Math/Pharm/New

2.5

A client with a head injury has an order for dexamethasone (Decadron) 10mg IV; push every 6 hours. The dose is available Decadron 4mg/mL. How much will the nurse administer? Fill in the blank. mL(s)

200 (mcg 1st calculate number of mg per ML 50mg/250 mL=1mg/5mL= 0.2mg/1 mL 2nd: calculate the number of mcg in each mg. 0.2mg=200 mcg)

A client with a hypertensive emergency is being treated with sodium nitroprusside. In dilution of 50 mg/250 mL. How many micrograms of sodium nitroprusside are in each milliliter? ________ mcg

720

A child is to receive heparin sodium five units per kilogram of body weight by subcutaneous route every four hours. The child weighs 52.8 lb. How many units should the child receive in a 24-hour period?

360 (mL 25000units/500mL=50Units/mL 1mL/50units x 1500units/hr= 30mL/hrx12hrs= 360 mL)

A client diagnosed with a dvt has heparin sodium infusing at 1500units/hr. The concentration of heparin is 25000units/500mL. If the infusion remains at the same rate for a full 12 hr shift, how many mL of fluid will infuse? __________mL

4 (kg A liter of water weighs 1 kg. Therefore the client should have a weight of 4 kg. less than preprocedure weight)

A client had 4000 mL of fluid removed via paracentesis. When the nurse weighs the client after the procedure, how many kilograms is an expected weight loss?_________kg

63

A client has an order for vancomycin (Vancocin) 1 gram IVPB in 250 mL normal saline to infuse over 60 minutes. The nurse would set the IV drop rate to deliver how many drops per minute if the IV set delivers 15gtts/mL? Fill in the blank. _____ Gtts/minute

80 ( mm Hg MAP= [systolic BP + (2 x diastolic BP)] ÷ 3 MAP=[120 +(2 x 60)] ÷ 3 MAP=240 ÷3=80 )

A nurse is assessing a client with increasing ICP. What is a clients mean arterial pressure (MAP) in mm Hg when BP is 120/60 mm Hg? __________mm Hg

0.7 (mL 10mg/15mg x 1mL=0.67=0.7 less that 1 mL round to tenths)

A nurse is to administer 10 mg of morphine sulfate to a client with 3 fractured ribs. The available concentration for this drug is 15 mg/mL. How many milliliters should the nurse administer? _____mL

7.5 (mL)

Guifenesin 300 mg four times a day has been prescribed as an expectorant. The dosage strength of the liquid is 200mg/5mL. How many milliliters should the nurse administer for each dose? __________mL

15 (mL 75mg/25 mg x 5 mL=15 mL)

Nitrofurantoin 75 mg four times per day has been prescribed for a client with a lower UTI. The medication comes in an oral suspension of 25mg/5mL. How many milliliters should the nurse administer for each dose?___________mL

0.4 (mL 1200mg/6000mg x 2mL=0.4 mL)

The nurse is to administer 1200 mg of an antibiotic. The drug is prepared with 6g of the drug in 2 mL of solution. The nurse should administer how many mL of the drug? _______________mL

15

The patient is to receive Heparin 1500 units/hr by IV infusion. The IV contains 25,000 units of Heparin in 250 ml of D5W. At what rate should you set the IV pump (ml/hr)? ________ ml/hr

60 (mL 30mL=1 ounce 30x2=60 mL)

The nurse has a prescription to administer 2 oz of lactulose to a client who has cirrhosis. How many mL of lactulose should the nurse administer? ______mL

4 (tablets 1g=1000 mg 2g=2000 mg 2000/500mg= 4 tablets)

The nurse has a prescription to administer sulfasalazine 2g . The medication is available in 500 mg tablets. How many tablets should the nurse administer? _______tablets

1805 (2mL/min X 60 min = 120 mL/hr 250-240(2hrs)= 10 mL 10mL/2mL/min =5 minutes 2 hrs 5 minutes = 1600+205=1805)

The nurse has an order to begin one unit of Packed Red Blood Cells at 1600 hours. If she starts the infusion at 2ml per minute, what time will the infusion be completely infused? One unit equals 250ml. _______ hours

141 (mg 207lbs/2.2 kg= 94.09=94.1kg 94.1kg x 1.5mg=141.15=141mg)

A client who weighs 207 lbs is to receive 1.5mg/kg of gentamicin sulfate IV three times each day. How many milligrams of medication should the nurse administer for each dose? ______________mg

24 (mL/hr First calculate how many units are in each milliliter of the medication: 25000units/500 mL = 50 units/ML Next calculate how many milliliters the client receives per hr: 1200 units/1 hr ÷ 50 units/1 mL = 24 units/1 hr X 1 mL/1 units =24 mL/hr)

A client receiving an IV infusion of heparin sodium at 1200 units/h. The dilution is 25,000 units/500 mL. How many milliliters per hour will this client receive? ________ mL/h

31 (gtt/min 125mL/hr=125mL/60min x 15gtt/min=31.25=31)

A client who is experiencing an exacerbation of ulcerative colitis is receiving IV fluids that are to be infused at 125mL/hr. The IV tubing delivers 15gtt/mL. How quickly should the nurse infuse the fluids in drops per minute to infuse the fluids at the prescribed rate?____________gtt/min

25 (gtt/min 100 mL/60 minutes x 15gtts/1mL=25 gtt/min)

A client who is recovering from gastric surgery is receiving IV fluids to be infused at 100mL/hr. The IV tubing delivers 15 gtt/mL. The nurse should infuse the solution at a flow rate of how many drops per minute to ensure that the client receives 100 mL/hr? _______gtt/min

0.85 (mL 187/2.2=85kg 85kgx1mg=85 85mg/30mg x 0.3 mL= 0.85 mL)

A client who weighs 187 lbs has a prescription to receive enoxaparin sodium 1mg/kg. This drug is available in a concentration of 30mg/0.3mL. What dose would the nurse administer in mililiters? _____mL