CHL Department Design and Facility Planning

Question 1

A sterile processing department must be physically designed to support a unidirectional workflow. What is the primary reason for this design requirement?

Accepted Answer

To prevent cross-contamination between soiled and clean/sterile items by ensuring traffic moves in one direction

Answer

Unidirectional workflow — where soiled items enter from one side and sterile items exit from the other — is the foundational design principle of SPD. It physically separates contaminated and clean/sterile areas, preventing cross-contamination that could compromise patient safety.

Question 2

Which of the following describes the correct relationship between air pressure in the decontamination area versus the clean assembly area in a sterile processing department?

Accepted Answer

The decontamination area should be under negative pressure; the clean assembly area under positive pressure

Answer

The decontamination area should be maintained under negative pressure (relative to adjacent areas) to contain airborne contaminants and prevent them from migrating to clean areas. The clean assembly and sterile storage areas should be under positive pressure to prevent contaminated air from entering. AAMI ST79 and ASHRAE standards establish these requirements.

Question 3

When planning a new sterile processing department, a manager must ensure that the decontamination area is physically separated from the clean assembly area. What is the most important feature of this separation?

Accepted Answer

A solid barrier wall with pass-through windows to prevent staff from moving freely between zones

Answer

Physical barrier walls with dedicated pass-through windows or doors provide the most reliable separation between contaminated and clean zones. Color markings and verbal policies are supplementary controls but are not sufficient on their own. Physical barriers are the engineering control required by AAMI and accreditation standards.

Question 4

A hospital is renovating its sterile processing department and the manager is consulted on design. Which stakeholder group should be involved EARLIEST in the planning process?

Accepted Answer

The infection prevention team, facilities engineering, and accreditation consultants, alongside SPD leadership

Answer

A successful SPD renovation requires early collaboration among infection prevention (for barrier and ventilation standards), facilities engineering (for mechanical requirements), accreditation consultants (for regulatory compliance), and SPD leadership (for workflow). Excluding any of these groups early leads to costly redesigns or compliance failures.

Question 5

Which of the following environmental conditions should be monitored and documented in a sterile processing clean assembly area?

Accepted Answer

Temperature, humidity, and air exchanges per hour

Answer

AAMI and ASHRAE standards require that temperature (68–73°F), relative humidity (30–60%), and air exchanges per hour be monitored and documented in clean and sterile areas. These parameters directly affect sterility maintenance and packaging integrity, making documentation an accreditation requirement and patient safety obligation.

CHL - Certified Healthcare Leader Practice Test

CHL - Certified Healthcare Leader Practice Test

CHL Department Design and Facility Planning