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KROK 1 Dentistry 2019 Questions | KROKEXAM
Browse 2019 KROK 1 Dentistry exam questions with answers and explanations.
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A 3 years old girl has rubella. Her 10 years old sister was not infected, despite both girls constantly remaining in contact. The pediatrician determined that the elder girl had rubella 5 years ago. What type of immunity does the elder sister have?
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A 25-year-old young man complains of general weekness,rapid fatiguability,irritability,reduced working ability and bleeding gums. What vitamin deficiency is the most likely cause of this condition?
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A 6-year-old girl exhibits marked sign of hemolytic anemia biochemical analysis her erythrocytes shows deficiency of glucose 6- phosphate dehydrogenase enzyme what metabolic process is disturbed in this patient and has leading role in the development of this pathology .
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A 70-year-old patient is brought to the emergency department by his son because of blurry vision and dysarthria. His son says "Father is always thirsty and has difficulty with urination". Examination revealed dry skin, cutaneous vasodilation, non-reactive mydriasis and hyperthermia. Drug overdose is suspected. Which of the following drugs is most likely cause of this patient's toxicity?
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A man complaining of nausea, liquid stool with mucus and blood streaks, high temperature and weakness was hospitalized into the infectious diseases department. What method of laboratory diagnostics would be the most effective for confirmation of this diagnosis?
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Examination of a patient with disturbed process of saliva production in the parotid gland shows that the otic ganglion is formed by the following nerve:
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Oral examination revealed dark yellow and brown spots and strips on the labial and lingual surfaces of the patient’s teeth; more than the half of the dental surface is affected; enamel and dentin are Destroyed. What diagnosis is the most likely?
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Autopsy of a man, who died suddenly with signs if acutely disturbed cerebral circulation, revealed aneurysm rupture of the medial cerebral artery and a round cavity 4 cm in diameter filled with blood in his frontal lobe. Name this type of hemorrhage
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All the teeth in the mouth together are reffered to as the dentition.humans have two dentitions throughout lifr;one during childhppd,called the permanent (secondary)sentition.the first permanent molar usually begin their eruptin by/at:
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Glucose synthesis from non-carbohydrate components is an important biochemical process. Gluconeogenesis from amino acids occurs most actively if a diet is rich in proteins. Which amino acid of those listened below is the most glucogenic?
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During identification of pure culture of microorganisms the most important part is a serological identification that is conducted by means of agglutination reaction. What componenls are necessary to conduct this reaction?
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Various substances can be used as anticoagulants. Among them there is a certain naturally derived polysaccharide. Name this polysaccharide:
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In order to accurately identify etiology of peptic ulcer disease,polymerase chain reaction (PCR)analysis was performed on gastric biopsy specimen taken from 47-year-old patient ,eventually the test result was positive for H. pylori which of the following was mostly likely detected in PCR analysis?
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During laboratory diagnosis of hepatitis C ,its necessary to detect the presence of antibodies to hepatitis C virus in the patients blood serum.what test should be conducted in this case?
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During appointment with the dentist patients often develop anxiety, fear, and depression. These psychoemotional changes occurs due to increased secretion of a certain mediator in the central nervous system. Name the mediator.
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The dentist should inject a local anesthetic to reduce pain sensation in the maxillary molars and adjacent facial soft tissue and gingiva. He inserts the needle through oral mucosa at the height of the maxillary vestibular fornix just posterior to the maxillary tuberosity.The needle is directed medially and superiorly toward the alveolar canals.Which of the following nerves is most likely to be blocked?
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A child presents with hepatomegaly, hypoglycemia and convulsions that occurs predominantly during fasting or in stress-inducing situations. The child is diagnosed with von gierke disease . What enzyme is affected by the genetic defect that is the cause of this disease?
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A 25-year-old woman is admitted to the hospital because of a 6-week history of double vision and difficulty to talk after prolonged speaking. Her husband reports fluctuating droopy eyelids in the morning and evening. An immunogenic assay detects the presence of circulating auto andibodies against the certain receptors at the neuromuscular junction. Affected binding of which of the neurotransmitters is the most likely cause of the patient's symptoms?
