What is the term for the process of removing necrotic tissue or eschar prior to skin grafting?

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.

That part of the cathode designed to direct the free electrons toward the tungsten target of the anode is called the "focal spot."

Indicate whether the statement is true or false