An infant with congestive heart failure is receiving digoxin (Lanoxin). What does the nurse recognize as a sign of digoxin toxicity?
Increased urinary output
Vomiting
Restlessness
Decreased respiratory rate
The Correct Answer is B
A. Increased urinary output: This may indicate improved renal perfusion or diuresis, not toxicity.
B. Vomiting: Vomiting, especially without other explanation, is an early and common sign of digoxin toxicity in infants.
C. Restlessness: May occur due to hypoxia or discomfort but is not a specific sign of toxicity.
D. Decreased respiratory rate: Not a hallmark sign of digoxin toxicity and may be more concerning for impending respiratory failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["3.8"]
Explanation
Convert weight: 22 lb ÷ 2.2 = 10 kg
Total daily dose: 1.5 mg/kg × 10 kg = 15 mg/day
Divided every 6 hr = 4 doses/day → 15 mg ÷ 4 = 3.75 mg/dose
1 mg/mL solution → 3.75 mg = 3.8 mL (rounded to nearest tenth)
Correct answer: 3.8 mL per dose
Correct Answer is ["B","C","D","E"]
Explanation
A. Lymphadenopathy: Refers to enlarged lymph nodes, commonly due to infection or malignancy, not bleeding.
B. Purpura: Purplish discolorations caused by bleeding under the skin; commonly seen with thrombocytopenia.
C. Ecchymosis: Bruising resulting from bleeding under the skin.
D. Hematoma: Collection of blood outside blood vessels, often due to trauma and platelet dysfunction.
E. Petechiae: Tiny pinpoint hemorrhages under the skin, common in low platelet counts.
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