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KROK 1 Dentistry 2019 Questions | KROKEXAM
Browse 2019 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
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A man presents with incised wound on the medial surface of the forearm. Blood that flows from the wound is dark. What vessel is damaged?
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A 2-year-old child with a history surface of URTI, who died with signs of cardiopulmonary failure, has hyperemic right lung. In segments 2, 6, and 10 on the surface and on section there are irregular-shaped yellow airless foci, with their size varying from several millimeters to 1 cm. Microscopy shows that in theses alveoli, bronchioles and small bronchi contain exudate with predominance of neutrophils. What is the most likely diagnosis?
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Presence of citrulline and high ammonia levels are detected in the urine of a newborn. This child is likely to present with disturbed production of the following substance:
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During analysis of a blood sample, the laboratory assistant additionally noted that this sample belongs to a female patient. Such conclusion can be made based on the structural characteristics of certain blood corpuscles. Name this type of corpuscles:
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What antimicrobial drug IS NOT a cephalosporin antibiotic?
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What immunoglobulins produced in salivary glands ensures local immunity of oral mucosa?
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A 27-year-old patient with neck wound has lost over 30 % of blood volume. The patient is in severe condition: blood pressure - 60/40 mm Hg, heart rate 140 / min, respirations - 30 / min, conscious. Characterize the patient's condition:
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A 22-year-old man was brought into the inpatient department with complaints of fever and weakness. One of his enlarged cervical lymph nodes was excised for histological analysis. In the tissues of the lymph node there are necrotic foci surrounded with epithelioid cells, Langhans multinucleated giant cells, and lymphocytes. What disease can be suspected in this case?
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A student, who throughout the semester was studying poorly, emotionally tense during the final exam. Leading mechanism of emotional tension with a in this case is the lack of:
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A man has developed downturning mouth and smoothed out nasolabial fold due to influenza complication. What nerve is damaged?
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The patient's blood group being determined using monoclonal test reagents. Agglutination reaction is positive with anti-A and anti-B reagents and negative with anti-D reagents. Name the blood group of this patient:
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Chronic inflammation of gingiva resulted in excessive growth of connective tissue fibers. What cell elements are leading in the development of this condition?
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Intensive physical work leads to accumulation of lactic acid in muscles What enzyme enables formation of lactic acid from pyruvate in the process of anaerobic glycolysis?
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Deficiency of a certain vitamin can result in a group of symptoms called pellagra. Dermatitis, diarrhea, and dementia are the three main symptoms in such cases. Name the deficient vitamin:
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Basement membrane consisting of three layers is an important component of renal filtration barrier. It has dense middle layer with specialized structure. This membrane is located in?
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After administration of eyedrops, the patient developed mydriasis and paralysis of accommodation. What group of drugs can cause this effect?
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A patient with trigeminal neuralgia was given parenterally a non-narcotic analgesic with rapid onset and short action. This analgesic is manufactured in tablets and ampoules. What drug was the patient administered?
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Prior to tooth extraction the patient was given a local anesthetic, lidocaine What is the mechanism of anesthetic action of this drug?
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Lysozyme is a hydrolyzing enzyme that provides protective function of saliva. Its antibacterial properties are based on its ability to break the structural integrity of a bacterial cell wall by inducing hydrolysis of the following:
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To improve digestion of fatty food, the patient was prescribed a bile-containing preparation. What components of this preparation take part in emulsification of fats?
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A patient has a head trauma in the area of the suture between two parietal bones. What sinus of dura mater is likely to be damaged in this case?
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A 14-year-old patient presents with disturbed twilight vision. What vitamin is deficient in the body of this patient?
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In tuberculosis prevention large role is played by planned mass vaccination of newborn babies. This vaccination is administered at 5-7 days of life. What vaccine is used for this immunization?
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Cells of basal layer of epidermis were damaged due to exposure to radiation. what function of epidermis will be Impaired or inhibited first?
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A patient has a history of chronic heart failure. Which of the following hemodynamic parameters is a major symptom of cardiac decompensation development?
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Examination of the femur detected suppurative inflammation of compact bone substance and bone marrow with formation of sequestra. What disease causes such changes?
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A 26-year-old man presents with anemia against the background of chronic gastritis with intrinsic Castle factor deficiency. What type of anemia is characteristic of such cases?
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A woman with allergic dermatitis has been taking an antiallergic drug for a week. As the result of taking this drug, she developed marked somnolence. Name this drug:
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A 40-year-old man has returned home after his voyages along the coast of West Africa that lasted for many months. 15 days later he developed weakness, headache, elevated temperature, and fever. He was diagnosed with malaria. What laboratory methods of analysis can confirm this diagnosis?
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A patient with essential hypertension presents with significant increase in left ventricular myocardial mass. It is likely to be caused by:
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In an experiment, the vague nerve was severed in a test animal. As the result, the animal developed elevated blood glucose due to:
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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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Before the surgery for realignment of the fractured bone of the upper jaw the patient received neuroleptanalgesia, Neuroleptic droperidol was administered along with analgesic fentanyl. What type of drug interaction was used?
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A 28-year-old patient complains of frequent gingival hemorrhages. Blood test revealed the clotting factor II (prothrombin) deficiency. What phase of blood coagulation is impaired in this patient?
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During a regular check - up with the dentist, a patient diagnosed with chronic gingivitis presents with no inflammatory changes in the gingival mucosa. This condition of the patient can be characterized as:
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Autopsy of a 2-year-old child, who died of meningitis, shows absence of thymus and T-dependent areas in the peripheral lymphoid tissue. What immunodeficiency syndrome can be characterized by these changes?
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Examination of a sick child detected partial absence of lingual papillae on the lateral surface of the tongue. What papillae are affected?
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Degenerative changes resulted in formation of mineralized foci in the tongue pulp. Some of these foci contain canaliculi. Name these formations:
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Examination of a 15-year-old patient shows that after a maxillofacial trauma he is unable to move his lower jaw downward. This pathology is likely to be caused by a damaged muscle. What muscle is damaged?
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Blood test for diabetes mellitus shows lactic acid levels of 25 mmol / l. What complication is it?
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