Dosage Calculations Practice Exam

________ A client returns to the nursing unit from surgery with a prescription for Lactated Ringer's solution 1,000 ml to be infused over 10 hours. The IV administration set delivers 60 gtts/ml. The nurse should regulate the infusion to deliver how many gtts/minute? (If rounding is requiredm enter a whole number.)

100

______ A client with hypertension who weighs 72.4 kg is receiving an IV infusion of Dextrose 5% in Water (D5W) 250 ml with nitroprusside (Nipride) 50 mg at 75 ml/hour. How many mcg/kg/minute is the client receiving? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

3.5

A client is to receive an IV of Sodium Chloride 0.9% injection (Normal Saline) 250 ml with KCl 10 mEq IV over 4 hours. What rate should the nurse program the client's IV infusion pump? a. 13 ml/hour b. 63 ml/hour c. 80 ml/hour d. 125 ml/hour

B

________ The nurse is preparing to administer Hepatitis B Vaccine, Recombinant (Energix-B) 5 mcg IM to a school-aged child. The vaccine is labeled 10 mcg/ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required round to the nearest tenth).

0.5

_______ The nurse is preparing to administer bumetanide (Bumex) 0.25 mg IV. The medication is available in a vial labeled "1mg/4 ml." How many ml of medication should the nurse administer? (Enter numeric value only.)

1

______ A client is receiving an IV solution of sodium chloride 0.9% (Normal Saline) 250 ml with amiodarone (Cordarone) 1 gram at 17 ml/hour. How many mg/minute of amiodarone is infusing? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

1.1

______ A client who has AIDS is receiving octreotide (Sandostatin) 1,200 mcg by subcutaneous injection every day for symptoms of diarrhea. Octreotide is available for infection ni 1 mg/ml vials. How many ml should the nurse administer? (Enter the numeric value only. If rounding is required, round to the nearest tenth.)

1.2

_______ A client who weighs 70 kg is receiving a solution of 0.9% Sodium Chloride (Normal Saline) 500 ml with dopamine 800 mg at 5 ml/hour. How many mcg/kg/minute is the client receiving? (Enter the numeric value only. If rounding is required, round to the nearest tenth.)

1.9

_______ The nurse notes that a client is receiving an oxytocin (Pitocin) infusion via a pump that is programmed to deliver 30 ml/hour. The available solution is Ringer's Lactated 1,000 ml with Pitocin 20 units. How many milliunits/minute is the client receiving? (Enter numeric value only, whole number.)

10

______ A client with a gastrostomy tube (GT) receives a prescription for a 250 ml bolus feeding of Glucerna60% enteral formula. The nurse should dilute the full-strength formula with how many ml of water? (enter numeric value only).

100

_______ A client scheduled for surgeyr is to receive an IV infusion of 0.9% sodium chloride with prochlorperazine edisylate (Compazine) 10 mg/50 ml over 30 minutes. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only, as a whole number.)

100

_______ A client who weights 176 pounds is receiving an IV infusion with esmolol hydrochloride (Brevibloc) at 48 ml/hour. The IV solution is labeled with the concentration of Brevibloc 10 mg/ml. How many mcg/kg/minute is the client receiving? (Enter numeric value only. Round to nearest whole number.)

100

_______ The healthcare provider prescribes a secondary infusion of Dextrose 5% in Water (D5W) 50 mg IV with magnesium sulfate 4 gram/50 ml to be infused over 30 minutes for a client with preeclampsia. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nears whole number.)

100

________ A client with cardiogenic shock who weighs 220 pounds is receiving a solution of Dextrose 5% in Water (D5W) 250 ml with dopamine 400 mg at the rate of 3 mcg/kg/minute. The nurse should set the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is requires, round to the nearest tenth.)

11.3

_________ A client who had mitral valve replacement surgery receives a prescription for Dextrose 5% in Water (D5W) 250 ml with dobutamine 0.5 grams for IV infusion at a rate of 5 mcg/kg/minute. The client weighs 75 kg. The nurse should program the infusion pump to deliver how many ml/hr? (enter numeric value only. If rounding is required, round to the nearest tenth.)

