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.

Bipolar disorder is characterised by episodes of mania and depression.
The surgeon used a minimally invasive technique to repair the hernia.
Inflammation in the joints is a common symptom of rheumatoid arthritis.
The nurse will assess the patient’s vital signs before administering medication.
The medication will inhibit the growth of bacteria in the body.
Nuclear medicine uses radioactive tracers to diagnose and treat disease.
The culture medium provided optimal conditions for bacterial growth.
Only a fraction of patients experience severe side effects from the medication.
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