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Nur 215 test 3 summer(2025) ( 47 Questions)
Question 1 of 47 :
A 54 year old client is admitted with an exacerbation of COPD. The patient weighs 95kg. The healthcare provider orders theophylline IV per protocol: Loading dose 6 mg/kg. The pharmacy sends you 250 mg/10 ml of theophylline.
Calculate the ml for the loading dose of theophylline.
Correct Answer: 22.8
Calculation:
- Calculate the total dose in milligrams (mg) for the client's weight.
Total dose (mg) = Patient weight (kg) x Ordered dose (mg/kg)
= 95 kg x 6 mg/kg
= 570 mg.
Available concentration = 250 mg / 10 mL
= 25 mg/mL.
- Calculate the volume to administer in milliliters (mL).
Volume to administer (mL) = Total dose (mg) / Available concentration (mg/mL)
= 570 mg / 25 mg/mL
= 22.8 mL.
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