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When assessing a client's temperature, the nurse finds it to be 99°C. The client's temperature is degrees Celsius.
- A. 36.0°C
- B. 37.2°C
- C. 38.4°C
- D. 39.6°C
Correct Answer: B
Rationale: To convert Fahrenheit to Celsius, the formula C = 5/9 ? (F - 32) is used. Therefore, 99 - 32 = 67, and 67 ? 5/9 = 37.2.
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A medication is ordered for a client. The dosage he is to receive is 100,000 units. The drug label reads 400,000 units/mL. When setting up the dosage calculation using dimensional analysis, the nurse identifies the unit of measure to be calculated as which of the following?
- A. Milliliters
- B. Units
- C. Milligrams
- D. Tablets
Correct Answer: A
Rationale: The order specifies the client is to receive 100,000 units, and the drug is supplied as 400,000 units/mL. Using dimensional analysis, the goal is to calculate the volume (mL) to administer, so the unit of measure to be calculated is milliliters.
A client has a temperature of 39°C. The client's temperature is degrees Fahrenheit.
- A. 98.6°F
- B. 100.4°F
- C. 102.2°F
- D. 104.0°F
Correct Answer: C
Rationale: To convert from Celsius to Fahrenheit, the formula F = 9/5 ? C + 32 is used. Therefore, 9/5 ? 39 = 70.2, and 70.2 + 32 = 102.2.
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 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.
The physician writes an order for a client to receive 1 mg of vitamin B12 once every month. Vitamin B12 comes in a 1000 mcg/mL vial. The nurse would administer ?... to the client each month.
- A. 0.5 mL
- B. 1.0 mL
- C. 1.5 mL
- D. 2.0 mL
Correct Answer: B
Rationale: First, the nurse needs to convert the milligrams to micrograms. Therefore, 1 mg = 1000 mcg. Since there is 1000 mcg/mL, the nurse would give 1 mL.