Final answer:
The contraindications for administering medications by the oral route for a critically ill patient include unconsciousness, vomiting, and a fractured femur.
Step-by-step explanation:
The contraindications for administering medications by the oral route for a critically ill patient include:
- Unconsciousness: The patient may not be able to swallow the medication if they are unconscious.
- Vomiting: If the patient is experiencing vomiting, the medication may not be absorbed properly and could be expelled from the body before it can take effect.
- Fractured femur: In the case of a fractured femur, the nurse may need to avoid the oral route if the patient is unable to position themselves properly or if there is a risk of the medication interfering with the healing process.