Which of the following items is where the prior authorization number is recorded?

Which of the following indicates that the lighted stylet has entered the trachea?

A) Dim, diffuse light at the anterior part of the neck B) Bulging of the soft tissue above the thyroid cartilage C) Tightly circumscribed light below the thyroid cartilage D) Absent illumination at the midline of the patient's neck

All of the following are causes of a flail chest EXCEPT:

a. blast injury. b. motor vehicle accident. c. split sternum for open heart surgery. d. fall from heights.