Nokea
A child comes to the clinic with a skin rash. The maculopapular lesions are distributed around the mouth and have honey-colored drainage. The caregiver states that the rash is getting worse and seems to spread with the child's scratching. Which of the following advisory comments should be given?
- A. The history and presentation might indicate chickenpox, a highly contagious disease.
- B. The lesions might indicate a noncontagious infection that does not require isolation.
- C. The history and presentation might indicate an infectious illness called impetigo.
- D. The lesions are not contagious unless others have open wounds or lesions themselves.
Correct Answer: C
Rationale: The scenario describes classic impetigo for which the physician is likely to order antibiotic therapy. Chickenpox is highly contagious but presents with a history of high fever followed by a vesicular rash.
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A Roman Catholic client is preparing to have magnetic resonance imaging. He wants to wear his metal crucifix pendant while he is receiving the test. Which of the following is an appropriate response by the nurse?
- A. Because it gives you comfort, you may wear it
- B. It is a violation of religious rights to forbid it
- C. I am sorry, but it is not safe for you to wear the crucifix during this test
- D. You may wear it because it is important to you
Correct Answer: C
Rationale: No metal objects, including religious pendants, can be worn during MRI due to safety risks from the strong magnet. Alternative spiritual support should be offered.
Which of the following is not a function of parathyroid hormone?
- A. moving calcium from bones to the bloodstream
- B. promoting renal tubular reabsorption of phosphorus
- C. promoting renal tubular reabsorption of calcium
- D. enhancing renal production of vitamin D metabolites
Correct Answer: B
Rationale: Parathyroid hormone depresses renal tubular reabsorption of phosphorus. All of the other choices are functions of parathyroid hormone.
A nurse is caring for a patient who has experienced burns to the right lower extremity. According to the Rule of Nines which of the following percents most accurately describes the severity of the injury?
- A. 36%
- B. 27%
- C. 18%
- D. 9%
Correct Answer: C
Rationale: Each lower extremity is scored as 18% according to the Rule of Nines, which estimates burn severity.
Which of the following medications might cause upper-gastrointestinal (UGI) bleeding?
- A. Cardizem (diltiazem)
- B. Naprosyn (naproxen)
- C. Elavil (amitriptyline)
- D. Corgard (nadolol)
Correct Answer: B
Rationale: Naprosyn, an NSAID, can irritate the gastric mucosa, increasing the risk of UGI bleeding, unlike the other medications, which are less associated with this risk.
A client begins bleeding from the site of a previous arterial blood gas draw on the right wrist. What should the nurse do first?
- A. Check the blood count.
- B. Apply pressure to the site.
- C. Document the bleeding.
- D. Monitor the bleeding.
Correct Answer: B
Rationale: If a client begins bleeding from the site of a previous arterial blood gas draw on the right wrist, the nurse should first apply pressure to the site. This prevents further bleeding. The remaining choices can be performed later.