Final answer:
A DNR order affects CPR, intubation, and the administration of medications.
Step-by-step explanation:
A DNR (Do Not Resuscitate) order is a legal document that states that if a person's heart stops or they stop breathing, medical personnel are not to perform CPR (cardiopulmonary resuscitation) to revive or resuscitate the patient.
Intubation refers to the insertion of a breathing tube into a person's airway to help them breathe. If a person has a DNR order, medical personnel would not perform intubation.
Medications such as adrenaline and epinephrine are often used during CPR to stimulate the heart and improve resuscitation efforts. If a person has a DNR order, medical personnel would not administer these medications.