Question

maria is concerned because she has been exposed to a small amount of radiation during an x - ray. what is her doctor most likely to tell her?
radiations from x - rays is not a mutagen.
mutagens have no effect on the body unless you have inherited them.
small amounts of a mutagen often do not have an effect on health.
severe mutations are usually caused by small amounts of a mutagen.

Explanation:

X - rays are mutagens, but small amounts of mutagens often do not cause health problems. Mutagens can affect the body whether inherited or not, and severe mutations are usually not caused by small amounts of mutagens.

Answer:

C. Small amounts of a mutagen often do not have an effect on health.