Exam 17: Energy Sources in Surgery

During surgery, the active electrode pencil must be kept _____________ on the surgical field.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Do not position over a scar or prominent bony surface

Cryosurgery is the use of an extremely ________ instrument or substance to destroy tissue.

___________ energy is created when electricity is transformed into mechanical energy to high-frequency vibration and friction.

Protection of the patient during laser surgery would include ________.

The two most common injuries associated with unintentional laser exposure are ____________________________________.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -It may be activated by a switch located on the pencil or by a foot pedal

All of the waves in laser light have exactly the same length and therefore are ___________________.

The result of constriction of electrical current by a nonconductive material or area of high density transforms electricity into ______________ energy.

The gas, liquid, or solid through which light energy is passed to create a laser beam, contained within the optical resonant chamber, is known as ________.

All personnel entering a room in which a laser is in use must ________.

During the use of electrosurgery or laser surgery, tissue is destroyed or incised, and this process creates toxic smoke called smoke _________, which is known to be highly toxic.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Stored in sealed packages to keep the gel moist

______________ is a characteristic of laser light in which the frequency of each wave is the same.

The grounding pad that is applied to the patient to carry electrical current flow from the patient back to the power unit is known as the ________ electrode.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Current must exit the body to complete the electrical circuit

______________ materials are used to insulate the conductive material carrying electricity to prevent injury and maintain the flow of electricity within its circuit.

___________ is a characteristic of laser energy in which some cells absorb the lasing medium whereas others do not. This characteristic prevents the spread of heat (and damage) outside the target tissue.

The flow of electricity is called ________.

The ________ determines the degree of thermal damage from the laser.