Which of the Following Prenatal Diagnostic Tests Uses a Sample

question 63

Multiple Choice

Which of the following prenatal diagnostic tests uses a sample of the placenta to detect genetic and chromosomal abnormalities in the fetus?

• A)amniocentesis
• B)chorionic villus sampling
• C)noninvasive prenatal diagnosis
• D)ultrasound sonography

---

Definitions:

Exterior Surface

The outermost boundary or layer of an object, material, or geometrical space that is exposed to the environment or another medium.

Hydrophilic

Describes molecules or substances that have a strong affinity for water, often because of the presence of polar groups.

Surface Carboxylate Groups

Functional groups on a solid surface where a carbon atom is double-bonded to an oxygen atom and single-bonded to another oxygen atom that is in turn bonded to a metal or hydrogen, typically present on surfaces for chemical reactivity.

Intermolecular Interaction

Forces that mediate between molecules, including hydrogen bonds, van der Waals forces, and dipole interactions, important in determining physical properties.