Exposure to 10 NCi for 10 Minutes Is More Hazardous

question 11

Multiple Choice

Exposure to 10 nCi for 10 minutes is more hazardous for a child than for an adult because

• A)the child's cells are dividing more rapidly than the adult's and are, therefore, more susceptible to the radiation.
• B)the child's smaller body size makes the effective dose larger for the child than for the adult.
• C)the child's immune system is not developed well enough to resist damage.
• D)the child's skin is not as thick as an adult's and cannot block as much radiation.
• E)None of these choices are correct.

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Definitions:

Abdomen

The part of the body that lies between the chest and the pelvis, containing most of the digestive system organs, among others.

Brachium

An anatomical term referring to the arm, specifically the upper arm from shoulder to elbow.

Sarcomere

The basic contractile unit of muscle fiber, responsible for the muscle's ability to contract and produce movement.

A Band

The dark area extending across the length of the sarcomere in muscle fibers, composed of thick myosin filaments along with portions of thin actin filaments.