Final answer:
During a CT scan, the patient is monitored visually and verbally, occasionally by a nurse, and by a pulse oximeter to ensure their safety and well-being.
Step-by-step explanation:
During a CT scan, the patient must be monitored visually and verbally, occasionally, by a nurse, and by a pulse oximeter. The visual and verbal monitoring is important for assessing the patient's comfort and well-being during the scan. The nurse provides additional support and assistance to the patient, ensuring their safety and addressing any concerns. The pulse oximeter is used to continuously monitor the patient's heart rate and oxygen levels, providing vital information about their health.