HomeKROK Question Archive
KROK Question Archive
KROK 1 Dentistry 2007 Questions | KROKEXAM
Browse 2007 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
200 Questions121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160
It is known that the information about amino acids sequence in a protein molecule is coded in form of a sequence of four nucleotide types in a DNA molecule, different aminoacids being coded with different quantity of triplets - from one to six. How is such peculiarity of genetic code called?
View question and answer
A woman in grave condition was admitted to a hospital with the diagnosis of the hemorrhagic stroke in the region of frontal part of the right cerebral hemisphere. The damage of what artery most likely caused this condition?
View question and answer
Implantation process has two stages: adhesion and invasion. Morphological manifestation of blastocyte adhesion is:
View question and answer
A patient has increased permeability of blood-vessel walls, increased gingival hemorrhage, small punctate hematomas on his skin, falling of teeth. What disturbance of vitamun metabolism can account for these symptoms?
View question and answer
A woman after labor lost 20 kg of body weight, her hair and teeth fall out, she has muscle atrophy (hypophysial cachexia). Synthesis of what hypophysis hormone is disturbed?
View question and answer
Histological examination of thyroid gland of a man who died from cardiac insufficiency accompanied by hypothyroidism revealed diffuse infiltration of the gland by lymphocytes and plasmocytes with formation of lymphoid follicles, as well as atrophy of parenchyma and growth of connective tissue. What is the most probable diagnosis?
View question and answer
A patient with clinical presentations of primary immunodeficiency displays disturbance of antigen-presenting function by immunocompetent cells. What cells may have structure defect?
View question and answer
A patient with myocardium infarction was prescribed an analgetic in order to stop pain syndrome. The patient felt better but overdose caused weakness, myosis, respiratory depression. What medication was prescribed?
View question and answer
There is a 9-year-old boy in endocrinological department, who has already had a few fractures of extremeties caused by fragility of bones. Malfunction of what endocrinous glands (gland) takes place?
View question and answer
A 17-year-old student pressed out a pustule in the medial angle of eye. In 2 days she was taken to the institute of neurosurgery with thrombosis of cavernous sinus. Through what vein did the infection get into this sinus?
View question and answer
While a 24-year-old woman was waiting for tooth extraction, tonus of sympathetic part of autonomic nervous system rose. What reaction will the patient display?
View question and answer
A patient with diabetes mellitus had an insuline injection. It caused loss of consciousness and convulsions. What was the result of biochemic blood analysis on glucose content?
View question and answer
Poisoning with mercuric dichloride caused acute renal insufficiency that included 4 stages: 1) the initial one, 2) the stage of oligoanuria, 4) the stage of recovery. What is the third stage of acute renal insufficiency?
View question and answer
Post-mortem examination of a 5-year-old boy who died from acute pulmonary and cardiac insufficiency revealed the following: serohemorrhagic tracheobronchitis with some necrotic areas of mucous membrane, multiple foci of hemorrhagic pneumonia in lungs. What disease is in question?
View question and answer
A doctor examined a patient with recurrent aphthous stomatitis with concominant candidosis and decided to eliminate a possibility of HIV-infection. What examination can help to clear the situation up and make a provisional diagnosis?
View question and answer
A patient complains of painful cracks in mouth angles. What sulfanilamide can be recommended for local treatment of angular stomatitis?
View question and answer
To approach the thyroid gland from the transverse (collar) approach the suprasternal fascial space must be opened. What anatomical formation located in this space is dangerous to damage?
View question and answer
A 35-year-old patient came to the admission department with complaints of pain and edema in the region of floor of oral cavity. After examination he was diagnosed with inflammation in the region of excretory duct of submandibular gland. Where does this duct open into?
View question and answer
If a mountain-climber stays in the mountains for a long time, quantity of erythrocytes increases from 5,0 × l012/l to 6,0 × 1012/l. What causes stimulation of erythropoesis?
