Nokea
Which assessment indicates that the parent of a 7-year-old is following the prescribed treatment for congestive heart failure (CHF)?
- A. HR of 56 beats per minute
- B. Elevated red blood cell count
- C. 50th percentile height and weight for age
- D. Urine output of 0.5 cc/kg/hr
Correct Answer: C
Rationale: Normal growth (50th percentile) indicates good nutrition and overall health, suggesting that CHF is well controlled.
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In urgent situations of supraventricular tachycardia (SVT) when symptoms of severe heart failure have already occurred, the initial management is
- A. adenosine by rapid intravenous push
- B. DC cardioversion
- C. verapamil
- D. digoxin
Correct Answer: B
Rationale: DC cardioversion is the preferred initial management in hemodynamically unstable SVT.
Sinus bradycardia in neonates is considered if sinus rate is
- A. <100 beats/min
- B. <90 beats/min
- C. <80 beats/min
- D. <70 beats/min
Correct Answer: A
Rationale: Sinus bradycardia in neonates is typically defined as a heart rate <100 beats/min.
The following enzymes and inhibitors are matched correctly:
- A. Xanthine oxidase-allopurinol
- B. Enolase-fluoride
- C. Cholinesterase-physostigmine
- D. Ceruloplasmin-penicillamine
Correct Answer: A
Rationale: Xanthine oxidase-allopurinol: Allopurinol inhibits xanthine oxidase, which plays a role in purine metabolism, and is used to treat gout and prevent uric acid buildup.
A client with acquired immunodeficiency syndrome (AIDS) has impaired gas exchange from a respiratory infection. Which assessment finding warrants immediate intervention by the nurse?
- A. Elevated temperature
- B. Generalized weakness
- C. Diminished lung sounds
- D. Pain when swallowing
Correct Answer: D
Rationale: Pain when swallowing could indicate an opportunistic infection such as candidiasis, which requires prompt treatment.
All of the following reduces intensity of first heart sound (S1) except
- A. Mechanical ventilation
- B. Calcific mitral stenosis
- C. Short PR interval
- D. LV dysfunction
Correct Answer: B
Rationale: Calcific mitral stenosis typically increases the intensity of the first heart sound (S1).