Calculate the flow rate to be administered by an infusion pump,__________(Round to the nearest whole number)
Ordered: 1,000 mL NS over 6 h
The Correct Answer is ["167"]
Given values:
Total volume = 1,000 mL
Infusion time = 6 h
- Calculate the flow rate in mL/h using the formula:
Flow rate (mL/h) = Total volume (mL) / Infusion time (h)
= 1000 mL / 6 h
= 166.6667 mL/h.
- Round the answer to the nearest whole number.
= 167 mL/h.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. KVO: "Keep vein open" infusions are minimal-rate fluids used to maintain IV line patency, not to deliver active medications like Zinacef. This does not apply to scheduled antibiotic therapy.
B. therapeutic: Zinacef (cefuroxime) is an antibiotic used to treat infections. Since it is being administered on a scheduled basis (750 mg IV q8h), it is used therapeutically to manage a medical condition.
C. replacement: Replacement fluids are used to restore lost fluids and electrolytes due to vomiting, diarrhea, bleeding, or other losses. They are not used for medication administration.
D. maintenance: Maintenance fluids meet basic daily fluid and electrolyte requirements in patients unable to eat or drink. They do not involve scheduled doses of antibiotics or other medications.
Correct Answer is C
Explanation
A. tuberculin syringe: Tuberculin syringes are calibrated in milliliters (typically 1 mL total) and not in insulin units. Using them for insulin risks serious dosing errors due to miscalculation or misreading.
B. U-100, 50 unit capacity insulin syringe: This syringe only holds up to 50 units of insulin. Since the ordered dose is 60 units, this syringe is not large enough and should not be used for this administration.
C. U-100, 100 unit capacity insulin syringe: This is the correct syringe for giving 60 units of insulin. It is specifically calibrated for insulin dosing and can measure up to 100 units accurately and safely.
D. standard syringe: Standard syringes are usually marked in milliliters, not insulin units. Using them for insulin administration increases the risk of dosing errors and is not recommended for safety reasons.
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