Blood Returns to the Heart from Systemic Circulation Through The

question 8

Multiple Choice

Blood returns to the heart from systemic circulation through the:

• A) aorta.
• B) venae cavae.
• C) pulmonary arteries.
• D) pulmonary veins.

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Definitions:

Null

Usually referring to the null hypothesis, it's a statement suggesting no significant effect or difference in a clinical or experimental study.

Alpha

In hypothesis testing, the probability of making a Type I error; the significance level set before conducting a test.

Alternative

Refers to the alternative hypothesis in statistical testing, which contrasts the null hypothesis by suggesting there is a significant effect or difference.

T-statistic

A ratio used in hypothesis testing that compares the difference between an observed sample mean and a hypothetical population mean to the standard error of the mean.