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Free Practice Quiz Question List

3 Injectable Medication Dosage Calculations Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Injectable Medication Dosage Calculations, test your knowledge, and prepare for your next test or exam.

20 questions
01
Choose one
1 point

After calculating and withdrawing a dose from a single-use ampule, what should be done with any leftover contents?

  1. A

    Save the leftover contents for the same patient’s next dose.

  2. B

    Do not save the leftover contents for later use or another patient.

  3. C

    Save the leftover contents if the ampule is kept sterile.

  4. D

    Reuse the syringe to withdraw the remaining contents later.

02
True or false
1 point

When calculating an injectable volume, should you round the result according to a general preference even when applicable instructions or the measuring device specify otherwise?

  1. A

    True

  2. B

    False

03
Fill in the blank
1 point

Complete the calculation rule: volume to administer = ÷ concentration per mL.

04
Choose one
1 point

An order is for 60 mg. The vial label states 150 mg in 5 mL. What volume should be calculated for the dose?

  1. A

    0.4 mL

  2. B

    1 mL

  3. C

    2 mL

  4. D

    5 mL

05
Choose all
1 point

Select all practices that follow the stated safe-injection guidance.

  1. A

    Prepare injections using sterile equipment.

  2. B

    Reuse a syringe if it is used for the same patient.

  3. C

    Use a single-dose vial or ampule for one patient only.

  4. D

    Save unused contents from a single-dose container for another patient.

06
Written response
1 point

For this hypothetical arithmetic exercise, an order is for 48 mg and the vial concentration is 80 mg/mL. Calculate the volume to administer. Enter your answer in mL.

07
True or false
1 point

If an order and the concentration use different units, convert the ordered dose to match the concentration's units before calculating the volume.

  1. A

    True

  2. B

    False

08
Fill in the blank
1 point

For a volume below 1 mL, use a (for example, write 0.5 mL).

09
Choose one
1 point

For this hypothetical arithmetic exercise, the order is 0.09 g and the vial concentration is 30 mg/mL. What volume should be calculated?

  1. A

    0.03 mL

  2. B

    0.3 mL

  3. C

    2.7 mL

  4. D

    3 mL

10
Choose all
1 point

Select all statements that correctly describe handling a medication powder that must be reconstituted before a dose calculation.

  1. A

    Use the stated final concentration after preparation.

  2. B

    Assume the added diluent volume is always the final solution volume.

  3. C

    Follow the product label and applicable preparation instructions.

  4. D

    Convert the ordered dose if needed so its units match the concentration.

11
Written response
1 point

For this hypothetical arithmetic exercise, an order is for 0.12 g and the vial concentration is 80 mg/mL. Calculate the volume to administer. Enter your answer in mL.

12
Choose one
1 point

For this hypothetical arithmetic exercise, the order is 0.9 mg and the ampule label states 1.5 mg in 3 mL. What volume should be calculated?

  1. A

    0.6 mL

  2. B

    1.8 mL

  3. C

    2.7 mL

  4. D

    4.5 mL

13
Open ended
1 point

A medication powder must be reconstituted before its dose volume is calculated. Explain what concentration should be used and why the added diluent volume alone is not enough to determine it. Then describe how to prepare the dose-volume calculation.

14
True or false
1 point

A calculated volume is mathematically correct. Does that calculation alone establish that the dose, route, and volume are clinically appropriate?

  1. A

    True

  2. B

    False

15
Choose one
1 point

Which calculation gives the volume to administer when the ordered dose and concentration use matching units?

  1. A

    Concentration per mL divided by the ordered dose

  2. B

    Ordered dose divided by concentration per mL

  3. C

    Ordered dose multiplied by concentration per mL

  4. D

    Total container volume divided by the ordered dose

16
Choose one
1 point

A vial contains 150 mg150\text{ mg} in 3 mL3\text{ mL}. What is its concentration per milliliter?

  1. A

    3 mg/mL3\text{ mg/mL}

  2. B

    50 mg/mL50\text{ mg/mL}

  3. C

    150 mg/mL150\text{ mg/mL}

  4. D

    450 mg/mL450\text{ mg/mL}

17
Choose one
1 point

In a hypothetical arithmetic exercise, the order is 54 mg54\text{ mg} and the vial concentration is 36 mg/mL36\text{ mg/mL}. What volume does the calculation give?

  1. A

    0.67 mL

  2. B

    1.5 mL

  3. C

    18 mL

  4. D

    1,944 mL

18
Written response
1 point

In a hypothetical arithmetic exercise, the order is 35 mg35\text{ mg} and the vial concentration is 20 mg/mL20\text{ mg/mL}. Calculate the volume to administer. Enter the numeric value in mL.

19
Choose one
1 point

In a hypothetical arithmetic exercise, the order is 0.12 g0.12\text{ g} and the vial concentration is 60 mg/mL60\text{ mg/mL}. What volume does the calculation give?

  1. A

    2 mL

  2. B

    0.002 mL

  3. C

    0.5 mL

  4. D

    7.2 mL

20
Written response
1 point

In a hypothetical arithmetic exercise, a container holds 80 mg80\text{ mg} in 4 mL4\text{ mL}, and the order is 30 mg30\text{ mg}. Calculate the volume to administer. Enter the numeric value in mL.