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Which of the following statements about airway management in trauma patients is correct?

a. The jaw-thrust maneuver is useful in trauma patients but only if they are complaining of head or neck pain. b. Research has shown that the jaw-thrust maneuver is easiest to perform and is therefore indicated for critically injured trauma patients. c. Performing the head tilt-chin lift maneuver on a patient with a possible spinal injury could further injure the patient. d. Trauma patients should always have their airway opened with the jaw-thrust maneuver, whereas medical patients should receive the head tilt-chin lift maneuver.

In First Degree Heart Block, the QRS complex should be:

A) less than 0.12 sec. B) 0.12-0.20 sec. C) greater than 0.20 sec. D) the same as the PRI.