Calculating Morphine Dosage for Pain Management

When managing pain for a patient recovering from surgery, the healthcare provider decides to administer a narcotic analgesic. The provider intends to give the patient ____ mg of Morphine every 4 hours as needed for pain relief. The ordered dosage is 2 mg per kg of body weight. If the patient weighs 70 kg, fill in the blank for the total amount of Morphine to be administered per dose.