Scott Dosage and Drip Calculations #3
A health care provider orders tobramycin 1.25 mg/kg IM q 12 hr. Available on hand is tobramycin 0.2 g/mL. How many mL will you administer to a 183 lbs patient for each dose?
0.5 ml
Lanoxin (digoxin) 125 mcg is ordered IVP every a.m. The vial contains 0.5 mg in 2 ml. How many ml will you give?
0.5 ml
A health care provider orders Morphine gr 1/10; Available: Morphine 10 mg/ml. How many ml will the nurse give?
0.6 ml (1 gr = 60 mg)
A health care provider orders Heparin 7,855 units subq bid; Available: Heparin 10,000 units per ml. How many mL will you administer?
0.79 ml (use of mental math, move the decimal over 4 times)
A health care provider prescribes meperidine (Demerol) 50 mg IVP q 6 hr prn pain. Available on hand is meperidine 75 mg/1.3 mL. How many mL will you administer?
0.87 ml
A health care provider prescribes Heparin 4,390 units subq bid; Available: Heparin 5,000 USP units per ml in 10 ml. How many mL will you administer?
0.88 ml
A 53-year-old female patient with pancreatic cancer was placed under your care. Her primary care provider orders an administration of 150 mcg (micrograms) of morphine sulfate per kilogram (kg) every four (4) hours or as needed for pain management. The available drug on hand is morphine 15 mg/mL. How many mL will you give on the first dose if the patient weighs 90 kg?
0.9 ml
A patient with bacterial infection is ordered ceftazidime (Fortaz) 250 mg IM. The vial contains 500 mg powder with directions to add 1.5 ml of sterile water for a total volume of 1.8 ml. How many ml will you administer?
0.9 ml
You have on hand enoxaparin (Lovenox) 30 mg/0.3 mL. You need to administer 1 mg/kg SC. Your patient weighs 200 pounds. How many ml will you draw into a syringe?
0.9 ml
A patient with complaints of chest pain is ordered to receive diltiazem (Cardizem) 5 mg IVP. The vial contains 10 mg/2 ml. How many ml will you give?
1 ml
A pre-op patient is ordered Atropine gr. 1/150 IM. The vial contains Atropine 0.4 mg in 1 ml. How much in ml will you give?
1 ml (1 gr = 60 mg)
A health care provider orders Penicillin G 223,500 units IM q 4 hr; Available: Penicillin G 500,000 units /2.5 mL. How many mL will you administer?
1.1 ml
A health care provider orders ceftazidime (Tazidime) 0.3 g IM tid; Reconstitution instructions: For IM solution add 1.5 mL of diluent. Shake to dissolve. Provides an approximate volume of 1.8 mL (280 mg/mL). How many mL will you give?
1.1 ml
A health care provider orders fentanyl (Sublimaze) 0.05 mg IV bolus; Reconstitution instructions: Constitute to Fentanyl 100 micrograms/2.3 mL with 2.4 mL of 5% Dextrose Water for Injection. How many mL will you administer?
1.2 ml
A health care provider prescribes kanamycin (Kantrex) 7.5 mg/kg IM q 12 hr; Available: kanamycin 0.35 Gm/mL. How many mL will you administer for each dose to a 157 lb patient?
1.5 ml
You have on hand diazepam (Valium) 5 mg/mL. You need to administer 8 mg IV push stat. to a patient having a seizure. How many ml should you draw into the syringe?
1.6 ml
A health care provider orders amikacin (Amikin) 5 mg/ lb IM q 12 hr; Available: Amikacin 0.9 gm/ 2 mL. How many mL will you administer to a 72.7 Kg patient?
1.8 ml
A health care provider prescribes cefazolin (Ancef) 0.4253 gm IM bid; Reconstitution instructions: For IM solution add 1.25 mL of diluent. Shake to dissolve. Provides an approximate volume of 1.6 mL (240 mg/mL). How many mL will you give?
1.8 ml
Heparin sodium, 1000 units/hour IV, is ordered for a patient with a blood clot in the leg. It is supplied as 50,000 units in 500 mL of dextrose and water. How many milliliters per hour should be set on the controller?
10 ml/hr
You have an order to administer heparin sodium IV at 1000 units per hour. It is supplied by your pharmacy as 25,000 units in 250 mL of D5W. For how many milliliters per hour should you program the controller?
10 ml/hr
The nurse follows through an order to infuse 250 mL of plates intravenous over 2 hours and 30 minutes. The drop factor is 10 drops per mL. To safely administer the order, the nurse will set the flow rate of the IV pump at what mL per hour? Additionally, at how many drops per minute?
