Unrestricted and Restricted Areas
The Operating Room
Hazards
Chemicals
Random Tidbits
100
In this unrestricted area, the surgical procedure and correct side is confirmed the the patient before placing a wristband.

What is registration.

100
OR outlets contain this voltage and must be connected to a monitored electrical system.

What is 110-220 volt. 

100

These guidelines aid in reducing the patient's exposure to ionizing radiation and fluoroscopy.

What are time, shielding, and distance.
100
Commonly used preservative for tissue specimens to be sent to the pathology department.

What is formalin.

100

This type of smoke contains water, carbonized particles, and intact strands of DNA that are potentially infectious.

What is plume.
200

This unrestricted area will have isolation rooms for patients with transmissible diseases or infections. Patients may arrive still intubated.

What is the PACU. 

200

These systems are used to keep the patients airway clear, and are used on the floor to keep excess water from pooling during arthroscopic procedures. 

What are suction systems. 

200

These three things compose the fire triangle which state what must be present for combustion. 

What are an ignition source, oxygen-rich environment, and fuel. 

200

A liquid chemical converted to a gas for sterilization purposes. Heat sensitive instruments may be sterilized with this.

What is Ethylene Oxide (EtO)

200

Appropriate post-exposure measures, such to HIV or HBV require this and are important for the prevention of occupationally acquired diseases.

What is post-exposure prophylaxis (PEP)

300

This semi-restricted area is where the final assembly, sterilization, and storage of instruments occurs. 

What is central sterile processing department.

300

These are the 4 gas outlets that are supplied in the OR.

What are oxygen, nitrous oxide, nitrogen, and compressed medical air. 

300

This refers to the process in which light energy is produced and the device that generates the laser energy or beam.

What is laser.
300

A liquid disinfectant and sterilizing agent. Commercially known as Cidex.

What is Glutaraldehyde. 

300

Detailed information about specific chemicals is provided in this that the surgery department must have available for surgery personnel.

What are Safety Data Sheets (SDS)

400

In this restricted area, you will find a workroom for the OR or group of adjacent ORs. It may contain a sink, autoclave steam sterilizer, or fluid warmer. 

What is the substerile room. 

400

The ventilation system in the OR provides ______ in which the air pressure in the OR suit is higher than the surrounding corridors. 

What is positive laminar flow/positive pressure.

400

Proper body mechanics can help protect the body from injury. This is referred to as

What is ergonomics. 
400
Chemical compound composed of a mixture of liquid and powder. Common name in surgery is bone cement.

What is Polymethyl methacrylate (PMMA).

400

A strategy to avoid intraoperative sharps injuries is to establish this zone.

What is the neutral zone.

500

This restricted area is where surgical procedures are performed and must maintain certain parameters. 

What is the OR. 

500

An instrument used to measure the difference of air pressure between two rooms.

What is a manometer. 

500

Cleaning performed at the end of the day or when an infectious patient such as one with CJD had a surgical procedure done.

What is terminal cleaning. 

500

These are vapors that escape from the anesthesia machine and tubing. Studies indicated chronic exposure can pose health hazards.

What are waste anesthetic gases (WAGs).

500

The recommended weight limit on instrument trays.

What is 25lbs.