The Patient Comes to the Emergency Department with a Head

The patient comes to the emergency department with a head injury, broken ribs, and internal bleeding. Opioid analgesics are contraindicated. What does the nurse recognize as the primary rationale for this?

A) The use of opioid analgesics will depress the patient's blood pressure.
B) The patient may not be able to communicate his level of pain.
C) Opioids will not effectively relieve pain in the patient's periphery.
D) Opioids can mask changes in the patient's level of consciousness.