OBT OBT Equipment & Technology 1

Question 1

What is the primary purpose of a beam collimator in optical beam therapy equipment?

Accepted Answer

To shape and direct the optical beam to the target area

Answer

A beam collimator shapes and directs the optical beam precisely to the intended treatment target area.

Question 2

Which parameter is most critical to verify during routine calibration of an OBT device?

Accepted Answer

Output power or irradiance

Answer

Output power or irradiance must be verified during calibration to ensure therapeutic doses are accurate and safe.

Question 3

What does the term 'duty cycle' refer to in pulsed optical beam therapy devices?

Accepted Answer

The ratio of on-time to total cycle time for a pulsed beam

Answer

Duty cycle describes the proportion of time a pulsed beam is active relative to the total pulse period.

Question 4

Which of the following best describes a class IV laser as classified by the FDA?

Accepted Answer

A high-powered device capable of causing injury to skin and eyes

Answer

Class IV lasers are high-powered devices that can cause serious injury to the eyes and skin even from indirect reflections.

Question 5

What is the function of an optical fiber delivery system in OBT equipment?

Accepted Answer

To transmit optical energy from the source to the treatment handpiece

Answer

Optical fiber delivery systems guide laser or light energy from the source unit to the handpiece used at the treatment site.

(OBT) Optical Beam Therapy Certification Practice Test