Exam 17: Energy Sources in Surgery

In electricity, the periodicity of electromagnetic waves is called _______.

_____________________ is the term for complete destruction of tissue.

In coagulation mode, the ______________ in cutting mode.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Its function is to capture electrical current from the active electrode and transmit it back to the power unit.

The patient-return electrode must be placed close to the surgical site over _____________________.

Lasers are distinguished by the functional or biophysical reaction of the ________.

____________ coupling is a specific burn hazard of monopolar endoscopic surgery when current passes inadvertently through instrument insulation and adjacent conductive material into tissue.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Electrosurgical handpiece or pencil

In laser technology, a series of mirrors that reflects photons or free electrons within the optical resonant chamber and causes emission of more photons and the creation of laser energy is known as _____________.

The destruction of cataracts using ultrasound technology is called ______________.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Open procedures require tips such as a flat blade, Teflon-coated blade, needle point, ball tip, and loop.

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

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Endoscopic procedures require long, thin electrodes that can be inserted through a cannula

In laser surgery a method of intermittent application of the laser light on the target tissue is called __________.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Do not place in a position that might cause the return current to cross other bioelectrical devices such as a pacemaker.

A __________________ is required to manage laser risks and define safety protocols.

When the path of electricity is interrupted by a less-conductive medium, this is called ________________.

_______________ uses an intensely hot, precisely focused light beam to cut and coagulate tissue.

During surgery, the perioperative team must suspect a problem if the surgeon repeatedly requests _________________ of the ESU.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -To prevent alternate site burns, the current exits the body through this highly conductive electrode.