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SURGICAL PROCTORED ASSESSMENT 3.1 COMPLETE
30 QUESTIONS AND CORRECT ANSWERS|ALREADY
GRADED A+
1 g = ___ mg - ans1000 mg
1 kg=___lb - ans2.2 lb
1 kg=__g - ans1000 g
1 L= ____ mL - ans1000 mL
1 mg= _____ mcg - ans1000 mcg
1 oz =__mL - ans30 mL
1 tbsp= ___ mL - ans15 mL
1 tbsp=__ tsp - ans3 tsp
1 tsp = ___ mL - ans5 mL
A nurse is caring for a patient who weighs 128 lb. What is the patient's weight in kg?
(Round to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 58.2 kg
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? kg
Step 2: Set up an equation and solve for X.
2.2 lb/ 1 kg = Client's weight in lb /X kg
2.2 lb/ 1 kg = 128 lb / X kg
X kg = 58.181818 kg
Step 3: Round if necessary. 58.181818 kg = 58.2 kg
Step 4: Determine whether the weight conversion makes sense. If the client weighs 128 lb and 2.2 lb equals 1 kg, it makes
sense that the client weighs 58.2 kg.
A nurse is preparing a label for amoxicillin oral suspension that was just reconstituted. The nurse should document on the label
that the medication should be discarded how many days following reconstitution?
(Picture of Amoxicillin label:
Front: Brand name, Amoxicillin for oral suspension, 400 mg/5mL, 75 mL (when reconstituted), when reconstituted: each 5 mL
contains: Amoxicillin as the trihydrate 400mg)
back: Usual dosage: administer every 12 hours. net contents: Equivalent of 6 grams of amoxicillin). Directions for mixing: tap
bottle until all powder flows freely; Add aproximately 1/3 total amount of water for reconstitution (total=51 mL); shake vigorously
to wet powder; each 5 mL contains: Amoxicillin 400mg. Keep tightly closed. Shake well before using. Rerigeration is preferable
but not required. Discard suspension after 14 days.) - ansAnswer: 14 days
Explanation: According to the medication label, the amoxicillin oral suspension should be discarded 14 days following
reconstitution to reduce the risk of injury to the client.
A nurse is preparing to administer 2 Tbsp of ibuprofen to a client. How many mL should the nurse administer per dose?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 30 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 2 Tbsp
Step 3: What is the dose available? Dose available = Have 1 mL
Step 4: Should the nurse convert the units of measurement? Yes (Tbsp does not equal mL)
1 Tbsp / 15 mL = 2 Tbsp / X mL
X mL = 30 mL
Step 5: Round if necessary.
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Step 6: Determine whether the amount to administer makes sense. If the prescription reads 2 Tbsp and 1 Tbsp equals 15 mL, it
makes sense to administer 30 mL. The nurse should administer ibuprofen 30 mL.
A nurse is preparing to administer 750,000 units of procaine penicillin G IM. Available is procaine penicillin G injection 600,000
units/mL. How many mL should the nurse administer per dose?
(Round answer to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 1.3 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 750,000 units
Step 3: What is the dose available? Dose available = Have 600,000 units
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/ Quantity= Desired /X
600,000 units/1 mL = 750,000 units/X mL
X mL = 1.25 mL
Step 7: Round if necessary. 1.25 mL = 1.3 mL
Step 8: Determine whether the amount to administer makes sense. If there are 600,000 units/mL and the prescription reads
750,000 units, it makes sense to administer 1.3 mL. The nurse should administer procaine penicillin G 1.3 mL IM.
A nurse is preparing to administer benzathine penicillin G 1,200,000 units IM. Available is benzathine penicillin G injection
600,000 units/mL. How many mL should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 1,200,000 units
Step 3: What is the dose available? Dose available = Have 600,000 units
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
600,000 units / 1 mL = 1,200,000 units / X mL
X mL = 2 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 600,000 units/mL and the prescription reads
1,200,000 units, it makes sense to administer 2 mL. The nurse should administer benzathine penicillin G 2 mL IM.
A nurse is preparing to administer cefaclor 500 mg PO every 12 hours. Available is cefaclor oral suspension 250 mg/5 mL. How
many mL should the nurse administer per dose?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 10 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 500 mg
Step 3: What is the dose available? Dose available = Have 250 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 5 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
250 mg /5 mL = 500 mg / X mL
X mL = 10 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 250 mg/5 mL and the prescription reads 500
mg, it makes sense to administer 10 mL. The nurse should administer cefaclor oral suspension 10 mL PO every 12 hr.