100 ml/hr 17 gtts/min
A patient is to receive cefuroxime (Zinacef) 1 g in D5W 100 mL IV every 8 hours, to infuse over 60 minutes. How many drops per minute do you set on gravity tubing that delivers 10 gtts/mL?
17 gtts/min
Your order reads gatifloxacin (Tequin) 400 mg IV daily. It arrives in 50 mL of D5W, to run over 30 minutes. How many drops per minute will you set if you have tubing with a drop factor of 10?
17 gtts/min
You need to administer prochlorperazine (Compazine) 10 mg IM to a nauseated patient. You have on hand Compazine 5 mg/mL. How many ml would you administer per dose?
2 ml
Your order reads penicillin 1.2 million units IM daily. You have penicillin 500,000 units/mL. How many ml should you prepare the correct dose?
2.4 ml
A health care provider prescribes 1,500 mL of normal saline to be infused over seven (7) hours. The drop factor is 15 drops/mL. The nurse should set the flow rate of the IV infusion pump at how many mL per hour (mL/hour) and drops per minute (drops/minute)?
214 ml/hr 54 gtts/ min
A health care provider prescribes 1,200 mL of 0.45% normal saline solution to be infused at 125 mL/hour. The drop factor is 12 drops/mL. How many drops per minute should the nurse adjust the flow rate to safely administer the prescribed intravenous solution?
25 gtts/min
A health care provider prescribes cefazolin (Kefzol) 1 g IV three times a day to a patient with pneumonia. It is supplied in 100 mL dextrose and water, to run over 20 minutes. How many milliliters per hour should you set the controller to deliver?
300 ml/hr
An IVPB of ranitidine hydrochloride (Zantac) 50 mg in 100 mL D5W is to run over 45 minutes. The tubing has a drip factor of 15. How many drops per minute should you deliver?
33 gtt/min
Your order reads ceftizoxime (Cefizox) 1 g IV piggyback (IVPB) every 8 hours. The pharmacy supplies it in 100 mL D5W. You need to infuse it over 30 minutes. Using gravity drip tubing with a drop factor of 10, how fast will you run the piggyback?
33 gtt/min
You need to administer IV piperacillin sodium/tazobactam sodium (Zosyn) 3.375 g in 50 mL D5W to run over 20 minutes. How many drops per minute do you set if the IV tubing has a drop factor of 15?
38 gtt/min
An order reads furosemide (Lasix) 40 mg IV push. You have on hand Lasix 20 mg/2 mL. How many ml would you administer per dose?
4 ml
You have an order for fosphenytoin (Cerebyx) 100 phenytoin equivalents (PE) IVPB qid. It arrives in 50 mL of normal saline, with a note on the piggyback bag not to infuse faster than 150 per minute. How many milliliters per hour should you set on the controller?
4500 ml/hr
You need to administer 30 mg of morphine IM. It is supplied as 5 mg/mL. How many ml would you administer per dose?
6 ml
You need to infuse corticotropin (Acthar) 25 U in 500 mL D5W IV over 8 hours. How many milliliters per hour do you infuse on a controller?
63 ml/hr
Your order reads labetalol 40 mg IV push every 10 minutes until blood pressure is lower than 140/90 mm Hg. You have labetalol 5 mg/mL available. How many ml should you prepare the correct dose?
8 ml
A nurse was assigned to the medical-surgical ward to care for a 30-year-old female client diagnosed with pneumonia. The patient's primary health care provider prescribed 250 mL of D5W to be infused over 2 hours and 45 minutes. The drop factor is 60 drops per mL. To safely administer the prescribed intravenous solution, the nurse should regulate the IV pump for how many drops per minute (drops/minute). Additionally, compute for the mL per hour.
91 gtts/min 91 ml/hr 17:45 (started at 15:00)
A safe maintenance dose of aminophylline is 0.36 mg/kg/hour. It is supplied as 100 mg/100 mL. Your patient weighs 130 pounds and is receiving 20 mL/hour. Is the dose safe?
A patient is receiving 20 mg/hr; yes, the dose is safe Calculated based on this patient's weight, the patient should be receiving 21.3 mg/hr. No more than this amount.
You have an order for 500 mg vancomycin (Vancocin) IVPB every 6 hours for a patient who weighs 120 lbs. You know that you can safely administer up to 40 mg/kg/day. Is the order safe?
A patient is recieving 36.7 mg/kg/day When calculating the based on the order and the safety parameters. the patient is recieving 36.7 mg/kg ehich is less than 40 mg/kg meaning it is safe for the patient.
