Free Practice Quiz Question List

2 Medication Dosage Calculations Online Quiz Questions

Use this free practice quiz with 20 questions to review 2 Medication Dosage Calculations, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

An order is for 750 mg750\,\mathrm{mg}. The product label states 250 mg250\,\mathrm{mg} per tablet. How many tablets are needed for one dose?

  1. A

    2 tablets

  2. B

    3 tablets

  3. C

    4 tablets

  4. D

    5 tablets

02
Fill in the blank
1 point

In dimensional analysis, arrange the conversion factors so unwanted units and only the requested administration unit remains.

03
True or false
1 point

True or false: A correct medication-dose calculation by itself establishes that the order is clinically appropriate.

  1. A

    True

  2. B

    False

04
True or false
1 point

True or false: A calculated dose that is not a whole number of tablets means the tablet may be split, regardless of the product.

  1. A

    True

  2. B

    False

05
Choose one
1 point

A caregiver needs to measure an oral liquid medication. Which option is recommended to reduce measurement errors?

  1. A

    A household teaspoon

  2. B

    A metric oral dosing syringe or other metric dosing device

  3. C

    A serving spoon

  4. D

    Any spoon that appears to hold the right amount

06
Fill in the blank
1 point

For safer documentation, use a for an amount below one, and avoid a after a decimal point.

07
Written response
1 point

An oral-liquid order is for 180 mg180\,\mathrm{mg}. The label gives a concentration of 90 mg90\,\mathrm{mg} in 5 mL5\,\mathrm{mL}. What volume should be measured? Enter the numerical value in mL.

08
Choose all
1 point

Before calculating an injectable dose, select all the details that should be checked against the order and product information.

  1. A

    The medication and prescribed dose

  2. B

    The route

  3. C

    The vial strength or concentration

  4. D

    The diluent and reconstitution directions

  5. E

    The final concentration stated for the prepared product

  6. F

    Relevant storage instructions

  7. G

    Whether the dose and label use matching units

  8. H

    Assume the added diluent volume is the final solution volume

09
Written response
1 point

A ready-to-use injection is labeled 80 mg/mL80\,\mathrm{mg/mL}, and the order is for 120 mg120\,\mathrm{mg}. What volume is needed? Enter the numerical value in mL.

10
True or false
1 point

True or false: When calculating a dose from a reconstituted medication, use the prepared product’s stated final concentration rather than treating the added diluent volume as the final volume.

  1. A

    True

  2. B

    False

11
Choose one
1 point

A hypothetical reconstituted product is labeled with a resulting concentration of 300 mg/mL300\,\mathrm{mg/mL}. The order is for 450 mg450\,\mathrm{mg}. What volume is calculated?

  1. A

    0.67 mL

  2. B

    1 mL

  3. C

    1.5 mL

  4. D

    2 mL

12
Choose all
1 point

A dose calculation seems unusual, and one detail in the order is unclear. Select all appropriate actions.

  1. A

    Verify the order, patient, route, product, concentration, and calculated amount against the label and applicable reference or protocol

  2. B

    Stop and clarify the concern with the appropriate clinician or pharmacist

  3. C

    Proceed only after unclear information has been clarified

  4. D

    Change the prescribed dose to a more familiar amount without consultation

13
Choose one
1 point

A calculation gives 1.37 mL1.37\,\mathrm{mL}, but no rounding direction is stated in the order. What is the best next step before documenting or measuring a rounded amount?

  1. A

    Round to the nearest whole milliliter

  2. B

    Always round to the nearest tenth of a milliliter

  3. C

    Choose whichever rounding method makes the volume easiest to measure

  4. D

    Check the applicable policy or medication instructions before rounding

14
Open ended
1 point

An order is for 0.6 g0.6\,\mathrm{g}, and the product label states 200 mg200\,\mathrm{mg} per tablet. Show how you would convert the dose and calculate the number of tablets. Include one safety verification you would complete before administration.

15
Choose one
1 point

Which tool should you use to measure a prescribed dose of oral liquid medication?

  1. A

    A household teaspoon

  2. B

    A metric oral dosing syringe or other metric dosing device

  3. C

    A kitchen tablespoon

  4. D

    An unmarked spoon of approximately the right size

16
Choose one
1 point

Before calculating an administration amount, which information should you identify from the order and product label?

  1. A

    Calculate the amount using the first strength number you notice on the package.

  2. B

    Begin the calculation before checking the medication's route.

  3. C

    Identify the medication, prescribed dose, route, and available strength or concentration.

  4. D

    Use the dose from a previous order if the current label is difficult to interpret.

17
Choose one
1 point

A powder medication is reconstituted according to its product instructions. Which concentration should you use to calculate the volume to administer?

  1. A

    Use the resulting concentration stated for the prepared solution.

  2. B

    Assume the added diluent volume is the final solution volume.

  3. C

    Calculate from the powder amount without checking the product's reconstitution directions.

  4. D

    Use a concentration from a different product with a similar name.

18
Choose one
1 point

You calculate an administration amount, but the result seems unusual for the order. What should you do next?

  1. A

    Round the result until it looks more typical.

  2. B

    Administer the calculated amount because the arithmetic is complete.

  3. C

    Change the route to match the available product.

  4. D

    Stop and clarify the order or calculation with the appropriate clinician or pharmacist.

19
Written response
1 point

An order is for 0.75 g0.75\ \mathrm{g} of a medication. The product is labeled 250 mg250\ \mathrm{mg} per tablet. How many tablets are needed for one dose?

20
Written response
1 point

An injection is ordered at 96 mg96\ \mathrm{mg}. The ready-to-use product is labeled 64 mg/mL64\ \mathrm{mg/mL}. How many milliliters should be administered?