11.3

_________ A child who is scheduled for a kidney transplant receives a prescriptions of basiliximab (Simulect) 20 mg IV 2 hours prior to surgery. The medication is availble in a 20 mg vial that is reconstituted by adding 5 ml to be infused over 30 minutes. The nurse should program the infusion pump to deliver how many ml/hour? (Enter the numeric value only as a whole number)

110

________ A client receives a prescription for inamrinone (Inocor) 0.75 mg/kg IV bolus to be delivered over 3 minutes. The client weighs 80 kg. Inamrinone is abilable for injection, 100 mg/20 ml. How many ml of inamrinone should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

12

_____ a loading dose of acetylcysteine (Mucomyst) 8 grams, which is available as a 20% solution (200 mg actylcysteine per ml) is prescribed by nasogastric tube for a client with acetaminophen toxicity,. How many ml of dileunt should be added to the medication to obtain a 1:4 concentration? (Enter the numerical value only. If rounding is required, round to the whole number.)

120

________ The healthcare provider prescribes a continuous intravenous infusion of Dextrose 5% in 0.45% sodium chloride (D5 1/2 NS) with KCl 20 mEq/1000 ml to be infused over 8 hours. How many ml/hour should the nurse program the infusion pump? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

125

________ The nurse is administering an intravenous solution 250 ml to be infused over 2 hours. How many ml/hour should the nurse program the infusion pump? (Enter numeric value only, whole number.)

125

________ The healthcare provider prescribes a continuous infusion of 5% dextrose in 0.45% sodium chloride at 85 ml/hour. The IV administration set delivers 10 gtt/ml. The nurse should regulate the drop rate to deliver how many gtts/minute? (Enter numeric value only only. If rounding is required, round to the nearest whole number.)

14

______ The healthcare provider prescribes acetazolamide (Diamox) 600 mg/m^2/day divided into 3 doses. The nurse calculates the child's body surface area (BSA) as 0.7 m^2. How many mg should the child receive per dose? (Enter the numeric value, whole number, only.)

140

______ A client receives a prescription for a dose of medication 300 mg IV every 6 hours. The preparation arrives from the pharmacy diluted in a secondary infusion of 0.9% Sodium Chloride (NaCl) 50 ml. The nurse plans to administer the dose over 20 minutes. How many ml/hour should the nurse program the infusion pump to deliver the secondary infusion? (Enter the numeric value only, rounded to a whole number.)

150

_______ The healthcare provider prescribes an IV infusion of 0.9% sodium chloride 500 ml with potassium chloride (KCl) 40 mEq to infuse over 3 hours for a client with hypokalemia. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding si required, round to the nearest whole number.)

167

A client is receiving 5% Dextrose injection 500 ml IV with Heparin Sodium 25,000 Units at 1,000 unit/hour per protocol for acute coronary syndrome (acs). The client's partial thromboplastin time (PTT) is 76 seconds. Based on the ACS protocol, the infusion should be decreased by 100 units/hour for a PTT between 71 to 80 seconds. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only, whole number.)

18

______ The healthcare provider prescribes acetaminophen elixir (Tylenol elixir) 600 mg PO every 6 hours for an adult client experiencing pain associated with maxillofacial surgery. The bottle is labeled 500 mg/15 ml. How many ml should the nurse administer (Enter numeric value only. If rounding is required, round to the nearest tenth.)

18

_______ A client who has a gastrostomy feeding tube is receiving 3/4 strength Ensure 240 ml every 6 hours. Full strength Ensure is available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value only. If needed, round to the nearest whole number.)

180

______ An adult male who weights 180 pound is admitted to the Emergency Center after receiving thermal burns to 60 percent of his body. Using the Parkland formula 4ml/kg/ hours, the client should receive how many ml of fluid during the first 24 hours? (Enter the nuemric value only. If rounding is required, round to the nearest whole number.)

19632

______ A male client receives a prescription for ondansetron hydrochloride (Zofran) 4 mg IV to prevent postoperative nausea after an inguinal hernia repair. The medication is available in 2 mg/ml. How many ml should the nurse administer/ (Enter numeric value only, whole number).

