Educational tests online

Topic №7. Faculty Surger - Peritonitis. Peritonitis is inflammation of the peritoneum, the lining of the inner wall of the abdomen and cover of the abdominal organs.

Topic №8. Faculty Surgery - External and internal hernia of the abdomen. When an organ within the abdomen pushes out an opening or weak area in the abdomenal or pelvic wall it is called an external hernia.

Topic №10. Faculty Surgery - Pancreatic and spleen diseases. Pancreas The pancreas is a wing-shaped gland that extends from the duodenum (the upper portion of the small intestine) to the spleen.

Topic №12. Faculty Surgery -  Diseases of the rectum. Digestive Tract: Rectal and Colon Diseases and Conditions. There are many common problems affecting the colon and rectum.

Topic №13. Faculty Surgery -  Diseases of the perineum soft tissue. Infection of the Perineum. Maintaining intact vaginal and perineal tissues is a common goal in midwifery practice.

Topic №11. Faculty Surgery -  Diseases of the small and large intestine. The two most common diseases are ulcerative colitis and Crohn's disease. Crohn's disease can cause inflammation in any part of the digestive tract.

Topic №9. Faculty Surgery -  Diseases of the liver and extrahepatic biliary tract. Although symptoms may differ among bile duct disorders, symptoms common to many of the disorders include: Jaundice (yellowing of the skin and whites of the eyes) Abdominal pain, especially in the upper right side of the abdomen under the rib cage.

Topic №6. Faculty Surgery - Acute intestinal obstruction. Bowel obstruction, also known as intestinal obstruction, is a mechanical or functional obstruction of the intestines which prevents the normal movement of the products of digestion.

Hello! You are welcomed to do the test on the studied material. I hope you have revised the vocabulary (Unit Thirteen on Mechanical Technology and Unit Fourteen on Electricity) and grammar material (The Infinitive, Complex object and Complex subject). If yes, go ahead and good luck!  Sincerely yours,  K.V. 

Assignment for medial and dentistry students 1-2 years Topic:"Соnnective tissue" Histology and Embryology "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years Topic "Muscle tissue" Histology and Embryology "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.  

Checkpoint 1 consists of 3 topics. Purulent diseases of the skin and soft tissues. Diagnostics, differential diagnostics. Methods of conservative and surgical treatment Syndrome of systemic inflammatory response in surgical patients. Pathogenesis, significance for various diseases and injuries. Surgical Local and widespread purulent-inflammatory processes of the abdominal cavity and peritoneum. Etiology, pathogenesis, clinic, diagnostics and treatment.

Topic №2. Acute appendicitis and its complications. Major complications of appendicitis (perforation, abscess formation, peritonitis, bowel obstruction, septic seeding of mesenteric vessels, gangrenous appendicitis) and their management are discussed.

Assignment for medial and dentistry students 1-2 years  Topic "Nervous tissue" Histology and Embryology "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.  

Topic №14. Faculty Surgery -  Atypical forms of acute appendicitis. Other forms of atypical appendicitis include tip appendicitis, stump appendicitis, appendicitis with focal inflammation, and appendicitis without leukocytosis.

Acute cholecystitis is inflammation of the gallbladder that develops over hours, usually because a gallstone obstructs the cystic duct.

Assignment for medial and dentistry students 1-2 years Topic: "Cardiovascular system. Arteries"  Histology and Embryology  

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Hematopoietic and immune defense organs (peripheral)" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Endocrine system.Hypothalamus and hypophysis" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Sensory system Eye" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years Topic:"Cartilage and bone tissue" Histology and Embryology "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Endocrine system" Department of Histology and Embryology Bohomolets National Medical University

This test is for pupils of 9-12 years old. Doing this test you can improve your grammar skills, train past, present, future simple and present continuous. Good Luck!

