Dosing Calculations

A prescription reads morphine sulfate, 8 mg stat. The medication ampule reads morphine sulfate, 10 mg/mL. The nurse prepares how many milliliters (mL) to administer the correct dose?

0.8 mL

A primary health care provider (PHCP) has prescribed prochlorperazine 4 mg intramuscularly for a client who is vomiting. The nurse reads the label on the medication vial and administers how many milliliters to the client?

0.8 mL

A primary health care provider prescribes an intravenous dose of 250,000 units of penicillin G benzathine. The label on the 10-mL ampule sent from the pharmacy reads penicillin G benzathine 300,000 units per mL. How much medication will the nurse prepare to administer the correct dose? Fill in the blank. Record your answer using 1 decimal place.

0.8 mL

A primary health care provider's prescription reads morphine sulfate, 8 mg stat. The medication ampule reads morphine sulfate, 10 mg/mL. The nurse prepares how many milliliters to administer the correct dose? Fill in the blank.

0.8 mL

A primary health care provider's prescription reads "ampicillin sodium 125 mg IV every 6 hours." The medication label reads "when reconstituted with 7.4 mL of bacteriostatic water, the final concentration is 1 g/7.4 mL." The nurse prepares to draw up how many milliliters to administer 1 dose?

0.925 mL

A client is prescribed metoclopramide 5 mg intravenously (IV). How many milliliters would the nurse administer if the available concentration is 10 mg/2 mL? Fill in the blank.

1 mL

A primary health care provider's prescription reads nitroglycerin grains 1/150 sublingually stat. The label on the bottle reads nitroglycerin 0.4 mg/tablet. The nurse prepares how many tablet(s) to administer the correct dose?

1 tab

The primary health care provider prescribes levothyroxine 0.15 mg orally daily for a client with hypothyroidism. The medication label states 150 mcg per tablet. The home care nurse would instruct the client to take how many tablet(s)? Fill in the blank.

1 tab

Penicillin G procaine, 1,000,000 units IM (intramuscularly), is prescribed for an adolescent with an infection. The medication label reads "1,200,000 units per 2 mL." The nurse has determined that the dose prescribed is safe. The nurse administers how many milliliters per dose to the adolescent?

1.7 mL

A primary health care provider prescribes 1 unit of packed red blood cells to infuse over 4 hours for a client with anemia. The unit of blood contains 250 mL. The drop factor is 10 drops (gtt)/1 mL. The nurse prepares to set the flow rate at how many drops per minute?

10 gtts.min

A prescription reads to infuse 1 unit of packed red blood cells over 4 hours. The unit of blood contains 250 mL. The drop factor is 10 drops (gtt)/1 mL. The nurse prepares to set the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

10 gtts/min

A prescription reads potassium chloride 30 mEq to be added to 1000 mL normal saline (NS) and to be administered over a 10-hour period. The label on the medication bottle reads 40 mEq/20 mL. The nurse prepares how many milliliters (mL) of potassium chloride to administer the correct dose of medication? Fill in the blank.

15 mL

The primary health care provider prescribes theophylline 0.2 g orally twice daily. The medication label states 100-mg capsules. The nurse administers how many capsule(s) to the client at the morning dose? Fill in the blank.

2 caps

A primary health care provider's prescription reads "cyanocobalamin (vitamin B12) 1000 mcg by the intramuscular route." The medication label reads "cyanocobalamin (vitamin B12) 0.5 mg/mL." The nurse prepares the medication and administers how many milliliters to the client? Fill in the blank.

2 mL

A primary health care provider's prescription reads clindamycin phosphate 0.3 g in 50 mL normal saline (NS) to be administered intravenously over 30 minutes. The medication label reads clindamycin phosphate 900 mg in 6 mL. The nurse prepares how many milliliters of the medication to administer the correct dose? Fill in the blank.

2 mL

A primary health care provider's prescription reads 200 mcg orally daily. The medication label reads 0.1 mg per tablet. The nurse administers how many tablet(s) to the client?

2 tabs

Sulfisoxazole, 1 g orally twice daily, is prescribed for an adolescent with a urinary tract infection. The medication label reads "500-mg tablets." The nurse has determined that the dosage prescribed is safe. The nurse administers how many tablets per dose to the adolescent?

2 tabs

A primary health care provider prescribes atenolol 0.05 g orally daily for a client with hypertension. The label on the medication bottle states atenolol 25-mg tablets. How many tablet(s) will the nurse administer to the client? Fill in the blank.

