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 B
Explanation
A. "I will collect the first drop of blood by wiping it on the test strip." The first drop of blood should be wiped away with a clean cotton ball or gauze. This is because the first drop can contain interstitial fluid that may dilute the sample and lead to an inaccurate reading.
B. "I will stick the side of my finger with the lancet instead of the center." Sticking the side of the fingertip is less painful and allows for better blood flow compared to the center of the fingertip, which is often more sensitive.
C. “I will hold the lancet at a 45-degree angle when piercing my skin.” The lancet should typically be held at a 90-degree angle (straight) when piercing the skin, not at a 45-degree angle. A correct angle ensures proper blood flow and reduces discomfort.
D. “I will place my finger under cool water for a few seconds before the stick.” Using cool water before testing can cause the blood vessels to constrict. Warm water is recommended before testing, as it helps increase blood flow and makes it easier to obtain a sample.
Correct Answer is C
Explanation
A. Hopscotch: Hopscotch typically requires the ability to hop on one foot and follow a structured set of rules, which may be too advanced for a 2-year-old. Toddlers are still developing coordination and motor skills, so activities like hopscotch are not age-appropriate.
B. Beginner sports: While toddlers can start developing coordination, organized sports (even beginner ones) usually require more advanced skills like following directions and teamwork, which may not be suitable for a 2-year-old.
C. Finger paints: Finger painting is an ideal activity for a 2-year-old. It encourages creativity, helps with fine motor skills, and is enjoyable for toddlers as they explore textures and colors. It is a developmentally appropriate form of play.
D. 30-piece puzzle: A 30-piece puzzle may be too complex for a 2-year-old. Toddlers typically enjoy simpler puzzles with larger pieces, which are easier for their developing fine motor skills and cognitive abilities. A simpler puzzle would be more appropriate.
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