Which of the Following Statements Correctly Describes How Normal Tissues

question 29

Multiple Choice

Which of the following statements correctly describes how normal tissues are protected from the harmful side effects of x-rays?

• A)Lead aprons are placed around the area that is to be irradiated.
• B)Larger doses of radiation are given in a shorter period of time.
• C)Narrow radiation beams are aimed at several angles to intersect at the target tumor.
• D)Smaller doses of radiation are given over a longer period of time.
• E)Radiation is given in cycles, 3 weeks on and one week off, to allow tissues to heal.

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Definitions:

Elasticity

A measure of how much the quantity demanded or supplied of a good changes in response to a change in price or other economic variable.

Buyer

A person or entity that purchases goods or services from another in exchange for money.

Tax

A non-optional financial assessment or alternate form of contribution demanded from a taxpayer by a governmental administration for the purpose of allocating funds for government usage and various public expenditure needs.

Market Period

A very short period of time in which the supply of a good is fixed, typically because the time frame is too short to alter production.