Question 1

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

Accepted Answer

Pulsed wave refers to the intermittent application of laser light, where the laser is turned on and off (pulsed) rather than being applied in a continuous stream. This method can allow for precise control over the amount of energy delivered to the target tissue.

Question 2

The flow of electricity is called ________.

Accepted Answer

Electricity's flow is referred to as "current," which is the movement of electric charge.

Question 3

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

Accepted Answer

Capacitive coupling is a specific burn hazard in monopolar endoscopic surgery, occurring when electrical current inadvertently passes through instrument insulation and adjacent conductive materials into tissue.

Question 4

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

Accepted Answer

A laser safety officer is specifically tasked with managing laser risks and defining safety protocols in environments where lasers are used, ensuring the safety of both operators and patients.

Question 5

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

Accepted Answer

Monochromatic refers to light having a single color or wavelength, which implies that the frequency of each wave is the same, a characteristic of laser light.

Question 6

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

Accepted Answer

Nonconductive materials are used for insulation because they do not allow the flow of electric current, thus preventing injury and ensuring that electricity remains within its intended circuit.

Question 7

In coagulation mode, the ______________ in cutting mode.

Accepted Answer

The answer of In coagulation mode, the ______________ in cutting...

Question 8

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

Accepted Answer

The degree of thermal damage from the laser is determined by the sensitivity of the irradiated tissue, the amount of tissue affected, and the length of time the tissue is exposed.

Question 9

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

Accepted Answer

Impedance is the term used to describe the opposition that a circuit presents to the passage of electric current when a voltage is applied, effectively interrupting or hindering the flow of electricity through a less-conductive medium.

Question 10

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

Accepted Answer

Laser surgery uses an intensely hot, precisely focused light beam to cut and coagulate tissue, offering precision, minimal damage to surrounding tissues, and reduced bleeding and healing time.

Question 11

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

Accepted Answer

The active electrode pencil should be kept in a nonconductive safety holster when not in use during surgery to prevent accidental burns or fires, ensuring patient and staff safety.

Question 12

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

Accepted Answer

When electrical current is constricted by a nonconductive material or an area of high density, it typically results in the generation of heat due to the resistance encountered, transforming electrical energy into thermal energy.

Question 13

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

Accepted Answer

Wearing the appropriate eye protection is crucial for anyone entering a room where a laser is in use to prevent eye damage from direct or scattered laser light. Signing a log or wearing a lead apron is not universally required for laser safety, but specific eye protection is.

Question 14

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

Accepted Answer

The two most common injuries associated with unintentional laser exposure are eye injury and tissue burn. Lasers can cause damage to the eyes, potentially leading to temporary or permanent vision impairment, and can burn skin and other tissues due to the intense heat generated.

Question 15

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

Accepted Answer

Ultrasonic energy is created when electricity is transformed into mechanical energy, leading to high-frequency vibration and friction. This process is commonly used in applications such as medical imaging and industrial cleaning.

Question 16

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

Accepted Answer

Cryosurgery involves the use of extreme cold to destroy abnormal or diseased tissue.

Question 17

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

Accepted Answer

If a surgeon repeatedly requests increases in power for the Electrosurgical Unit (ESU), it may indicate a problem with the equipment or its setup, suggesting that the current settings are not effectively achieving the desired surgical effect.

Question 18

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

Accepted Answer

The patient-return electrode should be placed close to the surgical site over a large muscle mass to ensure a broad contact area for current dispersion, reducing the risk of burns or other complications.

Question 19

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.

Accepted Answer

The correct term for the toxic smoke created during electrosurgery or laser surgery is "smoke plume." This smoke can contain various harmful components, including toxic chemicals, vapor, and particles.

Question 20

Protection of the patient during laser surgery would include ________.

Accepted Answer

Protection of the patient during laser surgery includes using wet towels to protect exposed skin and tissues from accidental laser burns and protective eyewear to shield the eyes from harmful laser light.

Quiz 17: Energy Sources in Surgery