Nokea
The average adult dose of Phenergan is 50 mg. Using the Young rule for a 10-year-old what is the correct dosage for the child?
- A. 23 mg
- B. 25 mg
- C. 30 mg
- D. 35 mg
Correct Answer: A
Rationale: [Age of the child over age of the child +12] ? the average adult dose = child's dose.
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The health care provider has ordered furosemide 20 mg stat. The ampule is labeled 40 mg/mL. What dose should the nurse administer?
- A. 0.8 mL
- B. 0.5 mL
- C. 2.0 mL
- D. 8.0 mL
Correct Answer: B
Rationale: Desired dosage over the available dosage times the unit. The unit is what the available dosage is contained in.
Tylenol gr V is ordered. The available tablet is 0.3 g. What dosage should the nurse administer?
- A. 1 tablet
- B. 1.5 tablets
- C. 0.5 tablet
- D. 2 tablets
Correct Answer: A
Rationale: Gram to grain, multiply by 15, (0.3 ? 15 = 4.5 grains).
Lanoxin 0.125 mg is to be given. The nurse converts the dose to how many grams?
- A. 1.250 g
- B. 1250 g
- C. 0.000125 g
- D. 0.00125 g
Correct Answer: C
Rationale: Small, arrow to big, move the decimal point three places in the direction the arrow points; move decimal three places to the left.
Atropine 0.4 mg is to be given. Ampule is labeled gr 1/150/mL. What dose should the nurse administer?
- A. 1.5 mL
- B. 0.25 mL
- C. 0.5 mL
- D. 1 mL
Correct Answer: D
Rationale: To convert mg to gr, divide by 60.
What is 2.34 + 0.77?
- A. 0.01
- B. 90.4
- C. 2.417
- D. 3.11
Correct Answer: D
Rationale: Align the decimal point of each decimal fraction in a column and add.