The nursing instructor is preparing to illustrate the various changes between the nonpregnant and pregnant female bodies.
The instructor should point out that the blood volume in the pregnant woman can increase by what percentage?
20% to 25%.
40% to 45%.
50% to 55%.
30% to 35%.
The Correct Answer is B
Blood volume increases significantly within the first few weeks of gestation and increases progressively throughout the pregnancy.
The total blood volume increase varies from 20% to 100% above prepregnancy levels, usually close to 45%1.
Choice A is incorrect because the increase is usually close to 45%, not 20% to 25%.
Choice C is incorrect because the increase is usually close to 45%, not 50% to 55%.
Choice D is incorrect because the increase is usually close to 45%, not 30% to 35%.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Radiographs are vital to the diagnosis of Legg-Calve-Perthes disease.
Initial X-rays might look normal because it can take one to two months after symptoms begin for the changes associated with Legg-Calve-Perthes disease to become evident on X-rays.
The doctor will likely recommend several X-rays over time, to track the progression of the disease.
Bone biopsy is not a diagnostic procedure for Legg-Calve-Perthes disease.
MRI can visualize bone damage caused by Legg-Calve-Perthes disease more clearly than X-rays can but are not always necessary.
Genetic testing is not a diagnostic procedure for Legg-Calve-Perthes disease.
Correct Answer is D
Explanation
This can help prevent stomach acid from moving up into the esophagus and causing heartburn at night.
Choice A is not correct because exercise is generally safe during pregnancy and can have many benefits.
Choice B is not correct because sodium bicarbonate may not be safe for pregnant women to take.
Choice C is not correct because heartburn during pregnancy is common and usually does not require emergency medical care.
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