A child can be diagnosed as having Kawasaki disease if he has:
- A. Fever > 3 days' duration, > 38°C
- B. Purulent conjunctivitis
- C. Thrombocytosis
- D. Polymorphous rash
Correct Answer: A
Rationale: Kawasaki disease is characterized by a fever lasting more than 3 days, which is a primary diagnostic criterion.
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Congenital toxoplasmosis is associated with:
- A. Microcephaly
- B. Chorioretinitis
- C. Sore throat
- D. Sacroileitis
Correct Answer: B
Rationale: Chorioretinitis is a common manifestation of congenital toxoplasmosis, often leading to vision problems and ocular abnormalities.
The nurse has provided home care instructions to the parents of a child who is being discharged after cardiac surgery. Which statement by the parents indicates a need for further instructions?
- A. “A balance of rest and exercise is important.â€
- B. “I can apply lotion or powder to the incision if it is itchy.â€
- C. “Activities in which my child could fall need to be avoided for 2-4 weeks.â€
- D. “We should avoid going to places like the mall or grocery stores for at least 2 weeks after surgery.â€
Correct Answer: B
Rationale: Applying lotion or powder to the incision can increase the risk of infection. Parents should be instructed to keep the incision clean and dry.
The nurse reviews the laboratory results for a child with a suspected diagnosis of rheumatic fever. The nurse knows that which laboratory study would assist in confirming the diagnosis?
- A. Immunoglobulin
- B. Red blood cell count
- C. White blood cell count
- D. Anti-streptolysin O titer
Correct Answer: D
Rationale: The Anti-streptolysin O titer is used to confirm a diagnosis of rheumatic fever as it indicates a recent streptococcal infection, which is a precursor to rheumatic fever.
A male client with pernicious anemia takes supplemental folate and self-administers monthly Vitamin B12 injections. He reports feeling increasingly fatigued. Which laboratory value should the nurse review?
- A. Complete blood count
- B. Serum ferritin level
- C. Serum potassium level
- D. Liver function tests
Correct Answer: A
Rationale: Fatigue in pernicious anemia may indicate inadequate treatment. A complete blood count helps assess hemoglobin and red blood cell levels.
The nurse is teaching parents about signs of digoxin (Lanoxin) toxicity. Which is a common sign of digoxin toxicity?
- A. Seizures
- B. Vomiting
- C. Bradypnea
- D. Tachycardia
Correct Answer: B
Rationale: Vomiting is a common sign of digoxin toxicity. Seizures are not associated with digoxin toxicity. The child will have a slower heart rate, not respiratory rate. The heart rate will be slower, not faster.
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