Question

Part E: Drug Dosages continued 3. A patient with systemic lupus erythematosus takes 250 mg capsules of mycophenolate mofetil for immunosuppression. How many tablets should the patient take at each dosing time if the doctor requests the patient take 2.00 g per day, divided into two dosages? 4. A110-Ib patient on sedation requires 2.5 mg of fentanyl/kg. Calculate the number of mg the physician should order. 5. A common fever-reducing medication in children is acetaminophen, available as an 80-mg chewable tablet. The correct dosage is 10 mg/kg. How many tablets are required for a child weighing 36 pounds? 6. A physician ordered a patient to take 2.0 tsp of a cough syrup every 2 hours for the next 12 hours. Calculate the total number of cc's required over the 12-hour period. Part F: Intravenous and Infusion Calculations Calculate the correct dosage for each of the scenarios provided. 1. A physician ordered 40 units of heparin. Calculate the mL required if heparin is available as 100 units/mL 2. A physician ordered 5.0 mg of methylprednisolone. Calculate the cos required if methylprednisolone is available as 10 mg/2 cc. 3. A physician ordered 0.25 g of vancomycin, which is available as 125 mg/cc. Calculate the number of ces required. 4. Patients on ventilators often receive sedation to aid healing and comfort care. A doctor ordered 2.0 mcg of propofol per kilogram of body weight per minute. The pharmacy sent a 20-mcg solution. To prepare the IV, calculate how many mcg to administer per hour for a 44-lb patient. 5. A physician ordered 0.50 g of cefazolin by IV. Cefazolin exists as a 1.0 g dry package, which states to add 2.5 mL of sterile water to reconstitute to a final liquid volume of 3.0 ml. Calculate how many mL the patient should receive.

Answer 1

3.Given

Medication Mycophenolate mofetil

Dose:2.00g/day (2000mg/day)

Frequency :Twice a day

Available :250mg/capsule

When 250mg=1 capsule

Then 2000mg=??

Cross multiply and divide

=2000×1÷250

=8 capsule/day in two divided doses mean

8÷2=4

Ans:4 capsules per dose

4.Given

Weight:110lb (0.454×110=49.9 or 50kg)

Medication :Fentanyl

Dose:2.5mg/kg

As the patient weights 50kg multiply by 2.5kg to get the dose

=125mg (50×2.5)

Ans:The physician should order 125mg

5.Given

Medication :Acetaminophen

Weight:36pound (16.3 or 16kg)

Route:oral

Dose:10mg/kg

Therefore 16 kg=??mg

=160mg (16×10)

Available :80mg /tablet

Therefore160mg=??

Cross multiply and divide

=160÷80

=2

Ans:2 tablet

6.Given

Medication :cough syrup

Dose:2 tsp (10ml or 10cc) as 1tsp =5cc

Frequency :every 2 hours for next 12 hours ( 12÷2=6 times)

To calculate the cc for next 12 hours

Number of times × amount per dose

=6×10

=60

Ans:60cc is required for next 12 hours