Certified Ambulatory Perianesthesia Nurse (CAPA) Practice Exam

What can be a consequence of not monitoring the maximum dose of acetaminophen?

1. Enhanced pain relief

2. Risk of renal failure

3. Increased tolerance

4. Hepatotoxicity

The correct answer is: Hepatotoxicity

The consequence of not monitoring the maximum dose of acetaminophen is hepatotoxicity. Acetaminophen is primarily metabolized in the liver, and exceeding the recommended maximum dosage can lead to the accumulation of toxic metabolites. This can overwhelm the liver's capacity to safely process the drug, resulting in cell damage and, in extreme cases, liver failure. The risk is particularly heightened when combined with alcohol consumption or in individuals with pre-existing liver conditions. Monitoring acetaminophen intake is essential because the "therapeutic" dose for adults is typically up to 4,000 mg per day, although lower limits are recommended by some organizations to ensure safety. Careful adherence to dosing guidelines is necessary to prevent liver damage and ensure patient safety. This highlights the importance of education and vigilance among healthcare providers to avoid potentially serious complications from a common medication.