What is 4.5 divided by 3?
- A. 0.75
- B. 1.5
- C. 5
- D. 0.66
Correct Answer: B
Rationale: In the divisor, move the decimal point all the way to the right and move the decimal point in the dividend the same number of places as moved in the divisor.
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When the patient complains about his IV lines and asks if he can have the medication by mouth what is the most appropriate response by the nurse?
- A. Pills are difficult for many patients to swallow.
- B. Medication by mouth is absorbed more slowly than by any other route.
- C. It takes more time for the nurse to prepare and administer oral medications.
- D. It leads to more errors to give pills because the pills all look alike.
Correct Answer: B
Rationale: Medications that enter the GI tract are absorbed more slowly than by any other route. It is not known whether or not this particular patient has difficulty swallowing. The decision to give IV medications does not depend on the time of administration. It is not true that all pills look alike.
A 150-lb man is to receive a medication based on milligrams/kilograms. He is to receive 1 mg/kg. What dosage should the nurse administer?
- A. 50 mg
- B. 68 mg
- C. 75 mg
- D. 80 mg
Correct Answer: B
Rationale: 2.2 lb equals 1 kg.
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.
When giving a tubal medication the nurse should flush the tubing with 30 to 50 __ of water.
Correct Answer: mL
Rationale: The water will enhance the absorption of the drug and also clear the tubing.
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.
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