2

_______ A child woh weighs 55 pounds receives a prescription for atovaquone with proguanil (Malarone Pediatric) 125 mg/50 mg PO daily. A drug reference states that children 11 to 20 kg should receive 1 pediatric tablet daily; 21 to 30 kg should receive 3 pediatric tablets daily; and greater than 40 kg should receive 1 adult tablet daily with food. The drug is available as atovaquone 62.5 mg/proguanil 25 mg pediatric tablets. How many tablets should the nurse administer?

2

_______ A client with Myobacterium avium complex (MAC) is receiving an infusion of 5% dextrose in water (D5W) with amikacin (Amikin) 0.572 grams/100 ml every 12 hours. The nurse prepares the dose of amikacin using a vial labeled, "250 mg/ml." How many ml should the nurse add to the infusion? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

2.3

______ An IV secondary infusion of 0.9% normal saline 100 ml with inamrinone (Inocor) 0.1 grams/100 ml is prescribed for client with heart fialure. The medication is to be delivered at a rate of 400 mcg/minute. The nurse should prgram the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

24

________ A client who is experiencing cardiogenic shock receives a prescription for an IV solution of 0.9% normal saline 100 ml with milrinone (Primacor) 10 mg in at an infusion rate of 46 mcg/minute. The nurse should program the infusion pump to deliver how many ml/hour?(Enter numeric value only. If rounding is required, round to the nearest whole number.)

28

______ The health care provider prescribes trimethroprim-sulfamethoxazole 120 mg BID for a child with bronchitis. The bactrim bottle is labeled "200 mg/5ml." How many ml should the nurse administer at each dose? (Enter the numeric value, whole number, only.)

3

______ The healthcare provider prescribes oxytocin (Pitocin) 0.5 milliunits/minute for a client in labor. One liter Ringer's Lactate with 10 units of oxytocin (Pitocin) is infusing. The nurse should program the infusion pump at how many ml/hour? (Enter numeric value only.)

3

_______ A client with hypertension recieves a prescription for carteolol (Cartel) 7.5 mg tablets. How many tablets should the nurse administer? (Enter numeric value only, whole number.)

3

_______ A child with a urinary tract infection is receiving cephalexin (Keflex) 100 mg suspension PO QID. Keflex oral suspension is labeled "125 mg in 5 ml." How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

4

______ An IV infusion of Dextrose 5% in normal saline (D5NS) 1,000 ml with oxytocin (Pitocin) 20 units is prescribed for a client to control postpartum bleeding. The solution is to be administered at a rate of 2 mu/minute. How many ml/hour should the nurse program the infusion pump? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

6

______ A healthcare provider prescribes a continuous infusion of 0.9% sodium chloride 250 ml with pancuronium (Pavulon) 25 mg at a rate of 0.1 mg/kg/hour for a client with coronary artery bypass grafting. The client weighs 78 kg. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. IF rounding is required, round to the nearest tenth.)

78

________ A client with septic shock receives a prescription for dDextrose 5% in Water (D5W) 250 ml with dopamine (Intropin) 0.6 grams/250 ml at a rate of 5 mcg/kg/minute. The client's weight is 148 pounds The nurse should set the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

8

_________ A client receives a prescription for an intravenous infusion of Dextrose 5% in 0.45% Sodium chloride (D51/2 NS) 500 ml to be infused over 6 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

83

______ The nurse is preparing the change-of-shift report for a client who has a 265 ml secondary infusion that was started 2 hours ago at a rate of 85 ml/hour via an infusion pump. The nurse should report that how many ml remain to be infused by the oncoming nurse? (Enter numeric value only.)