2 tabs 0.005*1000=50mg 50mg/25mg=2

A primary health care provider prescribes 2000 mL of 5% dextrose and half normal saline to infuse over 24 hours. The drop factor is 15 drops (gtt)/mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

21 gtts/min

A primary health care provider prescribes 3000 mL of 5% dextrose in water (D5W) to infuse over a 24-hour period. The drop factor is 10 drops (gtt)/mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

21 gtts/min

A primary health care provider prescribes 3000 mL of D5W to infuse over a 24-hour period. The drop factor is 10 drops (gtt)/mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

21 gtts/min

The primary health care provider prescribes 1000 mL of 0.9% normal saline to run over 8 hours. The drop factor is 10 drops (gtt)/mL. The nurse adjusts the flow rate to run at how many drops per minute?

21 gtts/min

The primary health care provider's prescription for an antibiotic reads "500 mg in 250 mL of 5% dextrose in water and administer over 2 hours." The drop factor is 10 drops (gtt)/mL. The nurse sets the flow rate at how many drops per minute?

21 gtts/min

The nurse has a prescription to infuse 1000 mL of 5% dextrose in lactated Ringer's solution at 80 mL per hour. The nurse time-tapes the intravenous (IV) bag with a start time of 0900. After making hourly marks on the time-tape, the nurse would note which completion time for the bag?

2130

Ampicillin sodium 500 mg in 100 mL of normal saline (NS) is to be administered over a period of 45 minutes. The delivery rate (drop factor) is 10 drops (gtt) per mL. The nurse would set the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

22 gtts/min

A primary health care provider prescribes 100 mL of normal saline to infuse over 1 hour. The drop factor is 15 drops (gtt)/mL. The nurse prepares to set the flow rate at how many drops per minute? Fill in the blank.

25 gtts/min

Cefuroxime sodium, 1 g in 50 mL normal saline (NS), is to be administered over 30 minutes to a client with an infection. The drop factor is 15 drops (gtt)/1 mL. The nurse sets the flow rate at how many drops per minute?

25 gtts/min

Cefuroxime sodium, 1 g in 50 mL normal saline (NS), is to be administered over 30 minutes. The drop factor is 15 drops (gtt)/1 mL. The nurse sets the flow rate at how many drops per minute?

25 gtts/min

A prescription reads 1000 mL of normal saline 0.9% to infuse over 8 hours. The drop factor is 15 drops (gtt)/1 mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

31 gtts/min

Gentamicin sulfate, 80 mg in 100 mL normal saline (NS), is to be administered over 30 minutes to a client with an infection. The drop factor is 10 drops (gtt)/1 mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

33 gtts/min

Gentamicin sulfate, 80 mg in 100 mL normal saline (NS), is to be administered over 30 minutes. The drop factor is 10 drops (gtt)/1 mL. The nurse sets the flow rate at how many drops per minute?

33 gtts/min

Normal saline 50 mL is to be given by intravenous (IV) infusion over a 15-minute period. The drop factor for the tubing is 10 gtt/mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

33 gtts/min

The nurse is completing a time tape for a 1000-mL intravenous (IV) bag that is scheduled to infuse over 8 hours. The nurse has just placed the 1100 marking at the 500-mL level. The nurse would place the mark for 1200 at which numerical level (mL) on the time tape?

375

A prescription reads 1000 mL D5W to infuse at a rate of 125 mL/hr. The nurse determines that it will take how many hours for 1 L to infuse? Fill in the blank.

8 hrs

A prescription reads regular insulin, 8 units/hr by continuous intravenous (IV) infusion. The pharmacy prepares the medication and then delivers an IV bag labeled 100 units of regular insulin in 100 mL normal saline (NS). An infusion pump must be used to administer the medication. The nurse sets the infusion pump at how many milliliters (mL) per hour to deliver 8 units/hr? Fill in the blank.

8 mL/hr

The child who weighs 17 lb is to receive 72 mg/kg/day of a prescribed medication intravenously every 4 hours. How many milligrams would the nurse administer to the child in a single dose?

92.64 mg/single dose 17lbs/2.2=7.72 72mg/7.72kg/day= 555.84mg/day single dose=555.84mg/day/6(q4h)=92.64mg/single dose

A pediatric client with ventricular septal defect repair is placed on a maintenance dosage of digoxin. The dosage is 8 mcg/kg/day, and the client's weight is 7.2 kg. The pediatrician prescribes the digoxin to be given twice daily. The nurse prepares how many mcg of digoxin to administer to the child at each dose?

