12.
Which of the following classes of lasers presents the greatest hazard?
a. Class II.
b. Class III.
c. Class IV.
d. Class V.
13.
The organ of the human body most sensitive to laser emissions is the:
a. Skin.
b. Eye.
c. Testicle.
d. Brain.
14.
There are three basic modes of laser operation, CW, pulsed, Q-switched. Pulsed
laser energy is usually measured in:
a. Watts.
b. Volts.
d. Joules.
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MD0180
3-16