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A nurse is preparing to administer cefazolin 1 g IM. The nurse reconstitutes a 1 g vial of cefazolin with sterile water to yield a
final concentration of 330 mg/mL. How many mL should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 3 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 1 g
Step 3: What is the dose available? Dose available = Have 330 mg
Step 4: Should the nurse convert the units of measurement? Yes (g does not equal mg)
1 g / 1,000 mg = 1 g / X mg
X mg = 1,000 mg
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
330 mg/1 mL = 1,000 mg/ X mL
X mL = 3.030303 mL
Step 7: Round if necessary. 3.030303 mL = 3 mL
Step 8: Determine whether the amount to administer makes sense. If there are 330 mg/mL and the prescription reads 1 g, it
makes sense to administer 3 mL. The nurse should administer cefazolin 3 mL IM.
A nurse is preparing to administer codeine 20 mg PO every 6 hr PRN pain. Available is codeine oral solution 10 mg/ 5 mL. How
many mL should the nurse administer per dose?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 10 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mg
Step 3: What is the dose available? Dose available = Have 10 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 5 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
10 mg/ 5 mL = 20 mg/ X mL
X mL = 10 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 10 mg/5 mL and the prescription reads 20 mg, it
makes sense to administer 10 mL. The nurse should administer codeine oral solution 10 mL PO every 6 hr PRN pain.
A nurse is preparing to administer codeine 20 mL oral solution to a patient. How many tsp should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 4 tsp
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? tsp
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mL
Step 3: What is the dose available? Dose available = Have 1 tsp
Step 4: Should the nurse convert the units of measurement? Yes (mL does not equal tsp)
5 mL / 1 tsp = 20 mL / X tsp
X tsp = 4 tsp
Step 5: Round if necessary.
Step 6: Determine whether the amount to administer makes sense. If the prescription reads 20 mL and 5 mL equals 1 tsp, it
makes sense to administer 4 tsp. The nurse should administer codeine oral solution 4 tsp PO.
A nurse is preparing to administer eszopiclone 2,000 mcg PO to a client. How many mg should the nurse administer?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mg
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mg
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Step 2: What is the dose the nurse should administer? Dose to administer = Desired 2,000 mcg
Step 3: What is the dose available? Dose available = Have 1 mg
Step 4: Should the nurse convert the units of measurement? Yes (mcg does not equal mg)
1,000 mcg/1 mg = 2,000 mcg/X mg
X mg = 2 mg
Step 5: Round if necessary.
Step 6: Determine whether the amount to administer makes sense. If the prescription reads 2,000 mcg and 1,000 mcg equals 1
mg, it makes sense to administer 2 mg. The nurse should administer eszopiclone 2 mg PO.
A nurse is preparing to administer famotidine 40 mg PO at bedtime. Available is famotidine 20 mg/tablet. How many tablets
should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 tablets
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? tablet(s)
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 40 mg
Step 3: What is the dose available? Dose available = Have 20 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 tablet
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
20 mg/ 1 tablet = 40 mg/X tablet(s)
X tablet(s) = 2 tablets
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 20 mg/tablet and the prescription reads 40 mg, it
makes sense to administer 2 tablets. The nurse should administer famotidine 2 tablets PO at bedtime.
A nurse is preparing to administer furosemide 20 mg IM. Available is furosemide injection 10 mg/mL. How many mL should the
nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mg
Step 3: What is the dose available? Dose available = Have 10 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
10 mg/ 1 mL = 20 mg / X mL
X mL = 2 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 10 mg/mL and the prescription reads 20 mg, it
makes sense to administer 2 mL. The nurse should administer furosemide 2 mL IM.
A nurse is preparing to administer haloperidol lactate 3 mg IM to a patient. Available is haloperidol injection 5 mg/mL. How
many mL should the nurse administer?
(Round answer to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 0.6 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 3 mg
Step 3: What is the dose available? Dose available = Have 5 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
5 mg/ 1 mL = 3 mg / X mL
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CALCULATION
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SURGICAL PROCTORED ASSESSMENT 3.1 COMPLETE
30 QUESTIONS AND CORRECT ANSWERS|ALREADY
GRADED A+
1 g = ___ mg - ans1000 mg
1 kg=___lb - ans2.2 lb
1 kg=__g - ans1000 g
1 L= ____ mL - ans1000 mL
1 mg= _____ mcg - ans1000 mcg
1 oz =__mL - ans30 mL
1 tbsp= ___ mL - ans15 mL
1 tbsp=__ tsp - ans3 tsp
1 tsp = ___ mL - ans5 mL
A nurse is caring for a patient who weighs 128 lb. What is the patient's weight in kg?
