Harmonic scalpel is a common bipolar electrical energy handpiece used in the OR. What does the working end accommodate?
a. Scissors only
b. Light beam
c. Blade tip or scissors
d. Laser
ANS: C
The Harmonic scalpel is bipolar energy converted into mechanical vibrations. It does not function as an ESU. The instrument cuts and spot coagulates protein by ultrasonic vibration and minimal thermal effects. The tissue dissolves on contact. It can be used as a scissor tip or a blade tip.
You might also like to view...
Severe edema during the inflammatory process is termed
A) exudate B) transudate C) brawny edema D) fibrosis edema
Which educational objective domain deals with objectives that emphasize feeling and emotion?
A) Psychomotor domain B) Cognitive domain C) Sympathetic domain D) Affective domain
What is the most difficult parameter to monitor during FB?
a. Depth of sedation b. Airway pressure c. Chest movement d. Pulse oximetry
________ nitrate is effective in reducing cold and tactile sensitivity
Fill in the blank(s) with correct word