2. When the current in the hot wire and the neutral wire becomes unequal, the circuit
opens up in the hot wire.
3. Chest or the surface of the heart
9. Two types of radiation injury are: external irradiation where the radiation is absorbed
by the body but the patient is not radioactive and later recovers (e.g., burns); radioactive
contamination, in which, for example, the victim’s skin becomes contaminated or
radioactive material is ingested through the lungs or open wounds, and which can lead to
incorporation of radioactive material throughout the body.
10 c) Material safety data sheet
PROBLEMS ANSWERS:
Students should research the answers for Problems 1–5 on their own.
6. Matching:
CHAPTER 20
QUIZ ANSWERS:
1. c) Both a and b
1. Leakage current f. stray current to the chassis
2. Grounding conductor in a power cord a. a path for leakage current