Nokea
Appropriate investigations in the emergency management of a 4-year-old presenting in a coma:
- A. Serum magnesium level
- B. Throat swabs
- C. Arterial blood gas
- D. CT scan
Correct Answer: C
Rationale: Arterial blood gas analysis is crucial in the emergency management of a comatose child to assess oxygenation, ventilation, and acid-base status.
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Inability to do which of the following in a 20-month child is cause for concern?
- A. Speak in clear two to three word phrases
- B. Walk unaided
- C. Kick a ball
- D. Build a tower of 8 blocks
Correct Answer: B
Rationale: Inability to walk unaided by 20 months is a red flag for developmental delay. Other skills are more variable and less concerning if delayed.
Features differentiating renal tubular acidosis type II from type I include:
- A. Increased anion gap
- B. Nephrocalcinosis
- C. Urinary pH can be lowered < 5.5 in ammonium chloride loading test in type I
- D. Aminoaciduria
Correct Answer: C
Rationale: In type I renal tubular acidosis, urinary pH can be lowered below 5.5 during an ammonium chloride loading test, unlike in type II.
Causes of uveitis include:
- A. Diabetes
- B. Behçet's disease
- C. Ankylosing spondylitis
- D. Rheumatic fever
Correct Answer: B
Rationale: Behçet's disease, a systemic vasculitis, is a known cause of uveitis, an inflammation of the uvea in the eye.
Treatment for congestive heart failure (CHF) in an infant began 3 days ago and has included digoxin and furosemide. The child no longer has retractions, lungs are clear, and HR is 96 beats per minute while sleeping. The nurse is confident that the child has diuresed successfully and has good renal perfusion when the nurse notes the child's urine output is:
- A. 0.5 cc/kg/hr
- B. 1 cc/kg/hr
- C. 30 cc/hr
- D. 1 oz/hr
Correct Answer: B
Rationale: Normal pediatric urine output is approximately 1 cc/kg/hr.
Atypical hemolytic uremic syndrome is associated with
- A. Factor VII deficiency
- B. Factor H deficiency
- C. Interleukin 10 deficiency
- D. Properdin deficiency
Correct Answer: B
Rationale: Factor H deficiency is a known cause of atypical hemolytic uremic syndrome.