In Wilms' Tumor

question 32

Multiple Choice

In Wilms' tumor,

• A)heart cells divide as frequently as do cells in the skin.
• B)being exposed to cigarette smoke in the uterus causes lung cancer in infants.
• C)cells in a child's kidney divide as frequently as if they were still in a fetus.
• D)deletion of the retinoblastoma gene causes an eye tumor.

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Definitions:

Square

A polygon with four equal sides and four right angles; also, the mathematical operation of multiplying a number by itself.

Dimensional-analysis

A method in physics and engineering to check the consistency of equations involving physical quantities by tracking units and dimensions.

Seconds

The basic unit of time in the International System of Units (SI), equal to one sixtieth of a minute.

Hours

A period of time equal to a twenty-fourth part of a day and night and universally understood to be 60 minutes.