Zinacef 750 mg IV q 8h is ordered. This would be what type of intravenous infusion?
KVO
therapeutic
replacement
maintenance
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["200"]
Explanation
Rationale:
- Calculate the total milligrams of amoxicillin needed for the entire prescription.
Given:
Ordered dose is 250 mg.
Frequency is three times a day (tid).
Duration is 7 days.
Total milligrams needed = 250 mg/dose × 3 doses/day × 7 days
= 5250 mg.
- Determine the concentration of the medication from the label.
The label states the concentration is 250 mg per 5 mL.
Concentration = 250 mg / 5 mL
= 50 mg/mL.
- Calculate the total volume in milliliters (mL) required for the prescription.
Total volume needed = Total milligrams needed / Concentration
= 5250 mg / 50 mg/mL
= 105 mL.
- Determine the amount to dispense based on the bottle size and dispensing instructions.
The label indicates that each reconstituted bottle contains 100 mL.
The total volume needed is 105 mL, which is more than what one 100 mL bottle contains.
The note states, "Partial bottles are not dispensed." Therefore, two bottles must be dispensed to provide the client with a full course of medication.
Amount to dispense = 2 bottles × 100 mL/bottle
= 200 mL.
Correct Answer is D
Explanation
A. therapeutic fluids: Therapeutic fluids are administered to treat a specific condition, such as dehydration or electrolyte imbalance. They are not specifically used just to keep a vein open.
B. maintenance fluids: Maintenance fluids are given to meet the ongoing fluid and electrolyte needs of a client, especially when they can't eat or drink. They are not primarily used to preserve line patency.
C. replacement fluids: Replacement fluids are used to restore fluid losses due to vomiting, diarrhea, or bleeding. They are given in larger volumes and are not intended solely to keep a vein open.
D. KVO fluids: "Keep vein open" (KVO) fluids are minimal infusions used to maintain patency of an IV line. The goal is not hydration or therapy, but ensuring access for future medication or fluid delivery.
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