Nokea
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.
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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.
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 cultural group has the highest incidence of inflammatory bowel disease (IBD)?
- A. Asians
- B. Caucasians
- C. Hispanics
- D. African Americans
Correct Answer: B
Rationale: Caucasians have the highest incidence of inflammatory bowel disease (IBD).
A patient has a history of cardiac arrhythmia. A nurse has been ordered to give 2 units of blood to this patient. The nurse should take which of the following actions?
- A. Prep the patient with pain medication.
- B. Notify the patient's family about the procedure via the telephone.
- C. Decrease the temperature of the blood to be given.
- D. Increase the temperature of the blood to be given.
Correct Answer: D
Rationale: Warming the blood will reduce the risk of additional cardiac arrhythmia.
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.