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RN MedMath Exam 2

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Title : RN MedMath Exam 2

Type : Nursing

Category : RN Nursing Exam(s)

Subcategory : ATI Exam(s)

Domain : RN ATI Dosage Calculations

Fragment : N/A

Module : RN-NURSING

Exam Status : active

Rating : 95.00%

Attempts Allowed : 100

Exam Year : 2024

Duration : 60 minutes

Total Questions : 10

Passing Score : 90%

Difficulty : Medium

Instructions : Read each question carefully and select the correct answer. Ensure you manage your time effectively to complete all questions within the given timeframe, as answers cannot be changed after submission.

Description : This exam assesses students' proficiency in dosage calculations, including drug conversions, IV flow rates, weight-based dosing, and safe medication administration. The format includes MCQs and calculation-based questions.

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1 : A nurse is preparing to administer ticarcillin / clavulanate 3.1 g by intermittent IV bolus over 30 min. Available is ticarcillin clavulanate 3.1 g in 150 ml 0.9% sodium chloride (NSS). The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero)

Hint : Convert minutes to hours.

Correct Answers:

Rationale :

150 mL over 30 minutes = 150 mL ÷ 0.5 hr = 300 mL/hr.

Distractor Analysis :

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2 : A nurse is preparing to administer tobramycin 3 mg/kg/day 1M divided in three equal doses to a client who weighs 50 kg. Available is tobramycin 40 mg/mL How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Calculate dose per administration.

Correct Answers:

Rationale :

3 mg/kg/day × 50 kg = 150 mg/day ÷ 3 doses = 50 mg/dose → 50 mg ÷ 40 mg/mL = 1.3 mL.

Distractor Analysis :

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3 : A nurse is calculating the total fluid intake for a client on strict 180; during your shift the client had 12 oz of orange juice, 12 oz of ice chips, 6 oz of coffee with 4 oz of skim milk, 24 oz of water, and 1000 mL of IV fluid infusion. What was the client's total intake for your shift?

Hint : Convert ounces to milliliters.

Correct Answers:

2560

Rationale :

Convert all fluids to mL: 12 oz = 360 mL, 6 oz = 180 mL, 4 oz = 120 mL, 24 oz = 720 mL, 1000 mL IV = 1000 mL. Total = 360 + 360 + 180 + 120 + 720 + 1000 = 2560 mL.

Distractor Analysis :

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4 : A nurse is preparing to administer Rosuvastatin 4000 mcg PO ac. Available: Rosuvastatin 2 mg tablet. How many tabs will the nurse administer? Round to the whole number. Use a leading zero if it applies. Do not use a trailing zero.

Hint : Convert micrograms to milligrams.

Correct Answers:

Rationale :

4000 mcg = 4 mg → 4 mg ÷ 2 mg/tablet = 2 tablets.

Distractor Analysis :

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5 : A nurse is preparing to administer digoxin 8 mg/kg/day PC divided equally every 12 hr for a preschooler who weighs 33 b. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero If it applies. Do not use a trailing zero.)

Hint : Convert pounds to kilograms.

Correct Answers:

Rationale :

33 lb ÷ 2.2 = 15 kg → 8 mg/kg/day × 15 kg = 120 mg/day ÷ 2 doses = 60 mg/dose → 60 mg ÷ 0.05 mg/mL = 1.2 mL.

Distractor Analysis :

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6 : A nurse is preparing to administer daptomycin 475 mg IV bolus. The nurse reconstitutes a vial of daptomycin to yield a final concentration of 0.5 g/10 ml How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Convert grams to milligrams.

Correct Answers:

Rationale :

0.5 g = 500 mg → 475 mg ÷ 500 mg/10 mL = 9.5 mL.

Distractor Analysis :

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7 : A nurse is preparing to administer nafcillin 2 g IV bolus. The nurse reconstitutes a vial of nafcillin to yield a final concentration of 250 mg/ml. How many m should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Convert grams to milligrams.

Correct Answers:

Rationale :

2 g = 2000 mg → 2000 mg ÷ 250 mg/mL = 8 mL.

Distractor Analysis :

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8 : A nurse is preparing to administer furosemide 30 mg 1M. Available is furosemide injection 10mg/mI. How many ml should the nurse administer?

(Round the answer to the whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Hint : Divide dose by concentration.

Correct Answers:

Rationale :

30 mg ÷ 10 mg/mL = 3 mL.

Distractor Analysis :

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9 : A nurse is reviewing a client's prescriptions. The nurse should contact the provider to clarify which prescription.

Enoxaparin 30 mg subcutaneous every 12 hours

Hydrochlorothiazide 50 mg PO twice daily with meals

Lovastatin 20 mg PO once daily

Diltiazem 30mg PO hold for apical pulse rate less than 50/min

Hint : Clarify hold parameters.

Correct Answers:

Diltiazem 30mg PO hold for apical pulse rate less than 50/min

Rationale :

The prescription lacks a specific dose or frequency.

Distractor Analysis :

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10 : A nurse is reviewing new prescriptions for a client who was just admitted. For which of the following prescriptions should the nurse obtain further clarification from the provider?

Aspirin 81 mg PO daily

Acetaminophen 1000 mg PO every 6 hours prn for mild-moderate pain

Ibuprofen 400 mg PO every 4 hours prn for mild-moderate pain

Amoxicillin 250 mg tablet PO X7 days

Hint : Clarify administration frequency.

Correct Answers:

Amoxicillin 250 mg tablet PO X7 days

Rationale :

The prescription lacks a specific frequency.

Distractor Analysis :

Rationale for Incorrect Options to be Available Soon

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3 : A nurse is calculating the total fluid intake for a client on strict 180; during your shift the client had 12 oz of orange juice, 12 oz of ice chips, 6 oz of coffee with 4 oz of skim milk, 24 oz of water, and 1000 mL of IV fluid infusion. What was the client's total intake for your shift?

4 : A nurse is preparing to administer Rosuvastatin 4000 mcg PO ac. Available: Rosuvastatin 2 mg tablet. How many tabs will the nurse administer? Round to the whole number. Use a leading zero if it applies. Do not use a trailing zero.

8 : A nurse is preparing to administer furosemide 30 mg 1M. Available is furosemide injection 10mg/mI. How many ml should the nurse administer? (Round the answer to the whole number. Use a leading zero if it applies. Do not use a trailing zero.)

9 : A nurse is reviewing a client's prescriptions. The nurse should contact the provider to clarify which prescription.

10 : A nurse is reviewing new prescriptions for a client who was just admitted. For which of the following prescriptions should the nurse obtain further clarification from the provider?

8 : A nurse is preparing to administer furosemide 30 mg 1M. Available is furosemide injection 10mg/mI. How many ml should the nurse administer?

(Round the answer to the whole number. Use a leading zero if it applies. Do not use a trailing zero.)