A post-op client is to receive the following: D5%W/0.45% NS 1 L to infuse over 5 hours. What is the appropriate setting on an infusion pump in milliliters per hour? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["200"]
Volume ordered is 1 L.
Convert the total volume to milliliters (mL)
1 L = 1000 mL.
Total volume in mL = 1 L × 1000 mL/L = 1000 mL
Total infusion time = 5 hours
Calculate the infusion rate in milliliters per hour (mL/hr).
Infusion rate (mL/hr) = Total volume (mL) / Total infusion time (hours)
= 1000 mL / 5 hours
= 200
The appropriate setting is 200 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Have blood drawn weekly to check for high magnesium levels: Lisinopril, an ACE inhibitor, does not significantly affect magnesium levels. Regular monitoring is more important for potassium and renal function (BUN/creatinine), especially in heart failure patients, not magnesium.
B. Avoid the use of salt substitutes in your diet: Lisinopril is an ACE inhibitor. ACE inhibitors can cause potassium retention by reducing the production of aldosterone. Many salt substitutes contain high amounts of potassium chloride and combining the two may lead to hyperkalemia. Patients should be instructed to avoid these substitutes unless approved by their provider.
C. Notify your physician if a headache develops: Headache is a relatively common and usually mild side effect of lisinopril. It does not typically warrant discontinuation or immediate provider notification unless it's severe or persistent with other symptoms like dizziness or visual changes.
D. Take your heart rate daily when on this medication: Lisinopril does not significantly affect heart rate. Monitoring blood pressure is more relevant, as ACE inhibitors are antihypertensives. Heart rate monitoring is more critical with beta blockers or calcium channel blockers.
Correct Answer is ["0.5"]
Explanation
Convert milligrams to micrograms.
1 mg = 1000 mcg.
0.05 mg × 1000 mcg/mg = 50 mcg
Desired dose = 25 mcg
Available dose = 50 mcg/tablet
Calculate the number of tablets.
Number of tablets = Desired dose / Available dose per tablet
= 25 mcg / 50 mcg/tablet
= 0.5
The nurse should administer 0.5 tablet.
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