A nurse is administering an intravenous (IV) infusion of 2 g cefotaxime dissolved in 100 mL of isotonic glucose solution to a client. The drop factor of the IV tubing is 15 drops/mL.
If the infusion time is 1 hr, what is the gt/min?
400 gt/min
6 gt/min
25 gt/min
9 gt/min
The Correct Answer is C
The gt/min is 25.
This answer is correct because it is based on a simple formula and calculation. The nurse should use the following formula to calculate the gt/min:
gt/min = (Volume in mL x Drop factor in gt/mL) / Time in min
Plugging in the given values, the nurse should get:
gt/min = (100 mL x 15 gt/mL) / 60 min
gt/min = 25
Therefore, the gt/min is 25.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
To find the maximum number of tablets the patient may have in 24 hours, you need to calculate the following:
- The number of doses the patient may have in 24 hours using the formula: Number of doses = 24 hours / Dosing interval (hours)
- The total dose of ibuprofen in milligrams (mg) for 24 hours using the formula: Total dose (mg) = Number of doses x Prescribed dose (mg)
- The number of tablets of ibuprofen using the formula: Number of tablets = Total dose (mg) / Strength per tablet (mg)
First, use the formula for number of doses to find how many times the patient may take ibuprofen in 24 hours:
Number of doses = 24 hours / Dosing interval (hours)
Since the dosing interval is 6 hours, plug in this value into the formula:
Number of doses = 24 hours / 6 hours
Simplify and solve for the number of doses:
Number of doses = 4
Next, use the formula for total dose to find the amount of ibuprofen in milligrams for 24 hours:
Total dose (mg) = Number of doses x Prescribed dose (mg)
Since the number of doses is 4 and the prescribed dose is 600 mg, plug in these values into the formula:
Total dose (mg) = 4 x 600 mg
Simplify and solve for the total dose:
Total dose (mg) = 2400 mg
Then, use the formula for number of tablets to find how many tablets of ibuprofen are needed:
Number of tablets = Total dose (mg) / Strength per tablet (mg)
Since the total dose is 2400 mg and the strength per tablet is 200 mg, plug in these values into the formula:
Number of tablets = 2400 mg / 200 mg
Simplify and solve for the number of tablets:
Number of tablets = 12
Therefore, the maximum number of tablets the patient may have in 24 hours is **12**.
Correct Answer is A
Explanation
To calculate the infusion rate, we need to convert the patient's weight from kilograms to milligrams.
Patient's weight: 65 kg
Dose required: 200 mcg/kg/min
First, let's calculate the total dose required for the patient per minute: Dose required = 200 mcg/kg/min * 65 kg
= 13,000 mcg/min
Next, we need to convert the dose from micrograms to milligrams:
13,000 mcg/min = 13 mg/min
Now, let's determine the infusion rate. We have 2,500 mg of esmolol in 250 mL of fluid. Therefore, the concentration of esmolol in the fluid is:
Concentration = 2,500 mg / 250 mL
= 10 mg/mL
To find the infusion rate, we divide the dose required by the concentration: Infusion rate = 13 mg/min / 10 mg/mL
= 1.3 mL/mi
Since the options are in mL/hr, we need to convert the rate from mL/min to mL/hr:
1.3 mL/min * 60 min/hr = 78 mL/hr
Therefore, the correct answer is:
a. 78 mL/hr
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