A client receives a prescription for tetracycline 500 mg by mouth every 12 h. The medication is available in 250 mg capsules. How many capsule(s) should the nurse administer each day? (Enter numerical value only.)
The Correct Answer is ["4"]
Ordered dose of tetracycline: 500 mg every 12 hours
Available tetracycline capsules: 250 mg/capsule
Step 1: Determine the total daily dose of tetracycline:
Since the medication is given every 12 hours, there are 2 administrations per day.
Total daily dose (mg) = Dose per administration (mg) x Number of administrations per day
Total daily dose (mg) = 500 mg/dose x 2 doses/day
Total daily dose (mg) = 1000 mg/day
Step 2: Calculate the number of capsules required per day:
Number of capsules/day = Total daily dose (mg) / Strength of each capsule (mg/capsule)
Number of capsules/day = 1000 mg/day / 250 mg/capsule
Number of capsules/day = 4 capsules/day
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["133"]
Explanation
Given:
Prescribed dose: 1.5 oz
Number of doses administered: 3 times
Step 1: Convert ounces to milliliters:
1 ounce (oz) = 29.5735 mL
Prescribed dose in mL = 1.5 oz x 29.5735 mL/oz = 44.36025 mL
Step 2: Calculate the total volume ingested:
Total volume (mL) = Prescribed dose per dose (mL) x Number of doses
Total volume (mL) = 44.36025 mL/dose x 3 doses
Total volume (mL) = 133.08075 mL
Step 3: Round to the nearest whole number:
Total volume (mL) ≈ 133 mL
Correct Answer is ["38"]
Explanation
Given:
Volume of fluid: 75 mL
Infusion time: 30 minutes
Drop factor: 15 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (min)) x Drop factor (gtt/mL)
Step 1: Calculate the infusion rate in mL/min:
Infusion rate (mL/min) = Volume (mL) / Time (min)
Infusion rate (mL/min) = 75 mL / 30 min
Infusion rate (mL/min) = 2.5 mL/min
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = Infusion rate (mL/min) x Drop factor (gtt/mL)
Flow rate (gtt/min) = 2.5 mL/min x 15 gtt/mL
Flow rate (gtt/min) = 37.5 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 38 gtt/min
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