Part C 32 – Question Booklet

Part C, Text 1: Questions 7-14

07. According to the article:

1. Low blood pressure can cause eye problems in divers.
2. Diving is becoming more and more dangerous.
3. Eyes can be severely harmed as a result of diving.
4. Many divers experience approximately 50% vision loss.

08. The study suggests that:

1. Divers should have at least two years of experience.
2. Experienced divers can avoid the risk of eye damage.
3. Professional divers are more careful than amateur divers.
4. None of the above.

09. Damage to the retina is caused by:

1. Obstructions to blood circulation.
2. Loss of pigment in the epithelium.
3. Pressure on the central nervous system.
4. All of the above.

10. Approximately 5 per cent of professional divers:

1. Develop bone necrosis.
2. Have annual bone x-rays.
3. Get the ‘bends’.
4. Are nervous when diving.

11. All of the following were used by doctors to examine the health of practicing divers except:

1. Nuclear magnetic resonance imaging.
2. Post-mortem examinations.
3. Memory tests and reaction tests.
4. Neurological examinations.

12. Which of the following statements is true according to the article?

1. Small dead patches always develop in divers’ bones.
2. Brain damage is common among North Sea divers.
3. Neurological problems may not be immediately apparent.
4. Spinal cord damage in divers is easily detected.

13. Which of the following is not true according to the article?

1. Sickle-cell anemia is a common disease among divers.
2. Neurological and bone tissue damage are similar.
3. Tissue damage of divers results from blockage of blood.
4. Researchers avoided the use of surgery in their investigations.

14. Retinal angiography:

1. Involves the injection of fluorescein dye into the pupil.
2. Provides graphic information about blood supply to retinas.
3. Causes considerable discomfort to the patient.
4. None of the above. 

Text 2: Questions 15-22

15. Based on the first paragraph, lead:

1. is excreted completely from the human body.
2. accumulates mainly in the lungs and intestines.
3. can be taken into the body through the skin.
4. moves about the body via blood circulation.

16. Which is the most likely source of lead poisoning in humans?

1. Exposure in the workplace.
2. A contaminated water supply.
3. Common household items.
4. Medical imaging procedures.

17. Legislation in many countries has resulted in:

1. lead pipes being replaced in all housing.
2. petrol being produced without added lead.
3. the use of leaded paint being made illegal.
4. drinking water being guaranteed lead free.

18. The third paragraph describes:

1. measures taken to reduce levels of lead in the environment.
2. the elimination of lead contamination in some countries.
3. twenty years of legislation restricting the use of lead.
4. difficulties in removing lead from construction sites.

19. The effects of lead in a person’s body:

1. are not easy to observe.
2. cannot be reversed.
3. sometimes cause death.
4. depend on several factors.

20. The preferred method for measuring lead levels in the body depends on:

1. how old the person is.
2. how sick the person is.
3. how intense the exposure was.
4. how long ago the exposure was.

21. Young children are at greater risk of lead poisoning than adults due to:

1. the continuing presence of lead in children’s toys.
2. their more frequent exposure to contaminated materials.
3. a higher capacity for lead absorption into their bodies.
4. the increased retention of lead in developing brains.

22. In sixth paragraph research links a fall in incidents of violent crime to:

1. environmental changes during the 1990s.
2. reduced exposure to lead in the workplace.
3. behavioural changes from lead poisoning.
4. the widespread use of unleaded petrol.

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