Exercise 11. Open the brackets and use verbs in the correct tense and voice: 1. The number of goiter cases (to vary) greatly by region.
2. Iodine (to require) for the production of thyroid substances.
3. Thyroid hormones (to regulate) the body’s metabolism.
4. Iodine deficiency (to affect) about 50 million people worldwide.
5. Iodine deficiency (can, to cause) mental impairments, miscarriages, cretinism.
6. The table salt (to fortify) with iodine.
7. A lack of sufficient iodine in the diet (to result from) the iodine - poor soil in which food is grown.
8. The examination (to reveal ) an enlarged thyroid, red sweaty palms and a fine tremor of the hands.
9. An enlarged thyroid gland (to call ) a goiter.
10.Hyperthyroidism (to confirm ) by the correct examination.
Exercise 12. Make up questions to the underlined words: 1. Adults require 20 micrograms of iodine daily.
2. Iodism is a rare condition.
3. Iodism results in weakness, swollen salivary glands and a runny nose. 4. Iodine is required for the production of thyroid hormones.
5. Many conditions can cause goiter.
6. About 740 million people have goiter.
7. A lack of sufficient iodine in the diet occurs in many mountaneous regions.
8. She has noticed that her hands have a tendency to shake. 9. Recently she has developed palpitations, heat intolerance and diarrhea. 10. Sufferers of type I diabetes are deficient in insulin.
Exercise 13. Match Mrs Davis’s symptoms (1-6) with the questions her doctor asked ( a-f).
