HomeKROK Question Archive
KROK Question Archive
KROK 1 Dentistry 2014 Questions | KROKEXAM
Browse 2014 KROK 1 Dentistry exam questions with answers and explanations.
Exam questions
200 Questions121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160
A 33-year-old patient complains of an impairment of skin sensitivity in the medial part of the dorsal and palmar surface of hand. Which nerve is damaged?
View question and answer
A 46-year-old patient with diabetes had been admitted to a hospital in grave precomatose condition. Study of the acid-base balance revealed metabolic acidosis. What is the primary mechanism that underlies the revealed changes of the acid-base balance?
View question and answer
A 36-year-old patient with diabetes mellitus had seizures with loss of consciousness after an insulin injection. What was the result of blood glucose test?
View question and answer
Examination of a patient revealed glycosuria and hyperglycemia. He complains of dry mouth, itchy skin, frequent urination, thirst. He has been diagnosed with diabetes mellitus. What is the cause of polyuria in this patient?
View question and answer
Orthodontic treatment of a child proved to be ineffective due to the chronic mouth breathing since the nasal breathing is impaired. This is caused by the hypertrophy of the following tonsils:
View question and answer
In a hot weather, the microclimate in hot rooms is often normalized by fans. At the same time heat radiation from the human body increases through:
View question and answer
A 12-year-old girl has a bleeding ulcer 5 mm in diameter which is localized on the mouth floor. The ulcer is surrounded by bright-red tissue that turns white when pressed. Microscopic examination of a biopsy sample reveals a tumor constituted by a number of large cavities filled with blood. The cavities are lined with endothelial cells. Between the cavities there is stroma represented by the loose connective tissue. What is the most likely diagnosis?
View question and answer
ECG of a 46-year-old patient shows an increase in the QRS duration. This might be caused by:
View question and answer
A 2-year-old child has congenital spastic contraction of muscles on one side of neck, that is torticollis. What muscle is affected?
View question and answer
A 44-year-old patient with obstructive jaundice has been admitted to a hospital with the symptoms of cholemic syndrome. On the ECG arrhythmia shows up. What kind of arrhythmia is the patient most likely to have?
View question and answer
Following thyroid surgery, a 47-year-old female patient had fibrillary twitching of muscles in the arms, legs and face. These disorders can be treated by the introduction of the following hormone:
View question and answer
A histological specimen represents the parenchyma composed of lymphoid tissue which forms the diffusely arranged lymph nodules with a central artery. What anatomic formation has the given morphological structure?
View question and answer
A 34-year-old patient has a history of periodontitis. As a result of increased collagen degradation, there is a significantly increased urinary excretion of one of the amino acids. Which one?
View question and answer
After arriving in the polar region, researchers from Australia have complained of nervous disorders, loss of appetite, aggravation of chronic diseases for 6 months. What process has been disrupted in extreme conditions?
View question and answer
For the treatment of periostitis a 35-year-old patient should be administered an antibiotic with a high ability to penetrate into the bone tissue. Specify this drug:
View question and answer
A 36-year-old patient has gastric ulcer (with increased acidity). Which of the listed below drugs will reduce the secretion of hydrochloric acid with a minimum of side effects?
View question and answer
The emergency department admitted a 48-year-old male with a blunt abdominal injury on the right and a suspected rupture of liver. Which of these peritoneal structures can be expected to include blood accumulations?
View question and answer
A 28-year-old liquidator of Chernobyl disaster consulted a doctor about marked weakness, skin hemorrhages, diarrhea. Blood test results: ESR - 25 mm/h, RBC- 2,4 × 1012/l, WBC - 2,2 × 109/l, platelets -70 × 109/l. What stage of acute radiation sickness are these presentations typical for?
View question and answer
A 43-year-old patient is to be administered an antibiotic from the peni- cillin group which would be resistant to penicillinase. What drug can be recommended?
View question and answer
Ultrasonography of a pregnant revealed no abnormalities in the cardiovascular system of the fetus, the ductus arteriosus had a normal function. What vessels does it connect?
