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

2 air changes per hour

Answer

4 air changes per hour

Answer

12 air changes per hour

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

Positive pressure

Answer

Neutral pressure

Answer

Equalized pressure

Question 3

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

Accepted Answer

ASHRAE

Answer

CDC

Answer

OSHA

Answer

The Joint Commission

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

Patient comfort

Answer

Energy efficiency compliance

Answer

Plumbing code violations

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

90°F (32°C)

Answer

110°F (43°C)

Answer

122°F (50°C)

Question 6

Which federal regulation requires hospitals to have a written Water Management Plan to reduce the risk of Legionella and other waterborne pathogens?

Accepted Answer

CMS Conditions of Participation (42 CFR Part 482)

Answer

OSHA Standard 1910.141

Answer

EPA Clean Water Act

Answer

NIOSH Publication 2018-149

Question 7

An inspector finds standing warm water in a hospital's HVAC cooling tower. What is the primary infectious disease concern?

Accepted Answer

Legionella pneumophila growth

Answer

Influenza transmission

Answer

MRSA contamination

Answer

Tuberculosis spread