ASHE Medical Equipment & Infrastructure Maintenance 5

Question 1

A hospital CT scanner gantry cooling system fails, causing the X-ray tube to overheat and shut down. Which infrastructure system failure most likely caused this?

Accepted Answer

Chilled water supply interruption to the equipment room

Answer

Medical gas pressure drop in the suite

Answer

UPS battery failure

Answer

Fire alarm activation in the imaging wing

Question 2

When performing a battery backup test on a portable patient monitor, which parameter most directly measures the battery's ability to support clinical use?

Accepted Answer

Runtime at full operational load until low-battery alarm activates

Answer

Open-circuit voltage immediately after charging

Answer

Battery cell temperature during charge cycle

Answer

Maximum charge current during the bulk charge phase

Question 3

According to NFPA 99, what is the minimum number of hospital-grade receptacles required at a general care patient bed location?

Accepted Answer

4 receptacles on at least 2 circuits

Answer

2 receptacles on 1 circuit

Answer

6 receptacles on at least 3 circuits

Answer

8 receptacles on at least 2 circuits

Question 4

A facilities engineer is designing an equipment maintenance schedule for a hospital's fleet of 800 medical devices. What is the most effective strategy to reduce unplanned downtime without increasing PM labor costs proportionally?

Accepted Answer

Implement risk-stratified PM intervals using Maintenance Allocation (MTBF and criticality data)

Answer

Perform PM on all devices monthly regardless of risk level

Answer

Outsource all PM to original equipment manufacturers

Answer

Reduce PM documentation requirements to free technician time

Question 5

A hospital boiler producing steam for sterilization is found to have a safety relief valve that has not been tested in 3 years. What is the correct action?

Accepted Answer

Remove the relief valve from service for bench testing or replacement and do not operate the boiler until it is replaced

Answer

Manually lift the valve to verify it operates and return it to service

Answer

Document the finding and schedule testing at the next annual PM

Answer

Increase boiler operating pressure slightly to verify the valve will lift

Question 6

Which federal regulation requires hospitals to maintain records of medical device malfunctions that may have caused or contributed to serious injury or death?

Accepted Answer

FDA Safe Medical Devices Act (MDR regulations, 21 CFR Part 803)

Answer

OSHA 29 CFR 1910 General Industry Standards

Answer

CMS Conditions of Participation (42 CFR Part 482)

Answer

EPA Clean Air Act Section 608

Question 7

An ASHE-certified healthcare engineer is reviewing the facility's steam sterilizer qualification records. Which document provides evidence that a sterilization cycle consistently achieves the required sterility assurance level (SAL)?

Accepted Answer

Biological indicator test logs demonstrating consistent spore kill

Answer

Equipment PM work orders showing annual calibration

Answer

Autoclave purchase invoices and installation records

Answer

Steam pressure gauge calibration certificates