CBET General Practice 2

Question 1

A biomedical technician is troubleshooting an infusion pump that delivers inconsistent flow rates. Which component is MOST likely responsible?

Accepted Answer

Peristaltic pump mechanism

Answer

Occlusion sensor

Answer

AC power supply

Answer

LCD display module

Question 2

According to NFPA 99, the maximum allowable ground resistance for a receptacle in a patient care area is:

Accepted Answer

0.1 ohms

Answer

0.5 ohms

Answer

1.0 ohms

Answer

0.2 ohms

Question 3

Which type of fire extinguisher is appropriate for electrical equipment fires in a biomedical equipment area?

Accepted Answer

Class C (CO2 or dry chemical)

Answer

Class A (water)

Answer

Class B (foam)

Answer

Class D (dry powder)

Question 4

A patient monitor displays an artifact that disappears when the patient's lead wires are disconnected. This MOST likely indicates:

Accepted Answer

EMI from external sources coupling through the leads

Answer

A faulty amplifier in the monitor

Answer

A defective power supply

Answer

Software corruption in the monitor

Question 5

The term 'microshock' refers to hazardous current delivered:

Accepted Answer

Directly to the heart via an intracardiac catheter at levels as low as 10 µA

Answer

Through intact skin at levels above 100 mA

Answer

Through a defibrillator paddle during cardioversion

Answer

Via a transcutaneous electrical nerve stimulator

Question 6

During preventive maintenance on a ventilator, the BIOMED finds the exhalation valve is slow to close. The MOST immediate patient safety concern is:

Accepted Answer

Inadequate tidal volume delivery due to gas leakage

Answer

Increased FiO2 delivery

Answer

Elevated baseline airway pressure

Answer

Reduced alarm sensitivity

Question 7

Which standard specifically governs the safety requirements for medical electrical equipment in the United States?

Accepted Answer

ANSI/AAMI ES60601-1

Answer

IEC 60601-1

Answer

UL 2601-1

Answer

NFPA 70E