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A 42 years olf female comes to the physician 2 days after the sudden onset of pain and swelling of her right knee.she has had no injury.examination of the right knee shows warmth, erythema, and effusions, laboratory studies show an increase in the concentration of acute phase reactants which of the following is the most appropriate pharmacotherapy for this patient?
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The patient exhausted by starvation presents with intensification of the following process in the liver and kidneys:
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An experimental animal, a dog received a weak solution of hydrochloric acid through a tube inserted into the duodenum. Primarily will result in increased secretion of the following hormone.
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Microscopy of a sputum sample obtained from a patient who has been suffering from pneumonia for a week detected helminth larvae, Eosinopilia is observed in the patient's blood. What diagnosis can be suspected in this case?
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A tourist, who had been to one of the far east countries, was hospitalized into the therapeutics Unit with suspected pneumonia. Examination of his sputum and feces detected there lung flukes Eggs. What food products are the most likely cause of lung fluke infestation?
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A 2year old women presents with skin rashes and itching after eating citrus fruits. Prescribe her a drug that is an H1 histamine receptor antagonist
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A student uses percussion to determine the cardiac border that projects on the anterior thoracic wall at the level of the third costal cartilage. What cardiac border is being determined?
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After a total gastric resection the patient developed severe B12-deficient anemia with disturbed hematopoiesis. Changed erythrocytes appeared in the patient’s blood. One of the signs of this anemia is the presence of the following in blood:
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After facial trauma the patient developed a buccal hematoma. What salivatory gland has its outflow blocked by the hematoma?
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Persistent and heavy proteinuria (albuminuria) associated with nephrotic syndrome leads to hypoalbuminemia, which changes plasma pressure resulting in severe generalized edema.According to the description which of the following circumstances tends to cause nephrotic edema ?
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A 36-year-old man travelled to the mountains for a vacation(altitude of 2000 meters above the sea level). He developed increased respiration rate, tachycardia and slight dizziness. Two days later these signs disappeared. This process is called :
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A 23-year-old man developed a perforation in the hard palate, a dense formation with clear margins was detected in this area. After a surgery, microscopy of the excised formation shows there a large focus of caseous necrosis surrounded with a granulation tissue with endovasculitis and a cellular infiltration consisting of lymphocytes and epithelioid cells with predominance of plasma cells. What is the most likely disease in this case?
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A patient with leber’s hereditary optic neuropathy comes for genetic counseiling. After the family history taking the genetic counselor constructs pedigree which dislays a distinct mode of inheritance his disease is transmitted only from affected females to their offspiring both males and females are affected. None of the offspring of an affected male is affected, which of the following modes of inheritance is identified by the counselor?
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A patient with peptic ulcer disease of the stomach is prescribed a drug the blocks histamine H2 receptors. Select this drug from the list:
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Curariform drugs are drugs used to immobilize the patient during a surgery. Their mechanism of action is based on the blockade of:
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During their expedition to the middle east, the students formed a 7 centimeter long arthropod.Its body consists of cephalothorax with 4 pairs of ambulatory legs and segmented abdomen with two venom glands in the last segment. The gland openings are located on the tip of the hook shaped sting. The animal was identified as a nocturnal predator. Its venom is dangerous for humans.It belongs to the following order.
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A trauma patient has a wound in the temporal region, with trickle of bright red blood streaming from it. What blood vessel is damaged?
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In the patient’s blood there is a c-reactive protein that chemically can be classified as a glycoprotein. It indicates the following pathology:
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A bacteriological laboratory conducts the analysis of potable water quality. Microbial number of the water sample is approximately 100. What microorganisms were accounted for in the case?
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A patient with signs of anxiety, fear, uncertainty and mental strain was prescribed diazepam. What mechanism of tranquilizing action can be observed in this case?
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During autopsy of the patient, who died of cardiovascular failure, the patients right foot is darkly colored. The vessels of the patients thigh are partially obstructed by grayish red clots . On the vessels walls plaques. What of which are of stony density. What clinicopathological type of atherosclerosis was complicated in the patient?
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A 28-year-old female patient dies of progressive respiratory failure after she was diagnosed with comminuted fracture of the right hip. Prior to her death she developed severe hypoxia neurology abnormality and peticheal rash. At autopsy, examination of pulmonary microvasculature shows intraluminal Orange Sudanophilic droplets. which of the following complications is the most likely cause of this patients dead?
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