Which of the Following Prenatal Diagnostic Tests Is Used During

question 42

Multiple Choice

Which of the following prenatal diagnostic tests is used during amniocentesis to locate the precise point for drawing a sample?

• A)Maternal blood screening
• B)Noninvasive prenatal diagnosis
• C)Chorionic villus sampling
• D)Ultrasound sonography

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Definitions:

Radical Intermediate

A highly reactive species with unpaired electrons formed during some chemical reactions.

Acid Catalyst

A substance that accelerates the rate of a chemical reaction by donating protons (H+ ions) but is not consumed in the reaction process.

Necessary Reagents

Specific substances or compounds required to initiate or carry out a given chemical reaction.

Racemic Mixture

A mixture of equal amounts of two enantiomers of a compound, which are mirror images of each other but not superimposable.