Blood Returns to the Fetus from the Placenta Via the

question 32

Multiple Choice

Blood returns to the fetus from the placenta via the

• A) umbilical arteries.
• B) umbilical vein.
• C) lacunae.
• D) chorionic villi.

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Definitions:

Null Hypothesis

The null hypothesis is a statement or assumption that there is no effect or no difference, serving as the default or starting assumption in statistical hypothesis testing.

Normal Approximation

A method used in statistics to approximate binomial distributions with normal distributions when sample sizes are large, under certain conditions.

Binomial

A statistical distribution that represents the number of successes in a fixed number of trials, with each trial having two possible outcomes.

Population Proportions

The percentage or fraction of individuals in a population that exhibit a particular attribute or characteristic.