Listen to the sentences and complete them with the correct word or words (there will be between 1 and 4 missing).
Spelling is important both in the OET and in your working lives, and this exercise will help you to improve.

Nuclear medicine uses radioactive tracers to diagnose and treat disease.
The medical team will evaluate the effectiveness of the new drug in clinical trials.
The bacteria will incubate in the culture medium overnight.
The organ donor saved several lives through organ transplantation.
Bipolar disorder is characterised by episodes of mania and depression.
The overall health of the patient improved after starting the new treatment regimen.
The medication will inhibit the growth of bacteria in the body.
The laboratory will analyse the blood samples for abnormalities.
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