28.8 8mcg/7.2kg=57.6mcg/day 57.6mcg/2doses=28.8mcg for each dose

A primary health care provider's prescription reads phenytoin 0.3 g orally daily. The medication label states 100-mg capsules. The nurse prepares how many capsule(s) to administer 1 dose? Fill in the blank.

3 capsules

Penicillin V (potassium), 75 mg orally every 8 hours, is prescribed for a child with a respiratory infection. The medication label reads penicillin V, 125 mg per 5 mL. The nurse has determined that the dosage prescribed is safe for the child. The nurse prepares to administer how many milliliters per dose to the child? Fill in the blank.

3 mL/dose

The primary health care provider prescribes 0.075 g of a medication orally daily. The label on the medication bottle reads 25-mg tablets. How many tablet(s) will the nurse administer to the client?

3 tabs

A primary health care provider's prescription reads hydralazine 5 mg intravenously stat. The medication label reads hydralazine 20 mg/mL. The nurse prepares how many milliliters of the medication to administer the correct dose?

0.25 mL

A primary health care provider prescribes ketorolac 15 mg intramuscularly stat for a postoperative client in pain. The medication label states ketorolac 30 mg per mL. How many milliliters would the nurse prepare to administer to the client? Fill in the blank.

0.5 mL

The primary health care provider prescribes ketorolac 15 mg intravenous push. The medication vial states "30 mg/mL." How many milliliters will the nurse administer?

0.5 mL

A primary health care provider prescribes digoxin 0.125 mg to be administered orally. The label on the medication bottle reads 0.25 mg per tablet. How many tablet(s) would the nurse administer? Fill in the blank.

0.5 tabs

The nurse is reviewing the medication record and notes that a client is to receive heparin 6000 units subcutaneously. The medication label states heparin 10,000 units/mL. How much heparin will the nurse prepare to administer to the client?

0.6 mL

Morphine sulfate, 2.5 mg intravenous piggyback in 10 mL of normal saline, is prescribed. The medication label reads "1/15 gr per mL." The nurse would add how many milliliters of morphine sulfate to the 10 mL of normal saline solution? Round answer to 1 decimal place.

0.6 mL convert grains to mg: 1/15grx60mg=4mg 2.5mg/4mgx1ml=0.625ml=0.6ml

Penicillin G procaine, 1,000,000 units IM (intramuscularly), is prescribed for a client with an infection. The medication label reads "1,200,000 units per 2 mL." The nurse administers how many milliliters per dose to the client?

1.7 mL

A primary health care provider's prescription reads to administer an intravenous (IV) dose of 400,000 units of penicillin G benzathine. The label on the 10-mL ampule sent from the pharmacy reads penicillin G benzathine, 300,000 units/mL. The nurse prepares how much medication to administer the correct dose? Fill in the blank. Record your answer using 1 decimal place.

1.3 mL

Atropine sulfate, 0.6 mg intramuscularly, is prescribed for a child preoperatively. The nurse has determined that the dose prescribed is safe and prepares to administer how many milliliters to the child? Fill in the blank (refer to figure).

1.5 mL

A primary health care provider's prescription reads levothyroxine, 150 mcg orally daily. The medication label reads levothyroxine, 0.1 mg/tablet. The nurse administers how many tablet(s) to the client?

1.5 tabs

The primary health care provider's prescription reads levothyroxine, 150 mcg orally daily. The medication label reads levothyroxine, 0.1 mg per tablet. The nurse would plan to administer how many tablet(s) to the client? Fill in the blank.

1.5 tabs

A primary health care provider prescribes regular insulin 5 units per hour by continuous intravenous (IV) infusion. The pharmacy prepares the medication and then delivers an IV bag labeled 25 units of regular insulin in 50 mL of normal saline. An infusion pump must be used to administer the medication. How many milliliters per hour are required to deliver the prescribed dose? Fill in the blank.

10 mL/hr

A primary health care provider prescribes heparin sodium 900 units per hour by continuous intravenous (IV) infusion. The pharmacy prepares the medication and delivers an IV bag that is labeled heparin sodium 20,000 units per 250 mL of 5% dextrose in water. An infusion pump must be used to administer the medication. How many milliliters per hour are required to deliver the prescribed dose? Fill in the blank. Record your answer to the nearest whole number.

11 ml/hr

The primary health care provider prescribes regular insulin, 6 units per hour by continuous intravenous (IV) infusion. The pharmacy prepares the medication and then delivers an IV bag labeled 50 units of regular insulin in 100 mL of normal saline. An infusion pump must be used to administer the medication. The nurse would set the infusion pump at how many milliliters per hour to deliver the correct dose?

