HIC Environmental Health & Facility Management

Question 1

According to ASHRAE Standard 170, what is the minimum total air change rate required for a general patient room?

Accepted Answer

6 air changes per hour

Answer

ASHRAE 170 requires a minimum of 6 total air changes per hour (ACH) for general patient rooms, with at least 2 ACH of outdoor air.

Question 2

An Airborne Infection Isolation (AII) room must maintain what type of pressure relationship relative to the adjacent corridor?

Accepted Answer

Negative pressure

Answer

AII rooms must be maintained at negative pressure so that air flows inward, preventing airborne pathogens from escaping into the corridor.

Question 3

Which organization publishes the ventilation standards most commonly referenced for healthcare facility design and inspection?

Accepted Answer

ASHRAE

Answer

ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) publishes Standard 170, which is the primary ventilation standard for healthcare facilities.

Question 4

During a hospital inspection, water temperature in patient care area handwashing sinks is consistently below the minimum. What is the primary concern?

Accepted Answer

Legionella growth prevention

Answer

Inadequate hot water temperature allows Legionella bacteria to proliferate in the water system, posing a serious risk of Legionnaires' disease.

Question 5

According to ASHRAE 188, at what minimum temperature should hot water be maintained at the storage heater to prevent Legionella growth?

Accepted Answer

140°F (60°C)

Answer

ASHRAE 188 requires hot water to be stored at a minimum of 140°F (60°C) to kill Legionella bacteria throughout the water system.

HIC - Hospital Inspector Certification Practice Test

HIC - Hospital Inspector Certification Practice Test

HIC Environmental Health & Facility Management