The nurse measuring an infant's blood pressure finds it is higher in the arms than the legs. The finding is associated with which congenital heart defect?
Coarctation of the aorta
Hypoplastic left heart syndrome
Tetralogy of Fallot
Patent ductus arteriosus
The Correct Answer is A
A. Coarctation of the aorta: This condition involves narrowing of the aorta, usually after the vessels that supply the upper body. This leads to higher blood pressure in the arms and lower in the legs.
B. Hypoplastic left heart syndrome: This defect involves underdevelopment of the left side of the heart, leading to systemic hypoperfusion, not blood pressure discrepancies between limbs.
C. Tetralogy of Fallot: This is a cyanotic defect with right-to-left shunting and does not cause significant arm-leg BP discrepancies.
D. Patent ductus arteriosus: PDA causes left-to-right shunting but generally does not lead to higher arm than leg blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Cardiovascular: Kawasaki disease is a systemic vasculitis that primarily affects the cardiovascular system. It can lead to complications like coronary artery aneurysms and myocarditis.
B. Integumentary: Although the disease presents with skin symptoms (rash, peeling), they are secondary manifestations.
C. Gastrointestinal: GI symptoms may occur but are not the main focus.
D. Respiratory: Kawasaki disease does not primarily involve the respiratory system.
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
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