LQA 31

Excessive exposure to radiation can affect the:

• integumentary system
• brain
• reproductive organs
• stomach

Radiation exposure of the staff is monitored with:

• a homing device
• a Holter monitor
• film badges
• a notation on each operative record

Ionizing radiation protection is afforded by the use of:

• iron
• ebonized coating
• zinc
• lead

A potential safety hazard associated with laser surgery is:

• eye injury
• electrical shock
• carcinogenic activity
• ionizing radiation exposure

An OR hazard that has been linked to increased risk of spontaneous abortion in female OR employees is exposure to:

• x-ray control
• radium
• sterilization agents
• waste anesthetic gas

While using this mixture, a scavenging sys­tem is used to collect and exhaust or absorb its vapors. It is called:

• glutaraldehyde
• polypropylene
• methyl methacrylate
• halon

The best measure for staff protection against HIV is:

• handling all needles and sharps carefully
• using barriers to avoid direct contact with blood and body fluids
• immunization of all staff with vaccine
• Both A and B

Which body organ is most susceptible to laser injury?

• Skin
• Gonads
• Eye
• Thyroid

How is inhalation of the laser plume best pre­vented?

• Double mask worn by scrub team
• Filter on suction
• Laser on standby whenever possible
• Mechanical smoke evacuator on field

What components are required for a fire and are found in an OR setting?

• O2
• Fuel
• Source ofignition
• All of the above