The role of the nurses in the intensive care unit (ICU) is to run blood tests, give medicines, change the patients' position to make them more comfortable, bathe them, brush their teeth if they can't do it themselves, and other things. Each person in the ICU has a nurse who just looks after him or her.
ICU nurses can administer sedatives, which are medicines to help people sleep, and painkillers to take away any pain. Nurses will give the right amount of medicines so that people in the ICU are as comfortable as possible.
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