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Cyclic adenosine monophosphate ⇐ ПредыдущаяСтр 4 из 4
cGMP Diacylglycerol AMP Ca2+ ions 164. A child has an acute renal failur e. What biochemical factor found in saliva can confirm this diagnosis? Increase in concentration of higher fatty acids Decrease in nucleic acid concentration Increase in glucose concentration Decrease in glucose concentration Increase in urea concentration 165. A patient with a serious trauma of his upper extremity has an impaired regeneration of cartilaginous tissue as a result of a damage done to poorly differentiated cells of cartilage lineag e. What cells has been damaged? The cells coming from the blood vessels The cells of the young cartilage The cells of the internal perichondrium The cells of the external perichondrium The cells constituting isogenic groups 166. A patient sufferinf from glomerulonephritis was found to have anasarca, AP of 185/105 mm Hg, anaemia, leukocytosis, hyperazotemia, hypoproteinemi a. What factor indicates that glomerulonephritis has been complicated by the nephrotic syndrome? Anaemia Arterial hypertension Hypoproteinemia Hyperazotemia Leukocytosis 167. Examination of a bronchial tissue sample revealed atrophy of mucous membrane, cystic degeneration of glands, focal metaplastic changes of lining prismatic epithelial cells into multilayer squamous cells; increase in goblet cell number; in some parts of bronchial wall and especially in the mucous membrane there was marked cellular inflammatory infiltration and growth of granulation tissue bulging into the bronchial lumen in form of a polyp. What is the most likely diagnosis? Acute bronchitis Bronchopneumonia Chronic bronchitis Lobar pneumonia Interstitial pneumonia 168. A married couple complains of inability to have children. Examination revealed that the husband had his spermatogenetic epithelium of a testicle damaged, which caused absence of spermatozoons in his sperm and infertility as a result. Which part of testicle was damaged? Network of testis Epididymis ducts Straight seminiferois tubules Convoluted seminiferois tubules Efferent ducts 169. A patient underwent the extraction of his isuperior medial incisor. It is supplied with blood by the branches of the following artery: A.palatina descendens A.infraorbitalis A.alveolaris inferior A.buccalis A.sphenopalatina 170. A cell with vitamin E deficit had been affected by ionizing radiation. This induced an intensified release of hydrolytic enzymes into the cytoplasm and thus a complete destruction of intracellular structures - autolysis. What organellas caused this phenomenon? Golgi complex Mitochondrions Endoplasmic reticulum Microbodies Lysosomes 171. Cystinuria in humans shows itself in form of cystine stones in kidneys (homozygotes) or else an increased rate of cystine in urine (heterozygotes). Cystinuria is a monogenic diseas e. Specify the type of interaction between cystinuria genes and normal rate of cystine in urine: Codomination Complete dominance Complementarity Epistasis Semidominance 172. A 40-year-old male patient had a tumour-like formation 8x7 cm large on his neck. A surgeon removed it only partially because of close connection with large vessels. Microscopical examination revealed marked cellular and tissue atypism, lipoblast-type cells in different stages of maturity, with polymorphism and nuclear hyperchromia, pathological mitoses, necrosis foci. Specify the histological form of the tumour: Hibernoma Liposarcoma Lipoma Fibroma Fibrosarcoma 173. 10 years ago a patient underwent extraction of his right kidney on account of a tumour. After that the volume of his left tumour grew by 50%. What process was developed in the kidney? Functional hypertrophy Vicarious hypertrophy Hypertrophic enlargement Neurohumoral hypertrophy Pseudohypertrophy 174. A cell has been treated with a substance that blocks nucleotide phosphorilation in the mitochondrions. What process of cell activity will be disturbed in the first place?
