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 A
Explanation
The correct answer is a. Positive Moro reflex.
Choice A reason:
Positive Moro reflex: This reflex should disappear by 6 months of age. Its presence at 9 months indicates potential neurological issues.
Choice B reason:
Negative Doll’s eye reflex: This reflex, indicating brainstem function, should be positive in infants. A negative result suggests severe brainstem dysfunction
Choice C reason:
Positive Babinski reflex: This reflex is normal up to 2 years of age. It indicates normal neurological development in infants.
Choice D reason:
Negative Crawl reflex: Crawling typically develops between 6-10 months. A negative crawl reflex at 9 months could indicate developmental delays
Correct Answer is D
Explanation
True labor contractions continue and become stronger over time.
Choice A is incorrect because true labor contractions are usually regular and become longer over time.
Choice B is incorrect because true labor contractions are usually not relieved by walking.
Choice C is incorrect because, during true labor, the cervix dilates to allow for the baby to pass through the birth canal.
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