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KROK 1 Dentistry 2021 Questions | KROKEXAM

Browse 2021 KROK 1 Dentistry exam questions with answers and explanations.

Exam questions

300 Questions
281

Prolonged exposure of a human body to toxic substances has resulted in destruction of the organelles that perform protein synthesis in the hepatocytes. Name these organelles:

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282

A patient on the 2nd day after 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 this case?

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283

Examination shows that tooth 47 touches a deep defect in the patient's buccal mucosa. The margins of the defect are dense and clear, the floor of the defect is gray. Microscopy of the biopsy material obtained from the wall of the defect detected a purulent exudate on the floor of the defect. Under the exudate there is an area of necrotized tissue with underlying granulation tissue that transforms into mature fibrous tissue. What pathology has developed in the patient's cheek?

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284

In the microslide of a human embryo obtained from a spontaneous miscarriage, an embryonic shield is visible and has two cellular layers: endoderm and ectoderm. This embryo was at the following developmental stage:

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285

An 84-year-old patient suffers from parkinsonism. One of the pathogenetic development elements of this disease is deficiency of a certain mediator in some of the brain structures. Name this mediator:

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286

An inoculation of pus, obtained from microorganisms arranged in uruncle, revealed spheric grape. What microbes were detected?

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287

An examination of the oral cavity of a 50-year-old man, who is a long-term smoker, detected on the lingual mucosa an irregularly-shaped whitish plaque. Histologically, there are thickening of the stratified epithelium, squamous hyperkeratosis, parakeratosis, and acanthosis. Specify the type of the pathological process:

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288

A newborn failed to take his first breath. Autopsy revealed that despite unobstructed airways the lungs of the newborn were unable to stretch. What is the most likely cause of this condition?

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289

In an experiment, the internal layer of the enamel organ epithelium was destroyed in the tooth germ of a lab animal. It will disrupt the development of the following dental tissue:

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290

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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291

Autopsy of the body of a 62-year-old man detected a focus of tissue breakdown in the liver. The lesion is 4 cm in diameter and filled with a yellowish-green fluid. What is the most likely diagnosis?

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292

A patient hypertension has high blood vasopressin levels. This hormone has an effect on the functioning of the following organ?

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293

Correlation between one nerve fiber and all the muscle fibers it innervates is called a motor unit. What body part has the smallest number of muscle fibers innervated by one nerve fiber?

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294

A topical anesthetic was applied to the tongue apex of an experiment participant. The resulting gustatory loss will make this person unable to feel the following taste:

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295

A patient with urolithiasis was given a narcotic analgesic with antispasmodic effect. Name this drug:

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296

What internal organ plays the largest role in the humoral regulation of erythropoiesis?

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297

A patient with acute appendicitis presents with increasing leukocyte blood What type of leukocytosis can be count. Observed in the patients diagnosed with this condition?

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298

After a ride in a car, with a side window open, the driver developed facial because of one-sided asymmetry paralysis of mimic muscles. The left eye cannot be fully closed. What cranial nerve

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299

What helminthiasis typically has natural foci, where population eats freshwater fish?

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300

After a cerebrocranial trauma during Which the cerebellar region was damaged, the patient's movements became temporally and spatially discoordinated. What pathology developed in the patient? is damaged?

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