ATP resynthesis Fragmentation of big mitochondrions into lesser ones Oxidative phosphorilation Integration of functional protein molecules Synthesis of mitochondrial proteins 175.A viral process caused a considerable sclerosis of parenchyma of submandibular salivary glands as well as reduced production of biologically active hormonal substances. This resulted in the impairment of oral mucosa regeneration. The reason for it is an insufficient concentration of the following saliva component: Thymocyte-transforming factor Lysozyme Insulin-like growth factor Epithelial growth factor Parotin 176. Obliterating atherosclerosis causes changes in the vessels of the lower extermities. A histological specimen of such a vessel evidently presents both internal and external elastic membranes, middle membrane contains a lot of myocytes. What vessel is affected in case of this disease? Lymph node Artery of mixed type Artery of elastic type Artery of muscular type Vein with strongly developed muscles 177. A nurse accidentally injected a nearly double dose of insulin to a patient with diabetes mellitus. The patient lapsed into a hypoglycemic com a. What drug should be injected in order to help him out of coma? Glucose Insulin Lidase Somatotropin Noradrenaline 178. A boy has fallen down from a tre e. Now he finds it difficult to abduct his arm into horizontal position. Which muscle is most likely to be injured? M.deltoideus M.triceps brachii M.anconeus M.coracobrachialis M.supinator 179. An electronic microphotography shows a renal corpuscle with dendritic cells between the capillaries of choroid glomus. Their cytoplasm contains a large number of filaments. Specify these cells: Fibroblasts Adventitional Juxtavascular Juxtaglomerular Mesangial 180. A 12-year-old child presents with intolerance to some foodstuffs. Their consumption causes an allergic reaction in form of itching skin eruption. What antihistaminic drug should be administered that wont have any negative impact on the childs school studies (with no sleepiness effect)? Sodium diclofenac Loratadine Dimedrol Aminophylline Mesatonum 181. A man with a long-term history of bronchial asthma died from asphyxi a. Histological examination of his lungs revealed that the lumens of bronchioles and minor bronchi contained a lot of mucus with some eosinophils. There was also sclerosis of interalveolar septa, dilatation of alveole lumens. What mechanism accounts for the development of hypersensitivity reaction? Granulomatosis Lymphocyte-mediated cytolysis Cytotoxic reaction Reagine reaction Immune complex reaction 182. A mother consulted a pediatrician about small white filiform worms about 1 cm long with pointed ends that she found on her childs underwear. According to the mother, the child sleeps badly, grits his teeth, scrathes the area of anus. Specify the helminth type: Pinworm Armed tapeworm Trichuris Hookworm Ascarid 183. A patient under test was subjected to a moderate physical stress. His minute blood volume amounted 10 l/min. What blood volume was pumped through his lung vessels every minute? L/min 4 l/min 5 l/min 6 l/min 7 l/min 184. After severe viral hepatitis a 4-year-old boy presents with vommiting, occasional loss of consciousness, convulsions. Blood test revealed hyperammoniemi a. Such condition is caused by a disorder of the following biochemical hepatic process: Protein synthesis inhibition Activation of amino acid decarboxylation Disorder of biogenic amines neutralization
Disorder of ammonia neutralization Inhibition of transamination enzymes 185. An embryo had its external layer of dental saccule experimentally destroye d. What dental structure wont have any further development? Enamel Periodontium Cement Dentin Pulp 186. An inflammation is characterized by the dilatation of blood capillaries in the region of injury, reduced circulation, increased permeability of vessel walls. What cells play the main part in the development of these changes? Plasmocytes Macrophages Eosinophils Tissue basophils Fibroblasts 187. On the 2-3 day after stomach resection a patient is still experiencing a failure of intestinal peristalsis. In order to stimulate the motility of gastrointestinal tract the following drug should be administered: Atropine sulphate Noradrenaline hydrotartrate Proserin Prazosin Cyclodolum 188. A 65-year-old patient with chronic heart failure has been taking digitoxin in self-administered dosages for a long tim e. She was admitted to the hospital for general health aggravation, arrhythmia, nausea, reduced diuresis, insomni a. What is the primary action to be taken? To administer strophanthine intravenously To withhold digitoxin To administer digoxin To give an intravenous injection of calcium gluconate solution To reduce digitoxin dosage 189. Elderly people often complain of joint pain that can be associated with age-related changes of tissue covering the joint surfac e. What tissue is it? Elastic cartilage Epithelial Bone tissue Connective tissue proper Hyaline cartilage 190. There is a strict time limit for people to stay at a height of 8000 m above sea level without oxigen cyllinders. Specify the life-limiting factor in this case: Humidity rate
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