Nokea
0.5 L is equal to how many mL?
- A. 0.0005 mL
- B. 0.05 mL
- C. 50 mL
- D. 500 mL
Correct Answer: D
Rationale: Big to small, move decimal point three places to the right.
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0.5 g of medication is ordered. The label reads 125 mg/mL. What is the correct dose to be administered?
- A. 1 mL
- B. 2 mL
- C. 3 mL
- D. 4 mL
Correct Answer: D
Rationale: Desired dose over available dose ? the unit. Unit is what the available dose is contained in.
What important principle should be taken to prevent medication errors?
- A. Placing an unlabeled syringe on the medication cart
- B. Following the six rights of medication administration
- C. Leaving a medication with the patient only when family is there
- D. Always charting medications before the end of the shift
Correct Answer: B
Rationale: Following the six rights ensures excellent drug administration practice. Unlabeled syringes should never be left on a medication cart. Medications should never be left in a patient's room. Medications should be charted immediately after they are administered.
The order is for 100 mL to run over 8 hours as a "piggyback." The drop factor of the secondary unit is 15. The nurse should set the drop control to deliver __ gtts/min.
Correct Answer: 3
Rationale: 100 mL divided by 8 = 12.5 mL/h; (12.5 mL/h ? 15 gtts/mL) ÷ 60 min/h ? 3 gtts/min.
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 expressed as a percent?
- A. 50%
- B. 20%
- C. 10%
- D. 5%
Correct Answer: B
Rationale: Change a fraction to a percent by dividing the numerator by the denominator and multiplying by 100.