A nurse is preparing to administer vitamin K 1mg IM to a newborn.
The available vitamin K injection is 1 mg/0.5 mL. How many mL should the nurse administer per dose?
(Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Step 1: The nurse needs to administer 1mg of vitamin K. The available vitamin K injection is 1 mg per 0.5 mL.
Step 2: To find out how many mL the nurse should administer, we divide the required dose by the concentration of the injection. So, 1 mg ÷ (1 mg/0.5 mL).
Step 3: This simplifies to 1 mg × (0.5 mL/1 mg).
Step 4: The mg units cancel out, leaving us with 0.5 mL. So, the nurse should administer 0.5 mL of the vitamin K injection per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["6"]
Explanation
Step 1 is to set up the equation to solve for the unknown, which is the volume in mL. The equation is (300 mg ÷ 250 mg) × 5 mL.
Step 2 is to perform the calculation: (300 mg ÷ 250 mg) × 5 mL = 6 mL. So, the nurse should administer 6 mL of amoxicillin oral solution.
Correct Answer is ["A","B","D","E"]
Explanation
Choice A rationale
A protruding tongue is a common characteristic in children diagnosed with Down syndrome. This is due to hypotonia (low muscle tone) and a relatively small oral cavity.
Choice B rationale
An outward slant to the eyes, also known as upslanting palpebral fissures, is a common characteristic in children with Down syndrome.
Choice C rationale
Wide-spaced front teeth are not typically associated with Down syndrome. Dental anomalies in Down syndrome often include delayed eruption of teeth and missing or extra teeth.
Choice D rationale
Curved, small fingers are a common characteristic in children with Down syndrome. This is part of the typical hand morphology that may also include a single palmar crease.
Choice E rationale
Simian creases, also known as single palmar creases, are common in children with Down syndrome. This is a single crease that runs across the palm of the hand, instead of the usual three creases.
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