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.

Answer and Explanation

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.

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Correct Answer is C

Explanation

Amniotic fluid helps cushion the baby12.
It acts as a shock absorber and protects the fetus from injury should the mother’s abdomen be subject to trauma or sudden impact.
Choice A is incorrect because the amniotic fluid does not provide oxygen to the fetus.
Oxygen is provided to the fetus through the umbilical cord.
Choice B is incorrect because amniotic fluid is not how the baby is fed. The baby receives nutrients through the umbilical cord.
Choice D is incorrect because while amniotic fluid does have some antibacterial properties2, it does not prevent viruses from passing to the baby.

A. A client who has a blood pressure of 140/90 mm Hg. B. A client who has a menstrual cycle every 14 days. C. A client who has a hematocrit of 39%. D. A 15-year-old client who has acne.

Correct Answer is A

Explanation

A client who has a blood pressure of 140/90 mm Hg. Hypertension is a contraindication to oral contraceptives.
Choice B is incorrect because having a menstrual cycle every 14 days is not a contraindication to oral contraceptives.
Choice C is incorrect because having a hematocrit of 39% is not a contraindication to oral contraceptives.
Choice D is incorrect because being 15 years old and having acne is not a contraindication to oral contraceptives.

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Naxlex Comprehensive Predictor Exams

The nurse is teaching a prenatal class on the functions of the various structures involved with pregnancy. The nurse determines the class is successful when the class correctly chooses which function of amniotic fluid.

Correct Answer is C

Explanation

A nurse is reviewing contraception options for four clients. The nurse should identify which of the following clients as having a contraindication to oral contraceptives.

Correct Answer is A

Explanation

A nurse is collecting data from a client who has skeletal traction. Which of the following findings should the nurse identify as an indication of infection at the pin sites?

A nurse is caring for a client who has acute osteomyelitis. The client asks the nurse to explain how she developed the infection. The nurse should respond that which of the following organisms is the most common cause?

A nurse in a prenatal clinic overhears a newly licensed nurse discussing conception with a client. Which of the following statements by the newly licensed nurse requires intervention by the nurse?

The nurse is teaching family members of a child newly diagnosed with muscular dystrophy about early signs. The nurse knows that teaching was successful when a parent states that which of the following signs may indicate the condition early?

The parents are questioning why their newborn was born deaf when there are no other deaf family members. At which stage of the pregnancy could the nurse explore possible exposure to a teratogenic agent?

A nurse is selecting a toy for a 7-month-old infant. Which of the following toys should the nurse choose?

A nurse is reinforcing teaching about common discomforts of pregnancy during the first trimester with a client who is pregnant. Which of the following manifestations should the nurse include in the teaching?

A school nurse is screening an 11-year-old child for idiopathic scoliosis. Which of the following instructions should the nurse give the child for this examination?