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Intengumentery system" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic: "Hematopoietic and immune defense organs (Central)" Department of Histology and Embryology Bohomolets National Medical University

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Endocrine system.Hypothalamus and hypophysis" Department of Histology and Embryology Bohomolets National Medical University

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Endocrine system" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Female reproductive system" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Checkpoint 3 consists of 3 topics. Arterial thrombosis and embolism. Classification of acute limb ischemia. Clinical stages of the course. Diagnostics. Differential diagnostics. Surgical treatment methods. Chronic ischemia of the lower extremities. Obliterating atherosclerosis and endarteritis. Classification of chronic ischemia and occlusion levels of the aorta and lower limb arteries. Varicose veins of the lower extremities. Classification. Complication. Diagnostics. Special research methods. Surgical treatment methods. Thrombosis of the main veins. Classification. Clinic. Diagnostics. Differential diagnostics. Methods of conservative and surgical treatment.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Соnnective tissue" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic: "Cardiovascular system.Veins.Heart" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic: "Hematopoietic and immune defense organs (Central)" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Testul pentru evaluarea teoretica a cunostintelor pentru operator in zona "Impregnare"

Тренировка немецких глаголов с предлогами/ Training German verbs with prepositions

Test for controlling knowledge on the topic of cardiovascular system diseases for third-year students of medical university

Checkpoint 2 consists of 10 topics. Abdominal pain syndrome, evaluation of pain syndrome features in differential diagnosis of diseases of the abdominal cavity. The course of acute diseases in pregnant elderly people. Syndrome of an acute abdomen. Diagnosis, differential diagnosis and treatment tactics. Differential diagnosis of acute diseases of the abdominal cavity. Injuries to the abdomen. Symptomatic of damage to the abdominal cavity and retroperitoneal space. Instrumental methods of diagnostics. Treatment-diagnostic tactics. Syndrome of mechanical jaundice. Causes of occurrence. Differential and diagnostic tactics. Modern approaches to treatment. Hepatic insufficiency in surgical diseases, methods of prevention and treatment. Surgical treatment of gastric ulcer and duodenal ulcer. Disease of the operated stomach. Causes, principles of diagnosis and treatment. Bleeding from the digestive tract. Causes of the onset, diagnosis and differential diagnosis, treatment tactics. Damages of parenchymal and hollow organs of the abdominal cavity and retroperitoneal space. Surgical tactics and treatment. Syndromes of pain in the chest, respiratory and heart failure in the diagnosis and differential diagnosis of diseases of the thoracic cavity. Damage to the organs of the chest cavity. Diagnosis program for heart damage. Triad of symptoms of a wounded heart. Clinical, diagnostic, therapeutic, and surgical program for wounds of the heart. Surgical pathology of the lungs and pleura. Principles of diagnosis and treatment. Clinic and diagnosis of pneumothorax, hemothorax and chylothorax. Treatment approaches.

Basic test of programmatic technologies to identify knowledge gaps.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test, except 2 questions. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Florida Trivia Quiz - Questions With Answers - Florida Trivia Quiz

Georgia Trivia Quiz - Questions With Answers - Georgia Trivia Quiz

Testul pentru evaluarea teoretica a cunostintelor pentru operator in zona "Tesere"

Testul pentru evaluarea teoretica a cunostintelor pentru operator in zona. Urzeala

Check how well you have mastered the grammar and new words from lesson 4 by passing this test .

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic "Nervous tissue" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic: "Respiratory system" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

The SMARTool, a free web resource for learners of Russian, was created in 2018 to optimize the acquisition of Russian vocabulary and morphology. The SMARTool consists of up to three most frequent wordforms for a basic vocabulary of Russian 3000 lexemes (nouns, adjectives, and verbs) typically found in the textbooks. This is the SMARTool Exercises - a supplementary resource for the Russian language learners which targets to train the choice of a correct wordform. It includes a set of short texts with gaps and a multiple choice test to fill in those gaps. The texts are based on the data retrieved from the SMARTool and adapted for the A1 proficiency level.

The SMARTool, a free web resource for learners of Russian, was created in 2018 to optimize the acquisition of Russian vocabulary and morphology. The SMARTool consists of up to three most frequent wordforms for a basic vocabulary of Russian 3000 lexemes (nouns, adjectives, and verbs) typically found in the textbooks. This is the SMARTool Exercises - a supplementary resource for the Russian language learners which targets to train the choice of a correct wordform. It includes a set of short texts with gaps and a multiple choice test to fill in those gaps. The texts are based on the data retrieved from the SMARTool and adapted for the A1 proficiency level.

