With Regard to the After Birth Changes and Developments in a Woman's

question 22

Multiple Choice

With regard to the after birth changes and developments in a woman's cardiovascular system,nurses should be aware that:

• A) cardiac output, the pulse rate, and stroke volume all return to prepregnancy normal values within a few hours of childbirth.
• B) respiratory function returns to nonpregnant levels by 6 to 8 weeks after birth.
• C) the lowered white blood cell count after pregnancy can lead to false-positive results on tests for infections.
• D) a hypercoagulable state protects the new mother from thromboembolism, especially after a cesarean birth.

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Definitions:

Variances Are Equal

An assumption in certain statistical tests that the variability in groups or conditions being compared is roughly the same.

Group Difference

The observed variance or deviation between two or more groups in a study, measured in terms of the dependent variable.