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KROK 1 Medicine 2020 Questions | KROKEXAM
Browse 2020 KROK 1 Medicine exam questions with answers and explanations.
Exam questions
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After administration of antitetanus serum the patient developed anaphylactic shock. What cells produce mediators in classic anaphylactic reaction?
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A patient is diagnosed lipidosis (Gaucher's with glucocerebroside discase) that manifests as splenomegaly, liver enlargement, affected bone tissue and neuropathies. What enzyme of complex lipid catabolism is deficient, causing this disease?
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Mucous tunic of the human body often produce an enzyme that causes lysis of bacteria. The enzyme is present in tears,salive and gastrointestinal mucus. Name this enzyme;
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A 36-year-old man went mountain climbing on his vacation. At the altitude of over 2000 meters above the sea level he developed increascd respiratory rate, tachycardia, and slight dizziness. Two days later the signs returned to normal. This process is called:
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For a short surgical procedure, the patient was given droperidol and fentanyl. What effect results in a loss of pain sensitivity if they are taken together?
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A 30-year-old man complaints of abdominal pain and diarrhea the persist for 5 days already chills, and fever of 37.5°C. The day before, he was in a forest, where he was drinking from an open body of water . Bacteriology confirmed the diagnosis of amebic dysentery. What is the drug of choice for the treatment of the condition?
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A 40-year-old woman on examination presents with intensified basal metabolic rate. What hormone present in excess leads to such a condition?
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During a surgery on the thoracic spine, the surgeon severed the ligaments that connect the vertebral arches. What ligaments were severed by the surgeon?
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Examination revecaled that patient has problem with seeing color green, What cells are absent in the patient's retinas Causing the vision impairment?
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Examination detected disturbed circulation the patient's pancreas. What artery is likely to be damaged in this case?
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ECG of the patient shows increased duration of the QRS complex. What is the most likely cause?
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On the day before giving birth a women had ESR of 40mm/hour. This value of ESR is caused by high blood level of:
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During haymaking time, one of the workers developed high body temperature, chills, and runny nose and cyes. He says that it happens to him every year during this season. What type of allergic response is it according to Gell and Coombs?
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When administered into the human body, dicoumarol causes acute drop in blood levels of prothrombin and other blood coagulation proteins. Dicoumarol is an antivitamin of
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A young woman, a foreign student From Tehran, has made an appointment With the urologist. She complains of the sensation of heaviness in her lower abdomen and a small amount of blood being excreted with urine at the end of each urination. Microscopy of urine detects the presence of parasite eggs, approximately 140x70 micron in size, with a terminal spike. What diagnosis can be made by the infectious diseases specialist?
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A person with carbon monoxide (CO) poisoning developed headache, shortness of breath, and dizziness. These signs are caused by a drop in blood levels of a certain compound Name this compound
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A patient complains of pain in the upper umbilical region. On palpation there is a mobile painful intestine. What intestine is being palpated by the doctor?
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A patient with myocardial infarction has acute heart failure. Among the drugs that increase the force of heart contractions the least dangerous drug in this case will be:
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Allergologist examined a patient and diagnosed with him pollinosis. What technique can be used for allergen specific desensitization?
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A woman with menstrual disorders that include prolonged bleeding presents with hypochromia, low reticulocyte count, microcytosis, and hyposideremia. What pathogenetic group of anemia is it?
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During blood transfusion, it is recommcnded to transfer only the blood of the corresponding group. In ABO system the blood group is dotermincd by
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A patient has a chromosomal disorder - Klinefelter syndrome - with the total number of chromosomes being 47 (karyotype XXY). The patient's somatic cells contain sex chromatin in the amount equal to X chromosome number minus 1 In somatic cells, sex chromatin is called:
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In chromosomal disorders, to study the karyotype, the cell culture during mitosis is processed with colchicine. This substance blocks contractions of the fibers that form mitotic spindle. at what stage will the mitosis be interrupted?
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A patient suffers from ischemic heart disease that disturbs energy supply to the myocardium. What process is the main source of energy for the myocardium?
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Ingestion of 100 mL of 25% magnesium sulfate solution (saturated) results in profuse liquid stool. Why does it occur?
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The infectious disease department received a patient with acute respiratory viral disease and body temperature of 39.5°c. What antipyretic drug should be prescribed in this case ?
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Xrays shows a shadow in the right maxillary sinus,which indicates an accumulation of pus.Into what nasal meatus will this pathological fluid be discharged?
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A 5-year-old child was brought to an admission room The doctor determined the following signs severe motor excitation, delirium, and hoarse voice, dilated pupils unresponsive to the light, hot and dry hyperemic skin, tachycardia, and tachypnea. These signs developed after the child had eaten belladonna berries. What pharmacological group of drugs should be prescribed in this case?
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After a stroke that occurred one week ago, a 64-year-old woman has lost the mobility of her left arm and leg. The affected limbs have pathological reflexes and increased muscle tone and reflex responses. What type of paralysis is it?
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When examining a paticent, Beurologist determined he absece of he knee-jerk reflex that normally occurs, when patellar tndon is being struck with rellex hammer What nerve is likely to he damagcd in this case ?
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After chronic pneumonia a patient developed pulmonary fibrosis. What indicator of pulmonary ventilation will be the most affected in this case?
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Transketolase enables oxidative phase pathway lt results in the accumulation of NADPH and ribose 5-phosphate whichare directly used in the synthesis of:
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Numerous effects of the growth hormone occur due to certain proteins that form in the liver in response to the action of somatotropin. Name these proteins:
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The main part of anaerobic infections treatment is timely administration of a serum with specific antibodies. What is being neutralized by the serum in this case?
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From the feces of a patient with acute gastroenteritis a pure culture of microorganisms was obtained. The microorganisms are small mobile slightly curved gram-negative bacilli that within 6 hours grow into a light blue film the 1% alkaline Such properties are characteristic of the following microorganisms:
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After a craniocerebral trauma, the patient has lost the ability to read and understand written text (alexia). Name the location of the corresponding center in the cerebral cortex.
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A 2-year-old child present with marked delayed in the psychomotor development, vision and hearing deterioration, marked enlargement of liver and spleen. The child is diagnosed with hereditary Niemann pick disease. What genetic defect is the cause of this disease ?
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An oncology patient is to undergo a surgery on the descending colon. Name the main source of the blood supply to this organ:
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It is a known fact that in the human body the biosynthesis of purine nucleotides occurs de novo from amino acids, Name the amino acids that are used in the synthesis of the purine nucleotide cycle:
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A woman, who takes an indirect anticoagulant, developed intestinal bleeding. What antagonist drug should she be prescribed?
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