Which statement by an 8-year-old female client with asthma indicates that she understands using a peak expiratory flow meter?
"My peak flow meter can tell me if an asthma episode might be coming, even though I might still be feeling okay."
"always start with the meter reading about halfway up. That way, I don't waste any breath."
use my peak flow meter daily; I will not have an asthma attack."
"When I do my peak flow. I work best if I do three breaths without pausing between breaths."
The Correct Answer is A
A. This statement reflects a proper understanding of the peak flow meter’s purpose — it can help detect early changes in airway function before symptoms are felt, allowing for early intervention and improved asthma control.
B. This reflects a misunderstanding of the correct technique — the meter should be reset to zero before each use, and the child should use a full, fast breath to blow into the meter.
C. While daily monitoring is helpful, the peak flow meter does not prevent asthma attacks — this statement reflects false reassurance and misunderstanding.
D. Peak flow should be measured with a single, forceful breath, not multiple breaths — this indicates incorrect use of the device.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Bright red blood indicates active arterial bleeding, most likely from the femoral artery used during the cardiac catheterization. The first priority is to stop the bleeding. Direct pressure should be applied just above the puncture site to help control the bleeding and prevent further blood loss.
B. While notifying the Cath Lab may be necessary later, intervention to stop the bleeding must come first to ensure patient safety.
C. Contacting the Interventional Radiologist may eventually be required, but it is not the first action. Immediate pressure to control bleeding is more urgent.
D. Applying a bulky dressing alone without direct pressure is inadequate in managing arterial bleeding and may delay life-saving intervention.
Correct Answer is B
Explanation
Convert weight to kilograms:
30 lb ÷ 2.2 = 13.64 kg
Calculate dose in mg:
20 mg/kg × 13.64 kg = 272.8 mg per dose
Determine volume to administer:
If 125 mg = 5 mL, then:
(272.8 mg × 5 mL) ÷ 125 mg = 10.912 mL
Round to the nearest tenth:
10.912 mL ≈ 10.9 mL
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