Practice Exercise 2

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Total Questions : 7

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Question 1:

A nurse is caring for a client who is diagnosed with salicylism. Which of the following findings should the nurse expect to assess in this client? Select all that apply

Answer and Explanation

A
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Question 2:

A nurse in an emergency department is performing an admission assessment for a client who has severe aspirin toxicity. Which of the following findings should the nurse expect to find?

Answer and Explanation

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Question 3:

A nurse is taking a history for a client who reports that he is taking aspirin about four times daily for a sprained wrist. Which of the prescribed medications taken by the client is contraindicated with aspirin?

Answer and Explanation

A
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Question 4:

A patient is taking ibuprofen. The nurse understands that COX-1 and COX-2 inhibitors are different in that ibuprofen is more likely than celecoxib to cause which adverse effect?

Answer and Explanation

A
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Question 5:

A nurse is admitting a toddler to the hospital after an acetaminophen overdose. Which of the following medications should the nurse anticipate administering to this client?

Answer and Explanation

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Question 6:

A nurse is preparing to administer 10 mg/kg acetaminophen (Tylenol) PO to a toddler who weighs 9 kg (19.8 lb). Available is acetaminophen liquid 160 mg/5 mL. How many mL should the nurse plan to administer? (Round the answer to the nearest tenth.)

Answer and Explanation
Correct Answer: "2.8" mL

Explanation

Pediatric medication administration requires careful weight-based calculations to ensure both safety and effectiveness. For drugs like acetaminophen, accurate conversion from milligrams to milliliters is crucial to avoid underdosing or overdosing in children.

Rationale for correct answer:

Step 1: Calculate the Total Dose

First, determine the total dose of acetaminophen the toddler should receive based on their weight.

  • Formula: Total Dose = Weight (kg) × Dose per kg
  • Calculation: 9kg×10mg/kg=90mg

Step 2: Calculate the Volume to Administer

Next, use the total dose and the concentration of the available medication to find the volume to be administered. The concentration is 160 mg in 5 mL.

  • Formula: Volume = Total Dose ÷ Concentration
  • Calculation:
    • Find the concentration: 160mg÷5mL=32mg/mL
    • Find the volume: 90mg÷32mg/mL=2.8125mL

Step 3: Round to the Nearest Tenth

Round the final answer to the nearest tenth as requested.

  • Correct answer: 2.8125mL≈2.8mL

Take-home points:

  • Always calculate pediatric doses using the child’s weight in kilograms and the prescribed mg/kg dosage.
  • Convert the supplied concentration into mg/mL before calculating the required volume.
  • For a 9 kg toddler receiving 10 mg/kg acetaminophen, the correct dose is 2.8 mL of a 160 mg/5 mL solution.

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Question 7:

A client admitted with hepatitis B is prescribed hydrocodone with acetaminophen (Vicodin) 2 tablets for pain. What is the most appropriate action for the nurse to take?

Answer and Explanation

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