LASER Safety Exam ; Questions with Complete
Solutions
Class 1 and 2 laser Correct Answer-Used as aiming beams, will not cause eye or tissue
damage during normal operation
Class 3 and 4 laser Correct Answer-Damage to eye, possible permanent vision loss
Class 4 laser Correct Answer-Energy level high enough to cause serious flesh burns, and
can ignite combustable material
Class 1 laser Correct Answer-Not capable of producing damaging levels of radiation under
any viewing condition
Class 2 laser Correct Answer-Continuous wave laser operating in 385 to 750nm range
Class 2 laser Correct Answer-Momentary unintentional exposure of less than 250ms not
hazardous
, LASER Safety Exam ; Questions with Complete
Solutions
Class 2A laser Correct Answer-Class 1 laser that has protective housing removed and
installed into equipment
Class 3A laser Correct Answer-Momentary unintentional exposure to beam not considered
hazardous when viewed with an unaided eye
Class 3A laser Correct Answer-With optical focusing devise, injury is possible
Class 3B laser Correct Answer-Can cause eye and tissue damage even when exposed
momentarily
Class 3B laser Correct Answer-Reflected beam can cause eye and tissue damage
Class 3B laser Correct Answer-Reflected diffuse beam is not hazardous, will not cause eye
or tissue damage
Class 4 laser Correct Answer-Are those pulsed or continuous wave lasers
, LASER Safety Exam ; Questions with Complete
Solutions
Class 4 laser Correct Answer-Reflected and diffused reflected beams are hazardous, will
cause eye or tissue damage
Class 4 laser Correct Answer-Have an average power output greater than 0.5 watts
CDHR Correct Answer-Center for Device and Radiological Health
Laser manufacturers must certify with Correct Answer-Tittle 21 CFR 1040
CDHR adopted safe use of laser Correct Answer-ANSI Z136.1
CDHR adopted safe use of medical lasers Correct Answer-ANSI Z136.3
TB MED 524 Correct Answer-Army regulation for non-ionising radiation
Solutions
Class 1 and 2 laser Correct Answer-Used as aiming beams, will not cause eye or tissue
damage during normal operation
Class 3 and 4 laser Correct Answer-Damage to eye, possible permanent vision loss
Class 4 laser Correct Answer-Energy level high enough to cause serious flesh burns, and
can ignite combustable material
Class 1 laser Correct Answer-Not capable of producing damaging levels of radiation under
any viewing condition
Class 2 laser Correct Answer-Continuous wave laser operating in 385 to 750nm range
Class 2 laser Correct Answer-Momentary unintentional exposure of less than 250ms not
hazardous
, LASER Safety Exam ; Questions with Complete
Solutions
Class 2A laser Correct Answer-Class 1 laser that has protective housing removed and
installed into equipment
Class 3A laser Correct Answer-Momentary unintentional exposure to beam not considered
hazardous when viewed with an unaided eye
Class 3A laser Correct Answer-With optical focusing devise, injury is possible
Class 3B laser Correct Answer-Can cause eye and tissue damage even when exposed
momentarily
Class 3B laser Correct Answer-Reflected beam can cause eye and tissue damage
Class 3B laser Correct Answer-Reflected diffuse beam is not hazardous, will not cause eye
or tissue damage
Class 4 laser Correct Answer-Are those pulsed or continuous wave lasers
, LASER Safety Exam ; Questions with Complete
Solutions
Class 4 laser Correct Answer-Reflected and diffused reflected beams are hazardous, will
cause eye or tissue damage
Class 4 laser Correct Answer-Have an average power output greater than 0.5 watts
CDHR Correct Answer-Center for Device and Radiological Health
Laser manufacturers must certify with Correct Answer-Tittle 21 CFR 1040
CDHR adopted safe use of laser Correct Answer-ANSI Z136.1
CDHR adopted safe use of medical lasers Correct Answer-ANSI Z136.3
TB MED 524 Correct Answer-Army regulation for non-ionising radiation
