Final answer:
Pulse oximeters are allowed in CT scans to monitor the patient's oxygen saturation levels.
Step-by-step explanation:
The true statement is: 2) Pulse ox are allowed in CT.
In a CT examination, the patient's airway and risk of aspiration are evaluated to determine if the patient needs any assistance or specific equipment. Pulse oximeters are commonly used in CT scans to monitor the patient's oxygen saturation levels. It is important to ensure that the patient has a functioning pulse oximeter during the examination.