True or false: Write a dose below one as 0.5 mg, not .5 mg, and write 5 mg, not 5.0 mg.
03 Medication Orders and Dose Calculations Online Quiz Questions
Use this free practice quiz with 20 questions to review 03 Medication Orders and Dose Calculations, test your knowledge, and prepare for your next test or exam.
What is the process of creating the best possible current medication list, comparing it with new orders, resolving unintended differences, and communicating the updated regimen called?
A medication order is written as PRN. Which additional information should the order include to guide safe use?
- A
Only the medication name and route
- B
The reason for use and any required interval or maximum dose
- C
The patient's preferred pharmacy and the medication's retail price
- D
A scheduled administration time, even when no schedule is intended
When collecting a medication history, which items should be included? Select all that apply.
- A
Prescription and nonprescription medicines
- B
Vitamins and supplements
- C
Only medicines the patient remembers taking every day
- D
Products such as eye drops, creams, and inhalers
True or false: During medication reconciliation, compare the verified medication list with the current orders and care plan.
- A
True
- B
False
An order is for 500 mg, and each tablet contains 250 mg. The number of tablets to give is .
An order is for 300 mg. The liquid contains 150 mg per 5 mL. What volume should be given?
- A
5 mL
- B
10 mL
- C
15 mL
- D
20 mL
A patient weighs 18 kg, and the order is 10 mg/kg. What is the calculated dose in mg?
In which situations should a medication order be stopped and verified before administration? Select all that apply.
- A
The route is missing or ambiguous
- B
The dose conflicts with the medication label or another active order
- C
The dose appears inconsistent with the patient's age, weight, condition, or established plan
- D
The order is clear and consistent with the label and the patient's plan
Document and communicate the reconciled medication list and any intentional changes at handoffs and .
A calculated amount seems unexpected just before administration. What is the safest next step?
- A
Give the medication if the calculated amount is close to the expected amount
- B
Change the order to match the product strength without contacting anyone
- C
Recalculate an unexpected result and confirm the product strength and units match
- D
Rely on a previous calculation instead of checking the current product
A newly admitted patient's medication list differs from the current orders. Describe the medication-reconciliation steps that should be taken to create and communicate an accurate list without assuming the differences are intentional.
Before administering a weight-based medication, which approach is appropriate?
- A
Use the patient's most recent remembered weight and give the calculated dose without checking limits
- B
Use a current, appropriate weight and verify any specified maximum dose and applicable limits
- C
Use the product concentration to decide whether the ordered dose is appropriate
- D
Round the calculated dose until it is below a possible maximum
Which unit is recommended as the standard unit on oral-liquid prescription labels?
- A
mL
- B
mg
- C
Tablets
- D
Drops
True or false: Independent double-checks and other safeguards for high-alert medications should follow facility policy.
- A
True
- B
False
When collecting a medication history for reconciliation, which approach is most complete?
- A
Collect only prescription medicines and exclude nonprescription products.
- B
Collect prescription and nonprescription medicines, vitamins, supplements, and products such as eye drops, creams, and inhalers.
- C
Collect only the medicines listed in the current orders.
- D
Ask only about medicines the patient takes by mouth.
During medication reconciliation, the verified list contains a medication that is absent from the current orders, and there is no clear plan explaining the difference. What should be done?
- A
Assume the difference is intentional if the patient reports taking the medication.
- B
Update the list based on memory alone and revisit it at discharge.
- C
Resolve the unexplained difference with the appropriate clinician or prescriber.
- D
Choose whichever dose appears more consistent with the medication label.
A patient is ordered 500 mg of a medication. Each tablet contains 250 mg. How many tablets provide the ordered dose?
- A
1 tablet
- B
2 tablets
- C
3 tablets
- D
4 tablets
A liquid medication contains 150 mg per 5 mL. For an order of 300 mg, what volume should be administered? Enter the numeric value in mL.
An order says, “Take one capsule by mouth every 8 hours for 5 days.” What order element is specified by “for 5 days”?