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A nurse is checking the label of a drug. Which of the following would the nurse identify as an important item needed to administer a drug? Select all that apply.
- A. Monitoring parameters
- B. Side effects
- C. Dosage form
- D. Drug name
- E. Dosage strength
Correct Answer: C,D,E
Rationale: Although drug labels contain a great amount of information about the drug being given, three specific items are needed to administer a drug: the drug name, dosage form, and dosage strength.
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A home health care nurse is reviewing a client's medication during a home visit. The client is prescribed atorvastatin 10 mg daily, a change from his previous order of 20 mg daily. The client shows the nurse the medication container from the pharmacy. The label reads atorvastatin 20 mg. The nurse determines that the client is taking the correct dosage when the client states he is taking which of the following
- A. 1/2 tablet every day
- B. 1 tablet every day
- C. 1/2 tablet every other day
- D. 1 tablet every other day
Correct Answer: A
Rationale: The on-hand dose of the drug is 20 mg, but the client is to take 10 mg daily. So the client is correct when he says that he takes 1/2 tablet daily. Any other dosage would be incorrect.
A client is prescribed 500 mg of ampicillin IM. The drug is supplied in a multidose vial that requires reconstitution with 2 mL sterile water for injection. The resulting concentration contains 250 mg/mL. How much of the drug would the nurse administer?
- A. 0.5 mL
- B. 1.0 mL
- C. 1.5 mL
- D. 2.0 mL
Correct Answer: D
Rationale: The drug is supplied as 250 mg/mL after reconstitution. To calculate the amount needed, set up the equation: 500 mg / 250 mg ? 1 mL = 2.0 mL.
The health care provider orders chlorpromazine 25 mg IM. The drug is supplied as chlorpromazine 50 mg/mL in a 1-mL ampule. How much would the nurse administer?
- A. 0.25 mL
- B. 0.5 mL
- C. 0.75 mL
- D. 1.0 mL
Correct Answer: B
Rationale: The drug is supplied as 50 mg in 1 mL. Calculating the dosage using the formula D / H ? Q, the equation would read: 25 mg / 50 mg ? 1 mL = 0.5 mL.
A group of nursing students are reviewing the various systems of measurement. The students demonstrate understanding of the information when they identify which of the following as a metric system unit? Select all that apply.
- A. Inch
- B. Milligram
- C. Centimeter
- D. Ounce
- E. Pound
Correct Answer: B,C
Rationale: The metric system uses the gram, liter, and meter. Milligram and centimeter are metric units.
A client weighs 200 lb. The client is to receive 5 mg/kg per dose of a drug. The client will receive ?. mg of the drug in each dose.
- A. 400.0 mg
- B. 454.5 mg
- C. 500.0 mg
- D. 550.0 mg
Correct Answer: B
Rationale: First, the patient's weight must be converted to kilograms: 200 lb ? 1 kg / 2.2 lb = 90.9 kg. Then the dosage is calculated: 90.9 kg ? 5 mg/kg = 454.5 mg.