CBET Preventive Maintenance and Calibration 2

Question 1

What is the acceptable chassis leakage current limit for a Class I medical device under normal conditions per AAMI/IEC 60601-1?

Accepted Answer

500 µA

Answer

5 mA

Answer

50 mA

Answer

5 µA

Question 2

During a PM on a defibrillator, the BMET checks delivered energy. What instrument is used to measure this?

Accepted Answer

Defibrillator analyzer

Answer

Oscilloscope only

Answer

Multimeter

Answer

ECG simulator

Question 3

A ventilator's tidal volume reading drifts 15% low over three months. What is the most appropriate first action?

Accepted Answer

Recalibrate the flow sensor per the service manual

Answer

Replace the entire ventilator immediately

Answer

Notify the manufacturer and wait

Answer

Increase the set tidal volume to compensate

Question 4

Which PM task is specific to electrosurgical units (ESUs)?

Accepted Answer

Testing return electrode contact quality monitoring (RECM)

Answer

Checking IV tubing patency

Answer

Verifying suction regulator pressure

Answer

Calibrating SpO2 probe wavelength

Question 5

What is the purpose of a 'loaner pool' in a biomed equipment management program?

Accepted Answer

To provide substitute devices while primary equipment is under repair or PM

Answer

To store expired disposables

Answer

To loan devices to competing hospitals

Answer

To house equipment awaiting disposal

Question 6

Which standard governs the safe use of electrical equipment in patient care areas in US hospitals?

Accepted Answer

NFPA 99

Answer

NFPA 101

Answer

NEC Article 517

Answer

OSHA 1910.303