mechanism of fluorine anticaries action is based on:
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Lower limbs of the patients with varicose vein were examined. The patient legs are cyanotic and pastose, skin temperature is low ,single petechia are absorbed. What disturbance of hemodynamics is it ?
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Patient complaints of severe rhinitis and total loss of olfactory perception. Receptors of the olfactory analyzer or damaged in this patient were in the nasal cavity or these receptors located ?
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The patients ECG's showed shortened of R - R interval. How will the cardiac activity change as the result ?
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To clarify the diagnosis of 15 years old patient it is necessary to perform a sialography of the parotid gland where is the opening through which a radio contrast agent will be introduced in this case ?
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A pregnant woman developed severe toxemia with exhausting recurrent vomiting throughout a day By the end of the day she developed titanic convulsions and dehydration. The described changes were caused by the following type of acid-base imbalance:
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A patient has a parotid gland inflammation. What nerve is involved in the inflammatory process in this case?
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A 42 -year-old women who has been keeping to a vegetarian deit for a long period of time consulted a doctor Examination revealed negative nitrogen balance in the patient what factors is the balance in the patient what factors is the most likely cause of such a condition ?
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A patient has a deep incised wound on the back of neck. What made damaged in this case :
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Mother of a 2- years-old child with delayed physical and mental development has made an appointment with the genetic consultation what method allows the doctor to rule out chromosomal abnormalities ?
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A patient needs his tongue to be amputated due to a malignant tumor located there. Where can one easily find the lingual artery and ligate it?
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A patient has arrhythmia what medicine needs to be prescribed in this case?
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A sputum sample obtained from a tuberculosis patient was sent to a bacteriological laboratory.Bacterioscopy of smear microslides for detection of the tubercle bacillus requires the following staining method:
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Premature newborns have impaired surfactant synthesis. What is the function of a surfactant in the lungs?
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A patient complain that even small trauma leads to persistent hemorrhage laboratary analysis shows disturbed Blood composition. Name a low count blood carpasule
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For a surgery in the maxillofacial area, cholinergic agents are used to decrease salivation. What drug of those listed below would you recommend for this purpose?
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Mucin aggregates retain water which results viscosity and protective action. It is possible because mucin structure contains
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Various substance can be used as anticoagulant. Among them there is certain naturally derived polysaccharide. Name the polysaccharide
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A 23-year-old man developed a perforation in his hard palate.A dense formation in this area. After surgery microscopy of the excised formation showed there a large focused of caseous necrosis surrounded with a granulation tissue with endovasculitis and a cellular infiltration consisting of lymphocytes and epitheliod cells with predominance of plasma cells.What is the most likely disease in this case??
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A patient with chronic caries of tooth 36 did not visit a dentist for a long time. The patient developed a sharp pain in the lower jaw and a check swelling. His body temperature increased up to 38°C. What changes in the blood test findings should be expected in this case?
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After cold a patient developed impaired perception of pain and thermal stimuli in the front of the 2/3 tongue. What nerve was damaged in this case ?
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Mucus is known to always cover the epithelium of the nasal cavity proper what cells of the mucosal epithelium in the nasal cavity synthesize mucus?
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In the course of surgery, the fibres of the 12th pair of cranial nerve were damaged. This damage is manifested as ?
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The patient died of cardio pulmonary insufficiency is hardly enlarged the wall of his right ventricle is thickened on section and the cavity is dilated characterized the pathological process.
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Autopsy of a man, who died suddenly with signs of acutely disturbed cerebral ciruculation revealed aneurysm rupture of the middle cerebral and a round cavity 4cm in diameter filled with blood in his frontal lobe. Name the type of hemorrhage
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What nitrate drug would you recommend to a patient with ischemic heart disease for prevention of angina pectoris attacks?
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A patient has chronic multiple brochiectasis complicated with severe nephropathy with massive edematous syndrome. Laboratory tests detect marked proteinuria, cylinduria, significant decrease of the serum protein levels, hyperlipidemia, hypokalemia, and other abnormalities. Name the primary and the most significant pathogenetic link of edema development in this patient;
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