Which of the Following Occurs in the Placenta

question 50

Multiple Choice

Which of the following occurs in the placenta?

• A) All substances in maternal blood that may be harmful to the fetus are prevented from moving across the walls of the villi.
• B) Fetal blood and maternal blood mix.
• C) Eroding blood vessels in the endometrium bathe chorionic villi in pools of maternal blood.
• D) Hormones are absorbed to prevent them from influencing the developing fetus.
• E) The amnion and the chorion grow into the endometrium.

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Definitions:

Wilcoxon Signed-Rank Sum Test

This is a type of statistical test that doesn't rely on predefined parameters and is utilized to analyze whether two related samples, matched samples, or repeated measures on a single sample have differing population mean ranks.

Matched Pair

A technique in experimental design where pairs of subjects are closely matched based on certain key characteristics, and one subject from each pair is assigned to each experiment group.

Nonzero Differences

Variations or disparities in data that are distinct from zero, indicating a measurable change or effect.

Parametric T-Test

A statistical test used to compare the means of two samples, assuming that the underlying populations have a normal distribution and known variance.