4). A patient was administered 150 mL of D5W at a rate of 25 mL/h. If the infusi
ID: 1054006 • Letter: 4
Question
4). A patient was administered 150 mL of D5W at a rate of 25 mL/h. If the infusion was begun at 8am, at what time was it completed?
6). A pediatric patient received 50 mL of an infusion at 10 drops/min with an administartion set that delivered 60 drops/mL. Calculate the duration of the infusion in minutes.
9). An emergency syringe contains lidocaine, 1 g/5 mL. How many milliliters should be used in preparing 250mL of an infusion to cantain 4 mg/mL of lidocaine in D5W?
12). If 200 mg of dopamine in 250 mL D5W is administered to a 145- Ib patient, at 15 mL/h, how many mcg/kg/min is the patient receiving?
14). A physician orders 2 g of an antibiotic to be placed in 1000 mL of D5W. Using an injection that contain 300 mg of the antibiotic per 2 mL, how many milliliters should be added to the dextrose injection in preparing the medication order?
17). A medication order calls for acyclovir, 355 mg, to be administered by intravenous infusion over 60 minutes. A 500-mg vial of acyclovir is available that must be mixed with sterile water for injection to prepare 10 mL of injection. The proper amount is then admixed with 100 mL of normal saline solution. Calculate
a). the volume to be taken from the vial of mixed acyclovir,
b) the rate of infusion in mL/min, and
c). the drops/minute if using an intravenous set that delivers 20 drops/mL.
19). A medication order calls for a dopamine drip at 5 mcg/min for a 185-Ib patient. The Pharmacy adds 400 mg dopamine in 250 mL of D5W. Calculate the drip rates per minute when using administration sets delivering a) 15 drops/mL, b) 20 drops/mL, and c) 60 drops/mL.
20). A physician orders 4 L intravenous fluids for a dehydrated patient to be administered over a period of 24 hours using an intravenous set that delivers 15 drops/mL. Calculate the drip rate in a) drops per minute and in b) milliliters per hours.
22). A physician orders a 2-g vial of a drug to be added to 500 mL. of D5W. If the administration rate is 125 mL/h, how many milligrams of the drug will a patient receive per minute?
24). A physician orders 35 mg of amphotericin B and 24 units of heparin to be administered intravenously in 1000mL of D5W over an 8-hour period. In filling the nedication order, the available sources of the additives are a vial containing 50 mg of amphotericin B in 10 mL and a syringe containing 10 units of heparin per milliliter.
a). How many milliliters of each additive should be used in filling the medication oredr?
b). How many milliliters of the intravenous fluid per minute should the patient receive?
Explanation / Answer
4).patient was administered 150 mL of D5W at a rate of 25 mL/h. If the infusion was begun at 8am,
how many time consume for infusion complete
(150 ml / 25ml/h ) = 6 h
so start at 8:0 am then complete after 6 h
at = 2:0 pm
6). pediatric patient received 50 mL of an infusion at 10 drops/min with an administartion set that delivered 60 drops/mL.
1 ml = 60 drops
60 drops consume in =(60/10 drops/min) = 6 min.
then 50 ml infusion in =(50 x 6) = 300 min.
9). An emergency syringe contains lidocaine, 1 g/5 mL. How many milliliters should be used in preparing 250mL of an infusion to cantain 4 mg/mL of lidocaine in D5W
4 mg /mL = 0.004 g/mL
total g need for preperation 250 mL = 1g
5 mL emergency syringe contain 1g
so 5ml emergency syringe need
12).If 200 mg of dopamine in 250 mL D5W is administered to a 145- Ib patient, at 15 mL/h,
200mg/250mL = 4mg/5mL
15ml/h = 12mg/h
145 lb = 65.77 kg
if 12mg/h/65.77kg = 0.182mg/kg.h = 0.182mg/kg.60min = 0.003 mg/kg.min
same all..
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