Lasers- Equipment and Supplies UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What are the several factors that determine how deeply the beam penetrates into the tissue? -
CORRECT ANSWER - Power, color, wavelength, duration of tissue exposure, tissue
consistency
What are the five main components to a laser system? - CORRECT ANSWER - Excitation
source, delivery system, laserhead, control panel, and the ancillary or accessory equipment
What laser is most commonly used in surgery? - CORRECT ANSWER - The carbon
dioxide laser
What laser produces a visible blue green beam that is absorbed by red brown pigmented tissues?
- CORRECT ANSWER - The argon laser
Why is the argon laser useful for retinal surgery? - CORRECT ANSWER - Because it is
not absorbed by clear tissue
What does the acronym YAG stand for? - CORRECT ANSWER - Yttrium-aluminum-
garnet
What other medium is used in conjunction with YAG to produce a laser beam? - CORRECT
ANSWER - Neodymium
What laser uses a combination of an inert gas and a reactive gas? - CORRECT ANSWER -
The excimer laser
What must all doorways leading into the room where a laser is in use be marked with? -
CORRECT ANSWER - A warning sign stating that he laser is in use
ACTUAL Exam Questions and CORRECT
Answers
What are the several factors that determine how deeply the beam penetrates into the tissue? -
CORRECT ANSWER - Power, color, wavelength, duration of tissue exposure, tissue
consistency
What are the five main components to a laser system? - CORRECT ANSWER - Excitation
source, delivery system, laserhead, control panel, and the ancillary or accessory equipment
What laser is most commonly used in surgery? - CORRECT ANSWER - The carbon
dioxide laser
What laser produces a visible blue green beam that is absorbed by red brown pigmented tissues?
- CORRECT ANSWER - The argon laser
Why is the argon laser useful for retinal surgery? - CORRECT ANSWER - Because it is
not absorbed by clear tissue
What does the acronym YAG stand for? - CORRECT ANSWER - Yttrium-aluminum-
garnet
What other medium is used in conjunction with YAG to produce a laser beam? - CORRECT
ANSWER - Neodymium
What laser uses a combination of an inert gas and a reactive gas? - CORRECT ANSWER -
The excimer laser
What must all doorways leading into the room where a laser is in use be marked with? -
CORRECT ANSWER - A warning sign stating that he laser is in use
