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 C
Explanation
By 3 months old, most babies can lift their heads and chest up from a belly-down position.
Choice A is not correct because it is normal for a 3-month-old infant to be unable to roll from back to abdomen.
Choice B is not correct because it is normal for a 3-month-old infant to be unable to use a pincer grasp to pick up objects.
Choice D is not correct because it is normal for a 3-month-old infant to be unable to sit without support.
Correct Answer is C
Explanation
A child with autism spectrum disorder may have problems with social communication and interaction, including ignoring a caregiver who offers them a snack.
Choice A is incorrect because crying and stomping feet after another child takes a toy is normal behavior for a 2- or 3-year-old child.
Choice B is incorrect because repeating an action over and over is not necessarily indicative of autism spectrum disorder.
Choice D is incorrect because flipping a light switch off and on until asked to stop and join other children in playing is not necessarily indicative of autism spectrum disorder.
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