HESI DOSAGE CALCULATIONS EXAM 2025 NEWEST EXAM
CURRENTLY TESTING COMPLETE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS /ALREADY GRADED A+
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A male client receives a prescription for ondansetron hydrochloride (Zofran) 4
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mg IV to prevent postoperative nausea after an inguinal hernia repair. The medi
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cation is available in 2 mg/ml. How many ml should the nurse administer? (Enter
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numeric value only.) b b
Use ratio and proportion, 4 mg : X ml = 2 mg : 1 ml 2X = 4 X = 2 -
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answerUse ratio and proportion, 4 mg : X ml = 2 mg : 1 ml 2X = 4 X = 2
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The nurse is preparing to administer Hepatitis B Vaccine, Recombinant (Energix-
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B) 5 mcg IM to a school-
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aged child. The vaccine is labeled, 10 mcg/ml. How many ml should the nurse ad
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minister? (Enter numeric value only. If rounding is required, round to the neares
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t tenth). -
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answerUse ratio and proportion, 5 mcg : X ml :: 10 mcg : 1ml 10X = 5 X = 0.5 ml
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At the end of the shift, the nurse is recording the fluid balance for a client receiv
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ing a continuous gastrostomy tube (GT) feeding. Based on the client's records,
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how many ml should the nurse record for the total fluid balance (intake -
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output) for the shift that started at 0700 and ended at 1900? (Enter numeric val
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ue only.) (Click on each image asset for additional information.) - answer695
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The tube feeding is administered at 75 ml/hour for 11 hours (0700 -
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1800) and then turned off for one hour because the residual is greater than 200
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ml. 11 hours x 75 ml/hr = 825 ml. Three doses of 20 ml of medication are administ
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ered, with 10 ml of water used to flush the GT before and after each dose. 20 ml
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x 3 doses = 60 ml; 10 ml (flush) x 2 x 3 doses = 60 ml; so 825 ml + 60 ml + 60 ml =
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945 ml. 250 ml of residual is removed and not replaced. 945 ml -
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250 ml = 695 ml total fluid balance (Intake - output).
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A 180- b
pound adult male is admitted to the Emergency Center after receiving thermal
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burns to 60 percent of his body. Using the Parkland formula of 4 ml/kg/24 hours
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, the client should receive how many ml of fluid during the first 24 hours? (Enter
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the numeric value only. If rounding is required, round to the nearest whole num
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ber.) - answer19632 b b
Using the Parkland formula, the client's fluid requirements for the first 24 hours
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after injury: 4 ml lactated Ringer's solution x Body weight (in kilograms) x Perce
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nt burn. Convert 180 pounds to kg = .2 = 81.8 kg 4 ml x 81.8 kg x 60 = 19632
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ml over the first 24 hours.
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The healthcare provider prescribes acetazolamide (Diamox) 600 mg/m2/day div
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ided into 3 doses. The nurse calculates the child's body surface area (BSA) as 0.7
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m2. How many mg should the child receive per dose? (Enter the numeric value
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only.) - b
answerUsing the child's BSA, 0.7 m2, calculate the mg/dose, 600 mg x 0.7 m2 =
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420 mg/day/3 doses = 140 mg/dose
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A loading dose of acetylcysteine (Mucomyst) 8 grams, which is available as a 20
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% solution (200 mg acetylcysteine per ml) is prescribed by nasogastric tube for a
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client with acetaminophen toxicity. How many ml of diluent should be added to
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the medication to obtain a 1:4 concentration? (Enter the numerical value only. If
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rounding is required, round to the whole number.) -
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answer8 grams = 8,000 mg prescribed dose. Using the formula, D/H x Q, 8,000
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mg / 200 mg x 1 ml = 40 ml of the 20% solution. Dilute the 40 ml to a 1:4 concentr
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ation for administration using ratio and proportion, 1 : 4 solution :: 40 ml : X X= 1
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60 ml total volume to administer. Subtract total volume of 160 ml -
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40 ml of 20% concentration = 120 ml diluent is added to obtain a 1:4 concentrati
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on.
A child who weighs 55 pounds receives a prescription for atovaquone with prog
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uanil (Malarone Pediatric) 125 mg/50 mg PO daily. A drug reference states that c
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hildren 11 to 20 kg should receive 1 pediatric tablet daily; 21 to 30 kg should recei
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ve 2 pediatric tablets daily; 31 to 40 kg should receive 3 pediatric tablets daily; an
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d greater than 40 kg should receive 1 adult tablet daily with food. The drug is av
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ailable as atovaquone 62.5 mg/proguanil 25 mg pediatric tablets. How many tab
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