EXERCISES, LESSON 4
INTRUCTIONS. The following exercises are to be answered by marking the lettered
response that best answers the Question, or by completing the incomplete statement, or
by writing the answer in the space provided at the end of the Question.
After you have completed all the exercises, turn to "Solutions to Exercises," at
the end of the lesson and check your answers with the Academy solutions.
Fuses in an x-ray machine will provide protection primarily for:
a. The specialist.
b. The patient.
d. The machine.
Which of the following best describes the manner in which a circuit breaker works?
a. Opens circuit to prevent excessive overloads.
b. Keeps the anode from revolving too fast.
d. Closes the contact switch automagnetically.
Wet hands increase the danger of:
d. DNA disturbance.