The nurse is caring for a toddler with a large, unrepaired ventricular septal defect and heart failure.
What assessment finding should the nurse expect?
Blood pressure variance across extremities.
Hypotension.
Tachycardia.
Pulse oximetry reading within defined limits.
Pulse oximetry reading within defined limits.
The Correct Answer is C
Choice A rationale
Blood pressure variance across extremities is not typically associated with unrepaired ventricular septal defect and heart failure in a toddler.
Choice B rationale
Hypotension is not a typical finding in toddlers with unrepaired ventricular septal defect and heart failure.
Choice C rationale
Tachycardia, or a fast heart rate, is a common symptom in toddlers with unrepaired ventricular septal defect and heart failure. This is because the heart has to work harder to pump blood through the body.
Choice D rationale
While a pulse oximetry reading within defined limits is ideal, it is not a typical finding in toddlers with unrepaired ventricular septal defect and heart failure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["25"]
Explanation
Answer and explanation
Step 1 is to convert the child’s weight from pounds to kilograms since the dosage is prescribed in mg/kg. We know that 1 kg is approximately 2.2 lbs. So, the child’s weight in kg is 55 lbs ÷ 2.2 = 25 kg (rounded to the nearest whole number for simplicity).
Step 2 is to calculate the total daily dosage. The prescription is for isoniazid 10 mg/kg/day. So, the total daily dosage in mg is 10 mg/kg/day × 25 kg = 250 mg/day.
Step 3 is to calculate the volume of the oral solution to administer. The bottle is labeled, “Isoniazid Oral Solution, USP 50 mg per 5 mL.”. So, the volume in mL to administer is (250 mg/day ÷ 50 mg) × 5 mL = 25 mL. Therefore, the nurse should administer 25 mL of the Isoniazid Oral Solution, USP 50 mg per 5 mL, once a day.
Correct Answer is B
Explanation
Choice A rationale
Seizure activity typically presents with symptoms such as convulsions, loss of consciousness, or abnormal behavior, which are not described in the scenario.
Choice B rationale
Arrhythmia, or an abnormal heart rhythm, could potentially cause a sudden drop in oxygen saturation and cyanosis. It could also lead to a rapid response team being called.
Choice C rationale
Increased oxygen demand could potentially lead to low oxygen saturation. However, it would not typically cause cyanosis or require the rapid response team to be called unless it was associated with another condition such as heart or lung disease.
Choice D rationale
Acidosis, or a high level of acid in the body, could potentially cause low oxygen saturation. However, it would not typically cause cyanosis or require the rapid response team to be called unless it was severe or associated with another condition.
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