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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 patient complains of severe rhinitis and total loss of olfactory perception. Receptors of the olfactory analyzer are damaged in this patient. Where in the nasal cavity are these receptors located?
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A patient with Cushing syndrome presents with persistent hyperglycemia and glucosuria. This patient is likely to have increased synthesis and secretion of the following hormone:
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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 causative agent:
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During physical and emotional exertion a person is less sensitive to pain. This phenomenon occurs due to activation of the:
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During the neurologist’s examination, a patient presents with a sensory loss on the back surface of the left hand. Name this phenomenon:
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A patient has a deep incised wound on the back of his neck. What muscle is damaged in this case?
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A 4-year-old child has numerous carious cavities and yellow-colored teeth. It is known that during her pregnancy the child’s mother was undergoing an antibiotic treatment. What medicine was likely being taken by the child’s mother?
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Replication is one of the reactions of matrix synthesis. What new molecule forms on the DNA molecule in the result of replication?
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A patient suffers from disturbed blood supply of superior lateral surface of the cerebral hemispheres. What blood vessel is damaged?
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Ultrasound of a 1.5-year-old child showed a non-union of the foramen ovale. Where in the heart is this anatomic structure located?
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The workers of a nuclear power plant undergo regular medical check-ups, during which primarily the system that is the most sensitive to ionizing radiation is examined. Name this system:
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A cessation of morphine administration after its long-term use leads to the development of severe mental, neurological, and somatic disorders. Name this condition:
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A histopathological analysis of the tissues of an extracted tooth shows that a larger part of the dental cavity is filled with the collagen fiber-rich connective tissue and cellular infiltrations that are made up of lymphocytes and plasma cells. What type of pulpitis can be characterized by the described changes?
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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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During examination of the patients, a dentist noted that many of them have dull, non-glossy enamel with porcelain- like and pigmented spots. Some patients have single or multiple enamel defects that manifest as colorless or pigmented erosions. These changes in the teeth developed in the result of the excessive intake of a certain substance by the organism. Name this substance:
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A newborn has well-developed jaws with tooth buds for both deciduous and permanent teeth in the each one. How many tooth buds are there in one jaw of the newborn?
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A postmortem examination of the body of a 59-year-old woman, who died of acute heart failure, detected in the left ventricular wall an irregularly-shaped yellow area, 2.5x2 cm in size, with a doughy consistency. In the corresponding place on the endocardium a thrombus was formed, while on the epicardium there were fibrinous deposits. What was the localization of the infarction in relation to the cardiac wall in this case?
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The autposy of the body of a 4-year-old girl, who was ill for a long time and died of confluent pneumonia, showed that the weight of her thymus was 2 erams. Thymus histology revealed sharp decrease in lymphocyte levels, collapse of the thymic stroma, and a small number of calcified, cystically dilated Hassall’s corpuscles. What patological process developed in the thymus?
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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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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 cheek 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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An inoculation of intestinal microorganisms on the endo medium results in the growth of colonies that can be either colored or colorless. This process is based on the fermentation of a certain carbohydrate. Name this carbohydrate:
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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 defects detected a purulent exudate on the floor of the defect. Under the exudate the is an area of necrotic tissue the underlying granulation tissue that transforms into mature fibrous tissue. What pathology was developed in the patient's check?
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A 60-year-old man with diabetes mellitus was prescribed insulin What type of pharmacological therapy is it?
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A patient with essential hypertension has increased blood vasopressin levels This hormone has an effect on the functioning of the following organ :
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The patient’s joint are enlarged and paninful.The patient’s urate levels are high. Name this pathology
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A patient delivered to the neurological department presents with increased inhibition processes in the central nervous system. What neurotransmitter can cause this condition, when in excess?
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A patient with streptococcal pneumonia was prescribed an antimicrobial agent that disrupts the formation of microbial membranes. Name this drug:
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During a car accident, a person received a strong blow to the epigastric region, which caused a cardiac arrest. What was the likely cause of such changes in the cardiac activity ?
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A deciduous second molar was extracted in a 13-year-old child. What permanent tooth will replace the extracted one?
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In some hereditary diseases (e.g. Kearns-Sayre syndrome). mitochondrial destruction can be observed. What cellular processes can be disturbed in the result?
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A patient being treated for viral B hepatitis developed signs of hepatic failure. What changes in the blood test that indicate a protein metabolism disorder will most likely be observed in this case?
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A sample of patient blood taken for analysis in presence of heparin .By the chemical structure anticoagulant belong to,
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A patient is diagnosed with stomatitis caused by herpes simplex virus, type 1 and 2. What medicine that is an analogue of nucleosides and is converted by thymidine kinase can provide highly effective selective antiviral therapy?
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A patient loses his equilibrium,when in an upright position with his eyes closed. What brain structures are the most likely to be damages in this patient?
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An acute blood loss has caused a decrease in the systemic blood pressure This situation can be stabilized with the intensified secretion of a certain hormone Name this hormone
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At the sixth month of pregnancy a women developed marked iron deficiency anemea. The diognotic character of the disease is the appearance of the following in the blood;
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Histologic specimen of a tooth slice shows a tissue consisting of intercellular substance Prema with tubles in which cellular process of of odontoblast are situated what issues presented in this Histologic specimen.
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The patient suffers from disturb blood supply of the superior lateral surface of the cerebral hemispheres. What blood vessel is damaged ?
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The patient's saliva has been tested for antibacterial activity. What saliva component has antibacterial properties?
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A patient is diagnoscd with pneumonia of mycoplasma etilogy what antibiotics based on their mechanism of the Should NOT be used in the course of the treatment?
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