A method of quality control that equilibrates whole blood with a known gas concentration is termed:

A patient is being extricated from a car using a vest-type short immobilization device. After the patient has been extricated, the EMT should:

A) remove the vest-type short immobilization device and secure the patient to a long backboard. B) immobilize the patient with the vest-type short immobilization device to a long backboard. C) place the patient in a semi-Fowler's position on the stretcher for transport to the hospital. D) secure the patient and vest device in a supine position on the stretcher with the legs flexed.

Severely elevated blood pressure may be fatal and is also known as:

A. hypotensive crisis B. hypertensive crisis C. cerebrovascular accident D. cardiac disease