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KROK 1 Dentistry 2019 Questions | KROKEXAM

Browse 2019 KROK 1 Dentistry exam questions with answers and explanations.

Exam questions

331 Questions
161

After a tooth extraction, the patient developed acute heart failure. What drug should be prescribed in this case?

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162

A 10-day old baby has undergone a surgery to repair cleft upper lip "hare-lip". Cleft upper lip has resulted from the following in this case:

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163

The height of a person is controlled by several non-allelic dominant genes. If the number of this genes is increased, the height of a person increase as well. What type of interaction occurs between these genes?

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164

An ophthalmologist has detected increased time of darkness adaptation in the patient ‘s eye what vitamin deficiency can cause this sign.

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165

During a surgery on the right side of the neck. Excursion of the right diaphragmatic dome was disturbed. This disturbance occurred because of the damage to the following nerve:

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166

A patient complains that even small traumas lead to persistent hemorrhages. Laboratory analysis shows disturbed blood composition. Namely a low count of the following blood corpuscles

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167

Lower limbs of a patient with varicose veins we're examined. The patient's legs are cyanotic and pastose, skin temperature is low, single petechiae are observed. What disturbance of hemodynamics is it?

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168

A 10-year-old boy is brought to the physician by his parents because of fever, cough and fatigue. He has been admitted to the hospital 5times because of pneumonia. Attempts to induce immunity using the pneumococcal vaccine have failed. The first hospitalization was at the age of 12 months. Laboratory findings shows marked reduction in all classes and subclasses off serum immunoglobulins. Which of the following immune cells is most likely to be reduced in the peripheral blood of this patient?

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169

An 8-year-old child presents with frequent severe subcutaneous hemorrhages. Prescription of vicasol had a positive effect. This vitamin participates in gamma carboxylation of glutamic acid in a certain blood clotting protein

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170

According to the data collected by WHO researches 250 million malaria cases occur in the world. This diseases can be encountered predominantly in tropical and subtropical areas. The spread of this Disease matches the natural habitat of the following genus of mosquitoes:

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171

A certain embryonic organ is being studied. In this organ the first blood corpuscles that make up blood as a tissue are being formed. Name this organ?

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172

A patient on the 2nd day after a cardiac infarction presents with acute decrease of systolic blood pressure down to 60 mm Hg with tachycardia 140/min., Dyspnea, loss of consciousness. What mechanism is essential in the pathogenesis of shock developed in the case?

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173

A 43-year-old cattle farm worker is brought to the surgeon with fever, malaise and inflamed lesions on his hands and arms. He reports that about 2 weeks before his presentation at the hospital he noticed small, painless, pruritic papules that quickly enlarged and developed into erosion and left painless necrotic ulcers with black, depressed eschar. Gram's staining of the ulcer reveals gram-positive spore forming bacilli.Which of the following disease is the most likely cause of these findings?

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174

Autopsy of an 86 years old woman, who suffered from cerebral atherosclerosis, shows atrophy of her cerebral cortex. Name this type of atrophy based on it cause:

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175

A connective tissue specimen stained with hematoxylin-eosin shows isogenous cell groups surrounded with basophilic intercellular substance. No fibrous structures are detected. What type of connective tissue is it ?

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176

According to the law of constancy of chromosome numbers, most animal species have definite and constant chromosome numbers. The mechanism that maintains their constancy during sexual reproduction of organism is called:

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177

A 35-year-old man has come to dentist with complaints of decreased density of dental issue and increased brittleness of his teeth during consumption of solid food. Laboratory analysis measured ca/p correlation in the enamel sample. What value of ca/p indicates increased demineralisation?

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178

A Certain drug with potent natriuretic action is usually prescribed for dehydration therapy of Cerebral and pulmonary edemas. Name the drug:

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179

Examination of an oral cavity shows puffy gums between teeth and gums, contact bleeding. The dentist Suspects serious gum infection the damages the soft tissue and destroys the bone that supports this teeth. This pathology can cause teeth to Loosen or lead to tooth loss which of the following is most likely diagnosis?

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180

A pregnant women developed with severe toxemia with exhausting recurrent vomiting throughout a day. By the of the day she developed Tetanic convulsions and dehydration. The described changes is caused by the following type of acid base imbalance

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181

A woman was diagnosed with peptic ulcer of the stomach. She has a long history of rheumatoid arthritis. What drugs are the likely cause of this disease in the patient?

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182

In microanatomy of some organs, there is a sheet like structure,which underlies virtually all epithelia. It consists of basal lamina (made of type four collagen, glycoproteins and proteoglycans) and reticular lamina. Under the microscope you can see it as a pink line under the epithelial cells. Which of the following is described above?

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183

In the experiment an investigator reveals that Glucose is actively taken up by cells except brain cells. Moreover, gluconeogenesis in liver is stimulated and glycogen synthesis in liver and muscles is increased. Which of the following hormones is most likely to be responsible for these changes?

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184

To terminate a bronchial asthma attack that developed in the patient during the tooth extraction the patient was given salbutamol. This drug belongs to the following pharmacological group?

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185

A Person bitten by a stray dog came to surgeon’s office. Wide lacerated wounds are localized on the patient’s face. What rabies prevention aid should be provided to this person?

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186

A 30-year-old patient after a case of viral hepatitis type b has developed complaints of continuos nasal hemorrhages. What drugs would be the most advicable for treatment of the condition?

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187

A patient with tall stature with drooping lower lip, big nose and large extremities has made an appointment with the doctor. What gland is likely to be present with excessive secretion in this patient?

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188

A 40-year-old male comes to the physician because of reccurent painful flares and swelling of the metatarsal phalangheal joint of the great toe. Laboratory study of the urine sample shows extremely low pH And pink discoloration, which of the following metabolic intermediates is the most likely cause of changes in this patients's urine?

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189

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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190

Mother of a 4-year-old child complains that the child developed elevated body temperature, tenesmus, diarrhoea, and the abdominal pain attacks. The child attends a preschool facility. Laboratory analysis detected mucus and blood admixtures in the child feces. Name the changes That occur in the gastrointestinal tract during dysentery:

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191

A women has undergone a surgery for femoral hernia. In this case of hernia protrusion is projected into the :

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192

Mother of a 2-year-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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193

Maan was submerged into a ice-cold water and soon died of abrupt exposure to cold. In such cases an organism loses heat most intensively by the way of:

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194

A person in a hot weather for a long time had no water, has resulting in a severe thirst. What Indicator of the blood homeostasis was affected. Leading to the development of this sensation

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195

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

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196

A 16-year-old girl, who has been starving herself for a long time to lose weight ,developed an edema. This phenomenon is mainly caused by :

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197

A patient with hypochromic anemia was prescribed an iron containing drug for intravenous Administration only. Name this drug:

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198

After a cold the patient developed impaired perception of pain and thermal stimuli in the front two third of tongue. What nerve was damaged in this case?

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199

A 34-year-old male comes to the dentist because of a 1st year history of swelling in the right upper jaw. On intraoral examination a single diffuse 2×1.5 cm swelling is seen on the right side of anterior maxilla. A biopsy specimen of the lessons shows numerous thin walled sinusoids in the connective tissue.hemosiderin deposition, and numerous giant cells in a haenorrhagic background. Which of the following is the most likely diagnosis?

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200

In human population some people throughout their life develop not two but three dentitions. It is the manifestation of the following the law:

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