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 A

Explanation

The umbilical vein carries oxygen-rich blood to the fetus from the placenta.
The umbilical vein is an important part of fetal circulation and carries oxygenated blood from the placenta into the growing fetus.

Choice B is incorrect because the two umbilical arteries carry deoxygenated blood from the fetus to the placenta23.
Choice C is incorrect because there are not two umbilical veins, but only one12.
Choice D is incorrect because it is not the one umbilical artery that carries oxygen-rich blood to the fetus from the placenta, but rather the one umbilical vein14.

A. Staphylococcus aureus. B. Pseudomonas aeruginosa. C. Streptococcus D. Escherichia coli.

Correct Answer is A

Explanation

Staphylococcus aureus is the most common cause of acute osteomyelitis.
Osteomyelitis is an infection of the bone that can be caused by a variety of microorganisms, including bacteria, fungi, and mycobacteria.

Staphylococcus aureus is present in more than 50% of patients with osteomyelitis that results from contiguous spread from adjacent infected tissue or open wounds.
Choice B is not an answer because Pseudomonas aeruginosa is a less common cause of osteomyelitis and is more commonly seen in injection drug users.
Choice C is not an answer because Streptococcus B is not a common cause of osteomyelitis.
Choice D is not an answer because Escherichia coli is not a common cause of osteomyelitis.

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Naxlex Comprehensive Predictor Exams

The nursing instructor is illustrating the circulatory flow between the mother and fetus. The instructor determines the session is successful when the class correctly chooses which structure with which route.

Correct Answer is A

Explanation

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?

Correct Answer is A

Explanation

The nurse is conducting an annual examination on a young female who reports her last menses was 2 months ago. Although the client insists she is not pregnant due to a negative home pregnancy test, which assessment should the nurse prioritize to assess for a possible pregnancy?

A nurse is collecting data from a 6-month-old infant in the well-child clinic. Which of the following findings should the nurse expect?

A nurse is collecting data from a child who is descending stairs by placing both feet on each step and holding on to the railing. This behavior is developmentally appropriate at which of the following ages?

The nurse is caring for a 4-week-old baby. Mom reports the baby is breech. What screening test would help rule out a hip problem related to babies who are breech?

A nurse is caring for a toddler who had a cast applied 2 hours ago due to multiple fractures of the right hand. Which of the following findings should the nurse report immediately to the charge nurse?

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.

The nurse is collecting data from the caregiver of an 8-year-old child who recently started soiling his underwear each day rather than using the toilet to defecate. This behavior indicates a symptom of:

A nurse is caring for a 2-week-old infant whose mother requests additional information about sudden infant death syndrome (SIDS). Which of the following responses should the nurse make?