A client with acute renal injury (AKI) who weighs 50 kg and has a potassium level of 6.7 mEq/L (6.7 mmol/l) is admitted to the hospital. Which prescribed medication should the nurse administer first?
- A. Sevelamer (RenaGel) one tablet PO.
- B. Epoetin alfa, recombinant (Epogen) 2,500 units SUBQ
- C. Sodium polystyrene (Kayexalate) 15 grams PO
- D. Calcium acetate (Phos-Lo) one tablet PO
Correct Answer: C
Rationale: Sodium polystyrene (Kayexalate) helps remove excess potassium, which is the priority concern in AKI with elevated potassium.
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A toddler who has been hospitalized for vomiting due to gastroenteritis is sleeping and difficult to wake up. Assessment reveals: HR: 220 beats per minute (regular) Respiratory rate: 30 per minute BP: 84/52 Capillary refill: 3 seconds Which dysrhythmia does the nurse suspect in this child?
- A. Rapid pulmonary flutter
- B. Sinus bradycardia
- C. Rapid atrial fibrillation
- D. Supraventricular tachycardia (SVT)
Correct Answer: D
Rationale: SVT is typically above 200 beats per minute and can result from dehydration; the rapid rate causes low cardiac output (CO), resulting in low BP and prolonged capillary refill.
Of the following, the cardiac lesion resulting in increased volume load is
- A. valvular pulmonic stenosis
- B. patent ductus arteriosus
- C. valvular aortic stenosis
- D. mitral stenosis
Correct Answer: B
Rationale: Patent ductus arteriosus leads to increased volume load on the left side of the heart.
Chest pain in pediatric patients often generates a significant amount of parental concern. Of the following, the MOST common cause is
- A. myocarditis
- B. pericarditis
- C. pneumonia
- D. pleurisy
Correct Answer: C
Rationale: Chest pain in children is most commonly caused by non-cardiac conditions such as pneumonia or pleurisy.
A client with Addison's disease started taking hydrocortisone in a divided daily dose last week. It is most important for the nurse to monitor which serum laboratory value?
- A. Osmolarity
- B. Glucose
- C. Albumin
- D. Platelets
Correct Answer: B
Rationale: Hydrocortisone can affect blood glucose levels, making it important to monitor for hyperglycemia.
The following are suggestive of abnormal language development:
- A. Not localising sound at 4 months of age
- B. No response to human words at 6 weeks
- C. Not understanding 'no' at 18 months of age
- D. Does not move to music at 2 years of age
Correct Answer: C
Rationale: Failure to understand simple commands like 'no' by 18 months is a red flag for abnormal language development.