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 D
Explanation
“Implantation occurs between two and three weeks after conception.” This statement is incorrect because implantation usually occurs about 6 to 10 days after conception.
Choice A is correct because bleeding or spotting can accompany implantation.
Choice B is correct because sperm can remain viable in the woman’s reproductive tract for 2 to 3 days.
Choice C is correct because fertilization typically takes place in the outer third of the fallopian tube.
Correct Answer is A
Explanation
Muscular dystrophies are disorders associated with progressive degeneration of muscles, resulting in relentless and increasing weakness.
This is a general description of muscular dystrophy, a group of genetic diseases that affect different types of muscles and cause various degrees of disability.
Children with muscular dystrophy may experience frequent falls, difficulty walking or running, muscle pain, learning difficulties, and breathing problems.
There is no cure for muscular dystrophy, but treatments can help manage symptoms and slow down the progression of the disease.
Choice B.
The extent of degeneration depends on performing daily physical therapy is incorrect, as physical therapy cannot prevent or reverse the degeneration of muscles caused by muscular dystrophy.
Physical therapy can help maintain muscle strength and flexibility, prevent contractures and deformities, and improve mobility and function.
Choice C.
The child will be able to function normally and require no special accommodations is incorrect, as muscular dystrophy affects the child’s ability to perform daily activities and may require assistive devices, such as braces, wheelchairs, or ventilators.
The child may also need special education services, occupational therapy, speech therapy, or psychological counseling to cope with the disease.
Choice D.
The weakness that the child is currently experiencing will probably not increase incorrectly, as muscular dystrophy is a progressive disease that causes muscle weakness to worsen over time.
The rate and severity of progression may vary depending on the type and subtype of muscular dystrophy.
Therefore, choice A is the best answer to this question.
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