Q: Which of the following is a recommended environmental control measure for the operating room?

Maintain a temperature between $$20\text{\degree}C$$ and $$23\text{\degree}C$$

Q: A surgical team is preparing for a procedure that requires strict environmental controls. Which formula best represents the recommended air exchange rate per hour in the OR?

$$\text{Air Exchange Rate} = 15 \text{ exchanges/hour}$$

Question 1

Which of the following best describes the purpose of positive pressure ventilation in an operating room (OR)?

Accepted Answer

To prevent contaminated air from entering the room from surrounding areas

Question 2

A patient is scheduled for surgery in a hospital with a hotel-style OR floor plan. Which of the following is a potential risk associated with this layout?

Accepted Answer

Specialty grouping could violate infection control standards due to multiple ORs sharing a central corridor

Question 3

Which color is used for oxygen gas outlets in the operating room, and why is this color coding important?

Accepted Answer

Green; it helps quickly identify oxygen supply in case of an emergency

Question 4

A nurse is preparing to use a cautery device during surgery. Which type of safety hazard is most relevant in this scenario?

Accepted Answer

Fire safety hazard

Question 5

Which of the following is a recommended environmental control measure for the operating room?

Accepted Answer

Maintain a temperature between $$20	ext{\degree}C$$ and $$23	ext{\degree}C$$

Question 6

A surgical technologist is exposed to blood during a procedure. According to CDC standards, what is the correct protocol?

Accepted Answer

Treat all body fluids as if they are potentially infectious

Question 7

Which of the following is a chemical hazard commonly found in the operating room, and what is its associated risk?

Accepted Answer

Glutaraldehyde; cancer risk

Question 8

A patient is being transferred from the preoperative holding area to the operating room. Which traffic control principle is being applied?

Accepted Answer

Unrestricted area to semi-restricted area

Question 9

Which of the following is NOT a recommended ergonomic safety practice for operating room staff?

Accepted Answer

Lifting heavy objects without assistance

Question 10

A fire breaks out in the operating room. Which type of fire extinguisher should be used for an alcohol-based fire?

Accepted Answer

Type B extinguisher

Question 11

Which of the following best describes the function of a ring stand in the operating room?

Accepted Answer

To hold basins with sterile water for rinsing instruments

Question 12

A surgical team is preparing for a procedure that requires strict environmental controls. Which formula best represents the recommended air exchange rate per hour in the OR?

Accepted Answer

$$	ext{Air Exchange Rate} = 15 	ext{ exchanges/hour}$$

Question 13

Which of the following is a correct safety procedure when handling sharps in the operating room?

Accepted Answer

Use one-handed recapping of needles if necessary

Question 14

A patient is at risk of exposure to waste anesthetic gases during surgery. What is the primary health concern associated with prolonged exposure?

Accepted Answer

Liver and kidney damage

Question 15

Which of the following items should be kept closed during surgeries to limit contamination and traffic in the operating room?

Accepted Answer

All doors

Question 16

A surgical technologist is reviewing the Material Safety Data Sheet (MSDS) for a chemical used in the OR. What is the primary purpose of the MSDS?

Accepted Answer

To provide information on dangers associated with contact or inhalation

Question 17

Which of the following is a biological hazard that can be transmitted through accidental needle sticks in the operating room?

Accepted Answer

Bloodborne pathogens

Question 18

A hospital is evaluating its environmental safety controls. Which principle should be followed regarding the storage of most used items in the OR?

Accepted Answer

Store most used items away from traffic areas to decrease clutter

Question 19

Which of the following is a correct statement about ionizing radiation in the operating room?

Accepted Answer

It can be useful in therapeutic doses but must be monitored to avoid excessive exposure

Question 20

A surgical team is using ethylene oxide as a sterilant. What is a major safety concern associated with this chemical?

Accepted Answer

It can cause nausea and vomiting, and respiratory issues

ST mod 7 notes

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드