What Should the Nurse Be Aware of with Regard to Chromosome

question 12

Multiple Choice

What should the nurse be aware of with regard to chromosome abnormalities?

• A) They occur in approximately 10% of newborns.
• B) Abnormalities of number are the leading cause of pregnancy loss.
• C) Down syndrome is a result of an abnormal chromosome structure.
• D) Unbalanced translocation results in a mild abnormality that the child will outgrow.

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Definitions:

Hardness

The measure of a material's resistance to deformation, typically by indentation, abrasion, or cutting.

Streak

A long, thin line or mark of a different substance or color from its surroundings.

Cleavage

A property of minerals that allows them to break along smooth, flat surfaces based on their crystal structure.

Cleavage

A property of minerals that describes how they break along certain planes where their atomic bonding is weaker, resulting in smooth, flat surfaces.