A 5-year-old boy was diagnosed with Duchenne muscular dystrophy less than 18 months ago.
The client presents with fatigue, and muscular weakness and is having difficulty running, and often falls majority of his attempts.
Which of the following would the nurse expect to be elevated in Duchenne muscular dystrophy?
Lactate Dehydrogenase.
C-Reactive Protein.
Erythrocyte sedimentation rate.
Creatine kinase.
The Correct Answer is D
In patients with Duchenne muscular dystrophy (DMD), creatine kinase levels are often increased to levels that are 50-100 times the reference range.
Choice A is incorrect because lactate dehydrogenase is not typically elevated in DMD.
Choice B is incorrect because C-reactive protein is not typically elevated in DMD.
Choice C is incorrect because the erythrocyte sedimentation rate is not typically elevated in DMD.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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%.
Correct Answer is C
Explanation
A nurse caring for a toddler who had a cast applied 2 hours ago due to multiple fractures of the right hand should report immediately to the charge nurse if the fingers on the right hand have a capillary refill of 4 seconds.
This could indicate that there is a problem with circulation.
Choice A is not an answer because it is not unusual for a child to not attempt to move her right arm or fingers after having a cast applied.
Choice B is not an answer because it is not unusual for the fingertips of the right hand to be swollen and bruised after having a cast applied.
Choice D is not an answer because it is not unusual for a child to not keep their arm elevated on a pillow after having a cast applied.
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