12 mL/hr

A primary health care provider prescribes 1000 mL of normal saline to infuse over 12 hours. The drop factor is 10 drops (gtt)/mL. The nurse prepares to set the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

14 gtts /min

The primary health care provider prescribes 500 mL of 0.9% normal saline to run over 6 hours. The drop factor is 10 drops (gtt) per 1 mL. The nurse sets the flow rate at how many drops per minute?

14 gtts/min

A primary health care provider's prescription reads acetaminophen liquid, 450 mg orally every 4 hours PRN (as needed) for pain. The medication label reads 160 mg/5 mL. The nurse prepares how many milliliters to administer 1 dose?

14 mL

A primary health care provider prescribes 1 unit of packed red blood cells to be infused over 4 hours. The unit of blood contains 250 mL. The drop factor is 15 drops (gtt)/mL. The nurse would set the flow rate at how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

16 gtts/min

A prescription reads heparin sodium, 1300 units/hr by continuous intravenous (IV) infusion. The pharmacy prepares the medication and delivers an IV bag labeled heparin sodium 20,000 units/250 mL D5W. An infusion pump must be used to administer the medication. The nurse sets the infusion pump at how many milliliters (mL) per hour to deliver 1300 units per hour? Fill in the blank. Record your answer to the nearest whole number.

16 mL/hr

The primary health care provider prescribes heparin sodium 800 units per hour, to be given by continuous intravenous (IV) infusion. The pharmacy prepares the medication and then delivers an IV bag labeled heparin 25,000 units in 500 mL of normal saline. An infusion pump must be used to administer the medication. The nurse would set the infusion pump at how many milliliters per hour to deliver the correct dose? Fill in the blank.

16 mL/hr

Ampicillin sodium, 250 mg in 50 mL of normal saline, is being administered over a period of 30 minutes. The drop factor is 10 gtt/mL. The nurse determines that the infusion is running at the prescribed rate if it is delivering how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

17 gtts/min

Ceftriaxone 1 g in 100 mL normal saline is to be administered over 60 minutes. The drop factor is 10 drops (gtt) per mL. The nurse sets the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

17 gtts/min

The client is to receive 1000 mL of D5W at 100 mL/hr. The drop factor is 10 gtt/mL. The nurse would adjust the flow rate to deliver how many drops per minute? Fill in the blank. Round your answer to the nearest whole number.

17 gtts/min

The nurse has a prescription to infuse 100 mL of antibiotic solution by the intravenous (IV) route over 1 hour. The tubing administration set has a drop factor of 10 drops (gtt) per mL. The nurse would regulate the roller clamp on the infusion set to deliver how many drops per minute?

17gtts/min

The primary health care provider prescribes erythromycin suspension 800 mg by mouth for a client with an infection. After reconstitution, how many milliliters would the nurse pour into the medicine cup to deliver the prescribed dose? Refer to figure. Fill in the blank.

20 mL

A primary health care provider prescribes phenytoin 0.1 g orally 3 times a day. The nurse determines that the prescribed dosage is being administered if the client will be receiving a total of how many milligrams in a 24-hour period? Fill in the blank.

300 mg

A primary health care provider prescribes 1000 mL of normal saline (NS) to infuse over 24 hours. The drop factor is 60 drops (gtt)/mL. The nurse prepares to set the flow rate at how many drops per minute? Fill in the blank. Record your answer to the nearest whole number.

42 gtts/min

A primary health care provider prescribes 1000 mL of normal saline to infuse over 6 hours. The drop factor is 15 drops (gtt)/mL. The nurse prepares to set the flow rate at how many drops per minute?

42 gtts/min

A primary health care provider prescribes 100 mL of normal saline to infuse over 30 minutes. The drop factor is 15 drops (gtt)/mL. The nurse prepares to set the flow rate at how many drops per minute? Fill in the blank.

50 gtts/min

The nurse hangs a 1000-mL intravenous (IV) bag of 5% dextrose in water (D5W) at 0700. The IV solution is to infuse at 80 mL/hr. At 1200, how much solution will be left to infuse? Fill in the blank.

600 mL

The primary health care provider (PHCP) prescription reads potassium chloride (KCl) 30 mEq to be added to 1000 mL normal saline and administered over a 10-hour period. The label on the medication bottle reads 4 mEq (KCl)/mL. The nurse prepares how many milliliters of KCl to administer the correct dose of medication? Fill in the blank.

7.5 mL