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KROK 1 Dentistry 2017 Questions | KROKEXAM

Browse 2017 KROK 1 Dentistry exam questions with answers and explanations.

Exam questions

200 Questions
161

High-altitude dwellers typically demonstrate chronically intensified respiration and decreased pCO2 value of blood. What mechanism is leading in the compensation of their asid-base imbalance?

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162

A patient has suffered a head injury. On examination there is a subcutaneous hematoma in the temporal area. What vessel was damaged, thus resulting in hematoma development?

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163

Due to severe pain syndrome a patient has been prescribed a narcotic analgesic. Specify the prescribed drug:

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164

A 50-year-old man came to a hospital with complaints of memory disorders, painful sensations along the nerve trunks, decreased mental ability, circulatory disorders and dyspepsia. Anamnesis states excessive alcohol consumption. What vitamin deficiency can result in such symptoms?

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165

A young man has been performing physical exercises, holding a weight for a long time. What kind of muscle contraction is the most characteristic of these exercises?

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166

A patient presents with lymphocytic-monocytic leukogram pattern. It is characteristic of:

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167

A patient has been hospitalized with provisional diagnosis of diphyllobothriasis. What food products can be the cause of this condition?

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168

During examination of a woman she was found to have a luminal narrowing of the right jugular foramen (foramen jugulare). What cranial bones form this foramen?

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169

What coenzyme of flavin-dependent dehydrogenases participates in the reactions of tricarboxylic acid cycle?

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170

A patient is diagnosed with inflammatory process in the area of the excretory duct of submandibular gland. This duct opens to:

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171

A patient suffering from arthritis is prescribed a COX2 selective inhibitor with anti-inflammatory action. Specify this drug:

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172

A patient has undergone recurring blood tests that revealed sharp fluctuations of glucose content: significant increase in absorptive state and significant decrease in postabsorptive state. What pathology can be the cause of it?

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173

A person found oneself in an emotionally straining situation. As the result the blood adrenaline level has risen, therefore increasing the strength of cardiac contractions. In what way does adrenaline increase the strength of cardiac contractions?

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174

During a brain surgery stimulation of the cerebral cortex resulted in tactile and thermal sensations in the patient. What gyrus was stimulated?

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175

A patient suffering from malaria has developed hemolytic anemia after taking primaquine antimalarial drug. Hereditary insufficiency of the following enzyme in erythrocytes will be observed in this case:

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176

Bacilli were extracted from the investigated sample. The bacilli are curved, extremely mobile, gramnegative, form no spores or capsules, have anaerobic form of respiration. They form transparent smooth colonies in alkaline agar, ferment saccharose and mannose into acid, produce exotoxin, fibrinolysin, collagenase, and hyaluronidase. What agent was extracted?

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177

A 30-year-old man with glomerulonephritis has developed nephrotic syndrome. What symptom invariably accompanies nephrotic syndrome?

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178

Ulcer disease of the duodenum has been detected in a 38-year-old man. A treatment was prescribed after which the patient considered himself to be healthy. However, half a year later the patient developed pain in the epigastrium, heartburn, and insomnia. The patient’s condition can be estimated as a:

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179

Autosomal nondisjunction had occurred in a woman during meiosis. An ovum with the third copy of the 18th chromosome was formed. The ovum was impregnated by normal spermatozoon. The resulting child will suffer from:

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180

Amino acids join to each other in ribosomes of granular endoplasmic reticulum. Knowing the sequence of amino acids and applying genetic code, it is possible to determine the sequence of nucleoids in:

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181

A patient suffers from an inflammatory process in the area of the lower wall of orbital cavity. What anatomical structure makes it possible for the inflammatory process to spread to the pterygopalatine fossa?

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182

In 8 days after a surgery the patient developed tetanus. The surgeon suspects this condition to be caused by suture material contaminated by tetanus agent. The material is delivered to a bacteriological laboratory. What nutrient medium is required for primary inoculation of the suture material?

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183

A patient is diagnosed with deformed posterior portion of the nasal septum. What bone is deformed?

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184

A patient suffers from disturbed blood supply of superior lateral surface of the cerebral hemispheres. What blood vessel is damaged?

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185

A victim of an accident has hemorrhage in the area of lateral surface of the mastoid process. What branch of the external carotid artery supplies this area with blood?

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186

A 33-year-old man presents with disturbed pain and thermal sensitivity after a spinal cord trauma. The following ascending tract is injured:

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187

A patient is diagnosed with pancreatitis. Starch decomposition disturbance occurs in the patient’s intestine due to deficiency of the following pancreatic enzyme:

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188

Histologic specimen of a tooth slice shows a tissue consisting of intercellular substance permeated with tubules, in which cellular processes of odontoblasts are situated. What tissue is presented in this histologic specimen?

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189

To test teeth sensitivity they are sprayed with cold or hot water. What structure of cerebral cortex provides subjective estimation of this thermal test?

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190

During oral cavity examination a dentist noticed eruption of the permanent canines in a child. The child grows and develops normally. Determine the child’s age:

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191

Autopsy of a 58-year-old man, who had been suffering from rheumatic heart disease and died of cardiopulmonary decompensation, revealed gray diffuse film- and fiber-shaped coating in his pericardium. What type of inflammation is characteristic of this pericarditis?

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192

During examination of the patient’s oral cavity a dentist noticed deformation of the teeth and a crescent indentation on the upper right inscisor. The teeth are undersized, barrel-shaped — tooth cervix is wider than its edge. The patient uses a hearing aid, suffers from visual impairment. What type of syphilis affects teeth in such a way?

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193

Autopsy of a 45-year-old man revealed the following: wrinkled shagreen-resembling intima in the ascending aorta; elastic staining is negative. Wall of the left ventricle is up to 1,5 cm in width; no myocardial alterations. Specify the most probable disease of the aorta:

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194

A patient has developed a painful sore with soft ragged edges in the oral cavity. Microscopically there is lymphocytic infiltration with epithelioid and giant multinucleate Langhans cells in the sore floor. What diagnosis is the most likely?

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195

Lateral X-ray of the occipital bone area demonstrates fracture of the occipital condyle. Integrity of the following anatomical structure is disturbed:

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196

In the process of embryogenesis of dentomaxillary system there was an enamel disturbance detected. What source of tooth development is damaged in this case?

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197

The autopsy of the body of a man, who suffered from toxic diphtheria and died on the 9th day from the onset of disease with signs of cardiac decompensation, has revealed the following: dilated cardiac cavities, dull flaccid myocardium, myocardial section is variegated. Microscopy revealed fatty degeneration of cardiac hystiocytes, large foci of myocytolysis, stromal edema with scant lymphocytic and macrophageal infiltration. Specify the type of myocarditis in this case:

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198

A doctor has made a diagnosis of gingivitis and recommended the patient to rinse the oral cavity with an oxidizing agent. Specify this agent:

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199

In dental practice atropine sulfate is used to decrease salivation. This drug belongs to the following group:

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200

A patient has developed a grayish-white dense protruding focus on the oral mucosa. Histologycally there are hyperkeratosis, parakeratosis, and acanthosis of epithelium with lymphocytic and plasmocytic infiltration of underlaying connective tissue in this area. What pathology has developed in the oral mucosa?

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