View question and answer
A 34-year-old injured is unable to nod his head (impaired flexion and extension of head). This is caused by the dysfunction of the following joint:
View question and answer
A female who had been continuously taking antibiotics for an intestinal infection developed a complication manifested by inflammation of the oral mucosa and white deposit. Bacteriological study of the deposit samples revealed yeast fungi Candida albicans. Which of the following medications is indicated for the treatment of this complication?
View question and answer
A patient with a severe maxillofacial trauma has been delivered to the emergency department. What drug should be given this patient to relieve pain shock?
View question and answer
A histological specimen represents an organ whose wall consists of the mucosa, submucosa, fibrocartilage and adventitious cartilage. The organ is lined by pseudostratified ciliary epithelium, the muscular layer of the mucosa is absent, the submucosa contains seromucous glands. Hyaline cartilage C-rings are present. What organ has the described morphological characteristics?
View question and answer
A histological specimen represents a structure of the oral cavity, which is formed by bone tissue. It is covered by mucous membrane consisting of keratinizing stratified squamous epithelium. The structure has fatty, glandular and marginal zone. In all parts of the lamina propria the collagen fibers form thick bundles that penetrate deep into the periosteum. What kind of structure is it?
View question and answer
In a 52-year-old patient with chronic glomerulonephritis, the glomerular filtration rate (GFR) was reduced by 20% compared to normal. What causes the decrease in GFR in patients with chronic renal failure?
View question and answer
A 49-year-old patient has psychotic manifestations in form of psychomotor agitation, auditory and visual hallucinations. What drug is indicated in the described case?
View question and answer
As a result of treatment of viral RNA with nitrous acid, UCA triplet mutated to UGA triplet. What kind of mutation occurred?
View question and answer
A 35-year-old patient had a cerebral injury that caused a hemorrhage in the region of the medial surface of the frontal gyrus and cingulate gyrus. What artery supplies blood to the area of the hemorrhage localization?
View question and answer
A histological specimen of submandibular salivary gland represents basket cells from which some processes radiate and embrace the secretory unit. Contraction of the processes of these cells helps in expelling secretions from the lumen of secretory units and moving them to the system of excretory ducts. Name these cells:
View question and answer
After using a toothpaste a 27-year-old patient has developed Quincke's edema. Administer a drug from the group of histamine H1-receptor antagonists for the treatment of this condition:
View question and answer
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?
View question and answer
Study of the histological specimen of a baby's primary tooth revealed hypoplasia (underdevelopment ) of enamel. This abnormality is caused by the disruptions in the activity of the following cells:
View question and answer
A 10-year-old child cut his leg with a piece of glass and was sent to a clinic for an anti-tetanus serum injection. In order to prevent the development of anaphylactic shock, the Besredka desensitization method was applied. What mechanism underlies this method?
View question and answer
A 58-year-old patient with essential hypertension complains about general health deterioration. She has been administered methyldopa. Specify the mechanism of this drug action:
View question and answer
A 46-year-old patient consulted a doctor about pustular rash on the skin of the limbs. What antiseptic should be administered to the patient?
View question and answer
Osteolaterism is characterized by a decrease in collagen strength caused by much less intensive formation of cross-links in the collagen fibrils. This phenomenon is caused by hypoactivity of the following enzyme:
View question and answer
After an infectious disease a 21-year-old patient exhibits the inability to rotate his head in the direction opposite to the affected region. What nerve has been damaged?
View question and answer
A 47-year-old patient with symptoms of severe intoxication and respiratory failure died. A section of lung tissue had a mottled pattern with multiple small focal hemorrhages and foci of emphysema. Histological examination revealed hemorrhagic bronchopneumonia accompanied by abscess; the cytoplasm of bronchial epithelial cells had eosinophil and basophil inclusions. According to the section analysis, make your diagnosis:
View question and answer
A patient with alcohol-induced liver injury has an impairment of biotransformation of xenobiotics and endogenous toxic compounds. These changes are likely to be caused by hypoactivity of the following chromoprotein:
View question and answer