Chorionic Villi Sampling Is a Procedure That

question 89

Multiple Choice

Chorionic villi sampling is a procedure that

• A) can be administered at the ninth or tenth week of pregnancy, considerably earlier than amniocentesis.
• B) removes cells from the amniotic fluid for biopsy during the early months of pregnancy.
• C) is typically performed at 16 weeks, considerably later than amniocentesis.
• D) is typically done just before birth to detect any complications.

---

Definitions:

Experimental Method

A research technique in which a researcher manipulates one variable and observes the effect of that manipulation on another variable, establishing cause and effect relationships.

Precise Control

The ability to regulate variables or processes with high accuracy and specificity in order to achieve a desired outcome.

Real Life

Experiences, events, and activities that occur in the physical world, outside of digital or imagined spaces.

Dependent Variable

In research, the variable that is measured or observed to determine the effect of the independent variable.