The SMARTool, a free web resource for learners of Russian, was created in 2018 to optimize the acquisition of Russian vocabulary and morphology. The SMARTool consists of up to three most frequent wordforms for a basic vocabulary of Russian 3000 lexemes (nouns, adjectives, and verbs) typically found in the textbooks. This is the SMARTool Exercises - a supplementary resource for the Russian language learners which targets to train the choice of a correct wordform. It includes a set of short texts with gaps and a multiple choice test to fill in those gaps. The texts are based on the data retrieved from the SMARTool and adapted for the A1 proficiency level.

The SMARTool, a free web resource for learners of Russian, was created in 2018 to optimize the acquisition of Russian vocabulary and morphology. The SMARTool consists of up to three most frequent wordforms for a basic vocabulary of Russian 3000 lexemes (nouns, adjectives, and verbs) typically found in the textbooks. This is the SMARTool Exercises - a supplementary resource for the Russian language learners which targets to train the choice of a correct wordform. It includes a set of short texts with gaps and a multiple choice test to fill in those gaps. The texts are based on the data retrieved from the SMARTool and adapted for the A1 proficiency level.

The SMARTool, a free web resource for learners of Russian, was created in 2018 to optimize the acquisition of Russian vocabulary and morphology. The SMARTool consists of up to three most frequent wordforms for a basic vocabulary of Russian 3000 lexemes (nouns, adjectives, and verbs) typically found in the textbooks. This is the SMARTool Exercises - a supplementary resource for the Russian language learners which targets to train the choice of a correct wordform. It includes a set of short texts with gaps and a multiple choice test to fill in those gaps. The texts are based on the data retrieved from the SMARTool and adapted for the A1 proficiency level.

Topic №1. Patient supervision. What is Patient Supervision? Definition of Patient Supervision: Activity consisting of verifying a patient's physiological state on the basis of the information vailable on him/her, and leading him/her to the desired state by means of therapeutic actions.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test, except 2 questions. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Checkpoint 3 consists of 3 topics. Syndrome of limb ischemia. Diseases that cause it. Conservative and surgical treatment of occlusions of arteries of lower extremities. Problems of thrombosis and embolism. Causes of the occurrence, ways of prevention, diagnosis and differential diagnosis, therapeutic tactics. Modern possibilities of conservative treatment. Indications for surgical treatment and its basic methods. Diseases of veins. Varicose veins. Thrombophlebities of subcutaneous and deep veins of extremities. Postthrombophlebitic syndrome.

Pentru fiecare item rezolvat corect obțineți un bal. Citiți cu atenție întrebările și dați răspunsuri corecte.

The test based on the video "Mediterranean with Simon Reeve" 

this test is for checking your knowledge about Present perfect tense.

Hospital Surgery 6 year - Final testing - Training version. There is only one correct answer in the test. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Study practice 1 course "CARE OF PATIENTS WITH SURGICAL PROFILE" Checkpoint # 1. Thematic plan: 1. The structure of the healthcare facility. Admission department. Functional duties and patient sanitization. 2. Sanepid and medical - protective regimes. Functional responsibilities of nursing staff. 3. Organization of meals in health care facilities. Diet therapy. Feeding seriously ill patients. Caring for a febrile patient in various periods of fever. Rating "5" - 91-100%, rating "4" - 81-90%, rating "3" - 70-80%, rating "2" - less than 69% of correct answers.

Study practice 1 course "CARE OF PATIENTS WITH SURGICAL PROFILE" Checkpoint # 2. Rating "5" - 91-100%, rating "4" - 81-90%, rating "3" - 70-80%, rating "2" - less than 69% of correct answers.

Study practice 1 course "CARE OF PATIENTS WITH SURGICAL PROFILE" Checkpoint # 2. Rating "5" - 91-100%, rating "4" - 81-90%, rating "3" - 70-80%, rating "2" - less than 69% of correct answers.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Faculty Surgery 4 year - Intermediate certification. This test completes the course of faculty surgery. There is only one correct answer in the test. A rating of "5" is 91-100%, a rating of "4" is 81-90%, a rating of "3" is 70-80%, a rating of "2" is less than 70% of the correct answers.

Тест предназначен для контроля после просмотра видео May Day для учащихся 3-4 года изучения английского языка.

Тренировочный тест

The test is designed to test students' knowledge of lexical vocabulary. You will be able to see the correct answers as you go along.