View question and answer
Examination of a 6 days old infant revealed phenyl pyruvate and phenyl acetate excess in his urine. What ami-noacid metabolism is disturbed in the child's organism?
View question and answer
A patient with pneumosclerosis has pulmonary hypertension and cardiac insuffisiency of right ventricle with ascites and edemata. What is the main pathogenetic mechanism of edemata development?
View question and answer
Macroscopic examination of lung tissue revealed some areas of excessive airiness with small bubbles, histological examination registered thinning and rupture of alveolar septa and formation of big multiform cavities. What disease was revealed in the lung?
View question and answer
On the territory of a certain region the mass death of rodents was observed. It was assumed that it may be caused by plague agent. What serological reaction should be applied for quick determination of antigene of this epizootic agent?
View question and answer
What antihelmintic medication is used for stimulation of immune system in case of chronic generalized periodontitis?
View question and answer
A 24-year-old patient consulted a doctor about pain below the lower jaw to the right of it. Dental surgeon found a stone in the submandibular gland. While removing it he prevented bleeding from the following artery:
View question and answer
Examination of a patient who was exposed to the ionizing radiation revealed damage of wight pulp. What cells of white pulp undergo pathological changes?
View question and answer
An experimentator wants a dog to develop conditioned salivary reflex. What conditioned stimulus will be appropriate to use?
View question and answer
A patient who is ill with scurvy displays disturbed processes of connective tissue formation that leads to loosening and falling of teeth. Disturbed activity of what enzyme causes these symptomps?
View question and answer
A year after subtotal stomach resection on account of ulcer of lesser curvature the following blood changes were revealed: anemia, leukocytopenia and thrombocytopenia, color index -1,3, megaloblasts and megalocytes. What factor deficiency caused the development of thos pathology?
View question and answer
Examination of coronary arteries revealed atherosclerotic plaques with calcification that close tle lumen by 1/3. The muscle contains multiple small whitish layers of connective tissue. What process was revealed in myocardium?
View question and answer
A 10-year-old child was subjected to Mantoux test (with tuberculine). 48 hours later a papule up to 8 mm in diameter appeared on the site of tuberculine injection. What type of hyperesponsiveness reaction has developed after tuberculine injection?
View question and answer
A patient has acute cardiac insufficiency resulting from essential hypertension. What medication will be the most appropriate in this case?
View question and answer
A 28-year-old man with cut wound of frontal skin was admitted to the hospital. A vessel that supplies blood to the frontal part of head was ligated in order to stop bleeding. What vessel was ligated?
View question and answer
A patient had a trauma that led to the injury of front spinal roots. Denote the damaged structures:
View question and answer
A man has trauma of greater pectoral muscle. What index' decrease will it cause?
View question and answer
A patient who suffers from chronic renal insufficiency fell ill with osteoporosis. Disturbed synthesis of what mineral metabolism's regulator is the cause of osteoporosis?
View question and answer
A 45-year-old patient was taken to the hospital by an emergency team with serious cranial trauma in shock condition. Objectively: unconscious, skin is pale, body t- 35,0°C, low muscular tonus, reflexes are absent, pulse is rapid and weak, AP- 50/30 mm Hg. What clinical shock stage is it?
View question and answer
Microscopic analysis of tissue sampling from patient's skin reveals granulomas that consist of epithelioid cells surrounded mostly by T-lymphocytes. Among epithelioid cells there are solitary giant multinuclear cells of Pirogov-Langhans type. In the centre of some granulomas there are areas of caseous necrosis. Blood vessels are absent. What disease are the described granulomas typical for?
View question and answer
During many infectious diseases patient's blood may contain antigenes of pathogens. What reaction should be applied provided that antigenemia is at a low level?
View question and answer
A patient was operated on account of abdominal injury with application of tubocurarin. At the end of operation, after the respiration had been restored, the patient got injection of gentamicin. It caused a sudden respiratory standstill and relaxation of skeletal muscles. What effect underlies this phenomenon?
View question and answer