Final answer:
B. PRN. The medication order described is a PRN (Pro Re Nata) medication order that allows healthcare providers to administer medication as needed for severe pain.
Step-by-step explanation:
The medication order described, Demerol 75 mg, IM every 4 hours, as needed for severe pain, is known as a PRN (Pro Re Nata) medication order. PRN orders are based on the patient's needs and can be administered when the patient experiences significant pain or discomfort. In this case, Demerol is a prescription pain reliever that is typically used for severe pain.
A PRN medication order allows healthcare providers to administer medication as needed, within specific parameters or guidelines. The order specifies the medication name and dosage, as well as the frequency at which it can be administered. In the case of Demerol 75 mg, IM every 4 hours, the patient can receive a 75 mg injection of Demerol every 4 hours, if they are experiencing severe pain.
It's important to note that Demerol is a controlled substance and should only be used under the supervision of a healthcare professional. Additionally, patients should follow the prescribed dosage and frequency as directed by their healthcare provider to ensure proper and safe administration of the medication.