(Round to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 58.2 kg
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? kg
Step 2: Set up an equation and solve for X.
2.2 lb/ 1 kg = Client's weight in lb /X kg
2.2 lb/ 1 kg = 128 lb / X kg
X kg = 58.181818 kg
Step 3: Round if necessary. 58.181818 kg = 58.2 kg
Step 4: Determine whether the weight conversion makes sense. If the client weighs 128 lb and 2.2 lb equals 1 kg, it makes
sense that the client weighs 58.2 kg.
A nurse is preparing a label for amoxicillin oral suspension that was just reconstituted. The nurse should document on the label
that the medication should be discarded how many days following reconstitution?
(Picture of Amoxicillin label:
Front: Brand name, Amoxicillin for oral suspension, 400 mg/5mL, 75 mL (when reconstituted), when reconstituted: each 5 mL
contains: Amoxicillin as the trihydrate 400mg)
back: Usual dosage: administer every 12 hours. net contents: Equivalent of 6 grams of amoxicillin). Directions for mixing: tap
bottle until all powder flows freely; Add aproximately 1/3 total amount of water for reconstitution (total=51 mL); shake vigorously
to wet powder; each 5 mL contains: Amoxicillin 400mg. Keep tightly closed. Shake well before using. Rerigeration is preferable
but not required. Discard suspension after 14 days.) - ansAnswer: 14 days
Explanation: According to the medication label, the amoxicillin oral suspension should be discarded 14 days following
reconstitution to reduce the risk of injury to the client.
A nurse is preparing to administer 2 Tbsp of ibuprofen to a client. How many mL should the nurse administer per dose?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 30 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 2 Tbsp
Step 3: What is the dose available? Dose available = Have 1 mL
Step 4: Should the nurse convert the units of measurement? Yes (Tbsp does not equal mL)
1 Tbsp / 15 mL = 2 Tbsp / X mL
X mL = 30 mL
Step 5: Round if necessary.
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Step 6: Determine whether the amount to administer makes sense. If the prescription reads 2 Tbsp and 1 Tbsp equals 15 mL, it
makes sense to administer 30 mL. The nurse should administer ibuprofen 30 mL.
A nurse is preparing to administer 750,000 units of procaine penicillin G IM. Available is procaine penicillin G injection 600,000
units/mL. How many mL should the nurse administer per dose?
(Round answer to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 1.3 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 750,000 units
Step 3: What is the dose available? Dose available = Have 600,000 units
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/ Quantity= Desired /X
600,000 units/1 mL = 750,000 units/X mL
X mL = 1.25 mL
Step 7: Round if necessary. 1.25 mL = 1.3 mL
Step 8: Determine whether the amount to administer makes sense. If there are 600,000 units/mL and the prescription reads
750,000 units, it makes sense to administer 1.3 mL. The nurse should administer procaine penicillin G 1.3 mL IM.
A nurse is preparing to administer benzathine penicillin G 1,200,000 units IM. Available is benzathine penicillin G injection
600,000 units/mL. How many mL should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 1,200,000 units
Step 3: What is the dose available? Dose available = Have 600,000 units
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
600,000 units / 1 mL = 1,200,000 units / X mL
X mL = 2 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 600,000 units/mL and the prescription reads
1,200,000 units, it makes sense to administer 2 mL. The nurse should administer benzathine penicillin G 2 mL IM.
A nurse is preparing to administer cefaclor 500 mg PO every 12 hours. Available is cefaclor oral suspension 250 mg/5 mL. How
many mL should the nurse administer per dose?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 10 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 500 mg
Step 3: What is the dose available? Dose available = Have 250 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 5 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
250 mg /5 mL = 500 mg / X mL
X mL = 10 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 250 mg/5 mL and the prescription reads 500
mg, it makes sense to administer 10 mL. The nurse should administer cefaclor oral suspension 10 mL PO every 12 hr.
