A nurse is preparing to administer hepatitis B vaccine 5 mcg IM to a newborn. Available is hepatitis B vaccine injection 5 mcg/0.5 mL. How many mL should the nurse administer? (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"]
Desired dose of hepatitis B vaccine: 5 mcg
Available strength of hepatitis B vaccine injection: 5 mcg/0.5 mL
First, let's find out how many milliliters of hepatitis B vaccine correspond to the desired dose:
Volume (mL) = Desired dose / Concentration
Volume (mL) = 5 mcg / 5 mcg/0.5 mL Volume (mL) = 0.5 mL
Nursing Test Bank
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Related Questions
Correct Answer is A
Explanation
A. Kilogram - Correct. Kilogram is a metric unit of weight commonly used in healthcare settings to document weight.
B. Milliliter - Milliliter is a metric unit of volume, not weight.
C. Pound - Pound is not a metric unit; it's an imperial unit of weight.
D. Ounce - Ounce is also not a metric unit; it's an imperial unit of weight.
Correct Answer is ["1.1 "]
Explanation
Given:
- Desired dose of cefazolin: 250 mg
- Reconstituted concentration of cefazolin: 225 mg/mL
First, calculate the volume of the reconstituted solution needed to administer the desired dose:
Volume (mL) = Desired dose / Concentration
Volume (mL) = 250 mg / 225 mg/mL Volume (mL) ≈ 1.11 mL
So, the nurse should administer approximately 1.1 mL of the reconstituted cefazolin solution.
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