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Complex Doris Turner Med Math Questions.
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Complex Doris Turner Med Math Questions.
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lOMoARcPSD|182072381. Problem type: IV infusion rate + infusion pump Medication: azithromycin
PROBLEM
Suppose Mrs. Turner’s orders call for 500 mg of azithromycin to be administered
intravenously for communityacquired pneumonia. The solution has been diluted to a
concentration of 2 mg/mL and needs to be administered over 1 hour.
At what rate should the infusion pump be set?
HINT
Start by figuring out how many milliliters will be needed to administer the ordered dose.
SAMPLE SOLUTION
1. Determine how many milliliters of the concentration will be delivered to administer
the ordered dose.
500 mg x 1 mL = 250 mL
2 mg
2. Divide the total number of mL needed to deliver the 500 mg by the expected
duration of 1 hour.
250 mL = 250 mL/hr
1 hr
ANSWER
Number: 250
Units / Rate: mL/hr
2. Problem type: Dosage calculation + Stock on hand Medication: venlafaxine
PROBLEM
, lOMoARcPSD|18207238
Mrs. Turner’s daily medications include venlafaxine extendedrelease, 150 mg, by mouth,
once a day. However, the hospital pharmacy only carries 75 mg extendedrelease
tablets.
How many tablets of venlafaxine extendedrelease should be administered to her?
HINT
You can use the equation below, where X is the number of tablets that should be
administered.
D (ordered dose) x Quantity = X
H (dose on hand)
SAMPLE SOLUTION
1. Determine what information you have.
D (ordered dose) = 150 mg
H (dose on hand) = 75 mg
Q (quantity) = 1 tablet
2. Plug into the equation and solve.
D (150 mg) x 1 tablet = X
H (75 mg)
X = 2 tablets
ANSWER
Number: 2
Units: tablets
3. Problem type: Total daily dosage Medication: Acetaminophen @ hospital
hypothetical
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