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SURGICAL PROCTORED ASSESSMENT 3.1 COMPLETE
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GRADED A+
A nurse is preparing to administer cefazolin 1 g IM. The nurse reconstitutes a 1 g vial of cefazolin with sterile water to yield a
final concentration of 330 mg/mL. How many mL should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 3 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 1 g
Step 3: What is the dose available? Dose available = Have 330 mg
Step 4: Should the nurse convert the units of measurement? Yes (g does not equal mg)
1 g / 1,000 mg = 1 g / X mg
X mg = 1,000 mg
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
330 mg/1 mL = 1,000 mg/ X mL
X mL = 3.030303 mL
Step 7: Round if necessary. 3.030303 mL = 3 mL
Step 8: Determine whether the amount to administer makes sense. If there are 330 mg/mL and the prescription reads 1 g, it
makes sense to administer 3 mL. The nurse should administer cefazolin 3 mL IM.
A nurse is preparing to administer codeine 20 mg PO every 6 hr PRN pain. Available is codeine oral solution 10 mg/ 5 mL. How
many mL should the nurse administer per dose?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 10 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mg
Step 3: What is the dose available? Dose available = Have 10 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 5 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
10 mg/ 5 mL = 20 mg/ X mL
X mL = 10 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 10 mg/5 mL and the prescription reads 20 mg, it
makes sense to administer 10 mL. The nurse should administer codeine oral solution 10 mL PO every 6 hr PRN pain.
A nurse is preparing to administer codeine 20 mL oral solution to a patient. How many tsp should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 4 tsp
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? tsp
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mL
Step 3: What is the dose available? Dose available = Have 1 tsp
Step 4: Should the nurse convert the units of measurement? Yes (mL does not equal tsp)
5 mL / 1 tsp = 20 mL / X tsp
X tsp = 4 tsp
Step 5: Round if necessary.
Step 6: Determine whether the amount to administer makes sense. If the prescription reads 20 mL and 5 mL equals 1 tsp, it
makes sense to administer 4 tsp. The nurse should administer codeine oral solution 4 tsp PO.
A nurse is preparing to administer eszopiclone 2,000 mcg PO to a client. How many mg should the nurse administer?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mg
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mg
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Step 2: What is the dose the nurse should administer? Dose to administer = Desired 2,000 mcg
Step 3: What is the dose available? Dose available = Have 1 mg
Step 4: Should the nurse convert the units of measurement? Yes (mcg does not equal mg)
1,000 mcg/1 mg = 2,000 mcg/X mg
X mg = 2 mg
Step 5: Round if necessary.
Step 6: Determine whether the amount to administer makes sense. If the prescription reads 2,000 mcg and 1,000 mcg equals 1
mg, it makes sense to administer 2 mg. The nurse should administer eszopiclone 2 mg PO.
A nurse is preparing to administer famotidine 40 mg PO at bedtime. Available is famotidine 20 mg/tablet. How many tablets
should the nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 tablets
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? tablet(s)
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 40 mg
Step 3: What is the dose available? Dose available = Have 20 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 tablet
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
20 mg/ 1 tablet = 40 mg/X tablet(s)
X tablet(s) = 2 tablets
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 20 mg/tablet and the prescription reads 40 mg, it
makes sense to administer 2 tablets. The nurse should administer famotidine 2 tablets PO at bedtime.
A nurse is preparing to administer furosemide 20 mg IM. Available is furosemide injection 10 mg/mL. How many mL should the
nurse administer?
(Round answer to nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 2 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 20 mg
Step 3: What is the dose available? Dose available = Have 10 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
10 mg/ 1 mL = 20 mg / X mL
X mL = 2 mL
Step 7: Round if necessary.
Step 8: Determine whether the amount to administer makes sense. If there are 10 mg/mL and the prescription reads 20 mg, it
makes sense to administer 2 mL. The nurse should administer furosemide 2 mL IM.
A nurse is preparing to administer haloperidol lactate 3 mg IM to a patient. Available is haloperidol injection 5 mg/mL. How
many mL should the nurse administer?
(Round answer to nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.) - ansAnswer: 0.6 mL
Follow these steps for the Ratio and Proportion method of calculation:
Step 1: What is the unit of measurement the nurse should calculate? mL
Step 2: What is the dose the nurse should administer? Dose to administer = Desired 3 mg
Step 3: What is the dose available? Dose available = Have 5 mg
Step 4: Should the nurse convert the units of measurement? No
Step 5: What is the quantity of the dose available? 1 mL
Step 6: Set up an equation and solve for X.
Have/Quantity = Desired/X
5 mg/ 1 mL = 3 mg / X mL
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