Emesis is a medical term for:

An EMT is rapidly extricating a critically injured patient from a severely damaged vehicle. Which one of the following would the EMT recognize as acceptable given this patient's condition?

A) A vest-type or other short spine immobilization device can be omitted, but a cervical collar and manual in-line spinal stabilization are still required. B) Manual in-line spinal stabilization can be omitted in the vehicle, but should be taken once the patient has been extricated and is on the long backboard. C) A vest-type or other short spine immobilization device still needs to be used to extricate the patient from the vehicle. D) The long backboard can be omitted and the patient can be placed directly onto the stretcher as long as a cervical collar has been applied.

What are the three principle causes of unsatisfactory performance in sprinkler systems?

What will be an ideal response?