How does response to passage of a Nasogastric tube lead to apnea? ?

The passage of a nasogastric tube can stimulate the vagus nerve, which is responsible for controlling the muscles involved in breathing. This stimulation can lead to a reflex response that causes the muscles to relax, potentially leading to apnea (temporary cessation of breathing). Additionally, the presence of the tube in the airway can also physically obstruct the flow of air, further contributing to the development of apnea.