Which Analysis of Maternal Serum May Predict Chromosomal Abnormalities in the Fetus

question 21

Multiple Choice

Which analysis of maternal serum may predict chromosomal abnormalities in the fetus?

• A) Multiple-marker screening
• B) L/S ratio
• C) BPP
• D) Blood type and crossmatch of maternal and fetal serum

---

Definitions:

External Validity

The degree to which a study's findings can be applied to different situations and various individuals.

Extraneous Variables

Variables that can influence the outcome of an experiment but are not the variables being studied.

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa.

Qualitative Research

A research methodology that seeks to understand phenomena through the collection and analysis of non-numerical data, such as interviews and observations.