A nurse is caring for a preschooler who has heart failure and a new prescription for furosemide 4 mg/kg every 8 hr. The child weighs 16 kg (35 lb). Available is furosemide oral solution 40 mg/5 mL. How many mL should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["8"]
Calculation:
- Calculate the desired dose in milligrams (mg) per administration.
Desired dose (mg) = 4 mg/kg × 16 kg
= 64 mg.
Available concentration of the medication = 40 mg/5 mL.
- Calculate the volume in milliliters (mL) to administer per dose.
Volume (mL) = Desired dose (mg) / (Available concentration (mg) / Available volume (mL))
= 64 mg / (40 mg / 5 mL)
= 8 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A school-age child who has Haemophilus influenzae type b disease: Haemophilus influenzae type b typically requires droplet precautions, not contact precautions, unless the infection is invasive like meningitis.
B. An adolescent who has pneumonia: Pneumonia caused by most pathogens does not require contact precautions unless there are specific indications such as a highly contagious organism or a superimposed infection that mandates isolation.
C. An infant who has respiratory syncytial virus (RSV): RSV is highly contagious and spreads through respiratory secretions. Contact precautions are necessary to prevent transmission, especially in healthcare settings.
D. A preschooler who has tuberculosis: TB is transmitted through the air via respiratory droplets, so airborne precautions (including a negative pressure room and an N95 respirator) are necessary to prevent transmission.
Correct Answer is A
Explanation
A. Buck extension: Buck extension traction is commonly used for lower extremity fractures, particularly those involving the femur or hip in adolescents. It is a type of skin traction that helps to relieve muscle spasms and align the bone during the healing process.
B. Cervical skin: Cervical skin traction, such as a head halter, is used to provide traction to the cervical spine (neck) for conditions like muscle spasms or minor cervical fractures. It is not used for lower extremity fractures, as it applies force to the head and neck.
C. Dunlop: Dunlop traction is a type of skin traction specifically used for supracondylar fractures of the humerus in children. It involves the arm being positioned at a right angle to the body with traction applied in two directions. It is not indicated for lower extremity fractures..
D. Bryant: Bryant's traction is used primarily for young children with hip fractures or congenital hip issues. It involves elevating the buttocks off the bed and is not typically prescribed for adolescents with lower extremity fractures.
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