Nokea
A nursing instructor is describing the various work factors that can lead to errors in dosage calculations to a group of nursing students. The instructor determines that the teaching was successful when the students identify which of the following as a factor? Select all that apply.
- A. Poor lighting
- B. Heavy workload
- C. Noise
- D. Temperature
- E. Interruptions
Correct Answer: A,B,C,E
Rationale: Factors in the work environment that often contribute to errors made by people include poor lighting, noise, interruptions, and a taxing workload.
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After teaching a group of nursing students about measurement systems, the instructor determines that the teaching was successful when the students identify which of the following as units of the metric system?
- A. Minims
- B. Grains
- C. Drams
- D. Grams
Correct Answer: D
Rationale: Grams are units of weight in the metric system. Minims are units of volume in the apothecary system. Grains and drams are units of weight in the apothecary system.
Which of the following drug doses is written correctly? Select all that apply.
- A. Synthroid 0.175 \mathrm{mg}
- B. Synthroid 175 \mathrm{mg}
- C. Synthroid 175 \mathrm{mcg}
- D. Synthroid 175.0 \mathrm{mcg}
- E. Synthroid 1750 \mathrm{mg}
Correct Answer: A,C
Rationale: When there is no number to the left of the decimal, a zero is written; therefore, Synthroid 0.175 mg and 175 mcg are correct.
Amoxicillin 250 mg is ordered for a child. The pharmacy supplies the drug in a suspension form. The label reads 500 mg/5 mL. The nurse would administer
- A. 1.0 mL
- B. 2.5 mL
- C. 5.0 mL
- D. 7.5 mL
Correct Answer: B
Rationale: 500 mg / 5 mL = 250 mg / X mL
500 ? X = 1250
X = 2.5
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 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.