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.
You may also like to solve these questions
Which is the same ratio as 2:100?
- A. 1:50
- B. 10:00
- C. 1:20
- D. 4:25
Correct Answer: A
Rationale: The value of a ratio is not changed if both sides are multiplied or divided by the same number.
What should the nurse do with an injection of 2 mL of Demerol that the patient has refused?
- A. Independently waste the drug in a secure place.
- B. Record in the narcotic log that the drug was wasted.
- C. Chart in the patient's record the reason the medication was refused.
- D. Get any staff member to sign the narcotic log as witness to the drug being wasted.
- E. Confirm the count is correct on the narcotic log.
Correct Answer: B,C,E
Rationale: When a controlled substance is wasted, the actual wasting must be witnessed by a licensed person, the narcotic log must be signed by both the nurse wasting the drug and the witness, and the narcotic count is confirmed by both people.
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.
The medication order reads "Ibuprofen 600 mg PO tid." The bottle is labeled "Ibuprofen 200 mg/tab." How many tablets should the nurse administer?
- A. 1
- B. 2
- C. 3
- D. 6
Correct Answer: C
Rationale: Desired dose over available dose times the unit. The unit is what the available dose is contained in.
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.
Nokea