000361

56 I. Translate the sentences paying attention to the infinitive and gerund forms. 1. A fluoroscope usage can decrease the risk of perforating a lung and causing its collapse. 2. Suctioning is used to obtain secretions and cells from the trachea and large bronchi. 3. The skeleton provides strength, stability and a frame for muscles to work in producing movements. 4. No computer has come close to matching the abilities of the human brain. 5. Before performing a physical examination and diagnostic tests, a doctor interviews a patient to obtain his medical history. 6. However, more specific mental status testing is usually needed to diagnose a problem of depression. 7. Hepatitis, pregnancy, high blood pressure, anemia or the use of certain drugs may temporary disqualify a person from donating blood. 8. For eligible donors, giving blood is very save. 9. To minimize the chance of a reaction during blood transfusion doctors take several precautions. 10. Quitting smoking, losing weight, reducing blood cholesterol levels through a diet or medication and performing daily aerobic exercises help reduce the risk of coronary artery disease. II. Circle the correct form of the infinitive or the gerund. If both forms are correct, circle both. 1. Bleeding/To bleed may be severe if a pulmonary vessel is occasionally damaged by a catheter. 2. People with chronic pulmonary insufficiency tend to slow down/to be slowed down their breathing when they are overtreated with oxygen. 3. The acidity of the blood must keep/be kept  in balance both by adjusting (adjust-регулировать) the rate of breathing and using medications that buffer acidity. 4. Antibiotics are given to fight/in fighting  infections. 5. Coal workers should to have/have chest X‑rays made every 4 to 5 years, so that the disease can be detected at the early stage. 6. Allergic reactions can occur to eat/from eating a certain food or taking a drug. 7. Non steroid antiinflamatory drugs or sometimes corticosteroids help relieve/relieving severe muscle and joint pain.