Topic №5. Peptic ulcer of the stomach and duodenal ulcer. A peptic ulcer is a sore on the lining of your stomach, small intestine or esophagus.

This information test is designed to accompany the ABRSM Music Theory in PracticeGrade 1 workbook. The progression of information through the grades is accumulative and ABRSM Grade 1Music Theory provides the foundation for all future study. Each section of this test accompanies a corresponding chapter in the ABRSMworkbook and provides all the information necessary to understand and complete eachexercise. Music theory is a vital part of music making. Every musician needs to be able to understandwhat they are playing and why certain procedures need to be observed. However, even ifyou don’t play an instrument the study of music theory is rewarding in its own right andcan be a valuable skill enabling you to become a more informed listener.

This information test is designed to accompany the ABRSM Music Theory in PracticeGrade 5 workbook. The progression of information through the grades is accumulative and ABRSM Grade 5Music Theory provides the foundation for all future study. Each section of this test accompanies a corresponding chapter in the ABRSMworkbook and provides all the information necessary to understand and complete eachexercise. Music theory is a vital part of music making. Every musician needs to be able to understandwhat they are playing and why certain procedures need to be observed. However, even ifyou don’t play an instrument the study of music theory is rewarding in its own right andcan be a valuable skill enabling you to become a more informed listener.

Англійська мова. Початкова школа. Smart junior 2. Unit 6 .Тест з англійської мови для дітей.

A  simple  test  to  test  knowledge  of  addition.

This small free IQ online test contains only 15 questions and takes about ten minutes. It's for adults and children.

Check your knowledge about 2 times table by taking this free online test.

Check your knowledge about 3 times table by taking this free online test.

Check your knowledge about 4 times table by taking this free online test.

Check your knowledge about adding integers by taking this online test. The test has 9 questions.

This small free IQ online test contains only 14 numerical questions. It's for adults and children.

Check your knowledge about 4 times table by taking this free online test.

Test consists of 19 questions of varying scope and difficulty. You have 90 minutes in which to solve the 20 questions.

State of Alabama Trivia Quiz - Questions With Answers - State of Alabama Trivia Quiz

Alaska Trivia Quiz - Multiple choice trivia quizzes with answers - Alaska Trivia Quiz.

Arizona Trivia Quiz - Questions With Answers - Arizona Trivia Quiz

Arkansas Trivia Quiz - Questions With Answers - Arkansas Trivia Quiz

California Trivia Quiz - Questions With Answers - California Trivia Quiz

Colorado Trivia Quiz - Questions With Answers - Colorado Trivia Quiz

U.S. State of Connecticut Trivia Quiz - Questions With Answers - U.S. State of Connecticut Trivia Quiz

The U.S. State of Delaware Trivia Quiz - Questions With Answers - The U.S. State of Delaware Trivia Quiz

Present Simple - это простое настоящее время. Также его называют настоящее неопределенное (indefinite). Данное время употребляется для описания действий, происходящих в настоящем. ​​​​​

Testi eesmärgiks on meelde tuletada ja mõista  tasapinnaliste kujundite definitsioone matemaatikas. Test sobib 7-12.klassi, III-IV kooliaste.

Тест для учащихся 9 класса к УМК Spotlight 9. Содержит 10 вопросов из раздела Progress Check.

Check how well you have mastered the grammar and new words from lesson 1 by passing this test .

Check how well you have mastered the grammar and new words from lesson 2 by passing this test .

Check how well you have mastered the grammar and new words from lesson 3 by passing this test .

Check how well you have mastered the grammar and new words from lesson 5 by passing this test .

The word Trivia signifies something of small importance. These type of questions and answers are gaining popularity day by day. These questions help your brain popping up some new ideas. 

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Cartilage and bone tissue" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

За допомогою цього тесту перевіряємо розуміння  змісту прочитаного тексту.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic:"Sensory system Eye" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.

Assignment for medial and dentistry students 1-2 years of Bogomolets Medical University Topic: "Cardiovascular system. Arteries" Department of Histology and Embryology Bohomolets National Medical University "Online Test for self assignment" contain licensed exam tests Step 1 of different years, which is freely available on the Internet, obtained from various sources and is not the intellectual property of the "Online Test for self assignment" developers. "Online Test for self assignment" was developed by the PHD student Osadchuk YS, under the guidance of prof. Sokurenko LM.