95

_______ A client is receiving dantrolene sodium (Dantrium) Po for malignant hyperthermia. The maximum safe dose is 8 mg/kg/day in 4 divided doses. The client currently weighs 48.5kg. What is the maximum safe dose the nruse should administer? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

97

Heparin 20,000 units in 500 ml D5w at 50 ml/hour has been infusing for 5.5 hours. How many units of heparin has the client received? a. 11,000 units b. 13,000 units c. 15,000 units d. 17,000 units

A

A client is receiving a cephalosporin antibitoic IV and complains of pain and irritation at the infusion site. The nurse observes erythemia, swelling, and a red streak along the vessel above the IV access site. Which action should the nurse take? a. Administer the medication more rapidly using the same IV site b. Initiate an alteranate site for the IV infusion of the medication c. Notify the healthcare provider before administering the next dose d. Give the client a PRN dose of aspirin whole the medication infuses

B

A client's IV infusion of 0.9% Sodium Chloride (normal saline) infiltrated earlier today, and approximately 500 ml of normal saline infused into the subcutaneous tissue. The client is now complaining of excruciating arm pain and demanding "stronger pain medications." What action is most important for the nurse to take? A. Ask about any past history of drug abuse or addiction. B. Measure the pulse volume and capillary refill distal to the infiltration. C. Compress the infiltrated tissue to measure the degree of edema. D. Evaluate the extent of ecchymosis over the forearm area.

B

The healthcare provide rprescribes an IV infusion of Ringer's Lactate 1,000 mnl with 30 units of Pitocin to run in over 4 hours for a client who has just delivered a 10 pound infant by cesarean section. The tubing ahs been changed to a 20 gtt /ml administration set. The nruse plans to set the flow rate at how many gtt/minute? a. 42 gtt/min b. 83 gtt/min c. 125 gtt/min d. 250 gtt/min

B

The healthcare provider prescribes furosemide (Lasix) 15 mg IV STAT for a client. On hand is an ampoule labeled, furosemide (Lasix) 20 mg/2ml. How many milliliters should the nurse administer? a. 1 ml b. 1.5 ml c. 1.75 ml d. 2 ml

B

What action should the nurse implement accessing an implanted infusion port for a client who receives long term IV medications? a. Cleanse the site with iodine solution b. Insert a Huber-point needle into the port c. Flush tubing with 5 ml of normal saline d. Place a sterile dressing over the port

B

A client who has been NPO for 3 days is receiving an infusion of Dextrose 5% in 0.45% Sodium Chloride (D51/2 NS) with potassium chloride (KCl) 20 mEq at 83/hour. The client's 8-hour urine output is 400 ml, blood urea nitrogen (BUN) is 15 mg/dl (5.355 mmol/L), lungs are clear bilaterally, serum glucose is 110 mg/dl (6.1 mmol/L), and serum potassium is 3.7 mEq/L (3.7 mmol/L). Which action should the nurse implement? a. Notify healthcare provider and request ot change the IV infusion to hypertonic D10W b. Decrease in the infusion rate of the current IV and report to the healthcare provider c. Document in the medical record that these normal findings are expected outcomes d. Obtain potassium chloride 20 mEq in anticipation of a prescription to add to present IV

C

The nurse is caring for a client who is receiving 24-hour total parenteral nutrition (TPN) via a central line at 54 ml/hr. When initially assessing the client, the nurse notes that the TPN solution has run out and the next TPN solution is not available. What immediate action should the nurse take? a. Infuse normal saline at a keep vein open rate b. Discontinue the IV and flush the port with heparin c. Infuse 10% dextrose and water at 54 ml/hour d. Obtain a stat blood glucose level and notify the healthcare provider

C

The nurse prepares 5% Dextrose Injection, USP, 1,000 ml OV to be infused over 8 hours. The infusion set delivers 10 drops per milliliter. The nurse should regulate the IV to administer how many drops per minute? (Round to the nearest whole number.) a. 80 b. 8 c. 21 d. 25

C

An IV infusion of terbutaline sulfate 5 mg in 500 ml of D5W, infusing at a rate o f30 mcg/min, is prescribed for a client in premature labor. How many ml/hr should the nurse set the infusion pump? a. 30 b. 60 c. 120 d. 180

D

Nitroprusside sodium (Nipride) 50 mg is mixed in D5w 250 ml. The nurse plans to administer the solution at a rate of 5 mcg/kg/minute to a client weighing 182 pounds. Using a drip factor of 60 gtt/ml, how many drops per minute should the nurse regulate the infusion? a. 31 gtt/min b. 62 gtt/min c. 93 gtt/min d. 124 gtt/min

D