Ontario Paramedic Practice Exam

What is a contraindication for taking Acetaminophen?

1. Active vomiting

2. Use within 6 hours

3. Suspected Ischemic Chest Pain

4. Known liver disease

The correct answer is: Known liver disease

The correct answer regarding contraindications for taking Acetaminophen is known liver disease. Acetaminophen is metabolized primarily by the liver, and in individuals with existing liver disease, the ability to process this medication can be compromised. This can lead to toxic levels of the drug in the body and increase the risk of liver damage. Therefore, individuals with known liver disease are advised against taking Acetaminophen to prevent potential adverse effects. Active vomiting may complicate the administration of medications, but it does not specifically contraindicate the use of Acetaminophen itself, as alternative routes of administration may be considered. Using Acetaminophen within 6 hours does not inherently pose a risk, as the typical dosing schedule allows for administration at designated intervals, depending on the patient's needs. Lastly, while ischemic chest pain may require careful consideration of medications generally, it is not directly contraindicated for the use of Acetaminophen, making known liver disease the most critical contraindication in this context.