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Free Practice Quiz Question List

4 Dose and Quantity Calculations Online Quiz Questions

Use this free practice quiz with 20 questions to review 4 Dose and Quantity Calculations, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

True or false: Milligrams measure the amount of a drug, while millilitres measure the volume of a liquid.

  1. A

    True

  2. B

    False

02
Choose one
1 point

A hypothetical order is 4 mg/kg/day4\,\text{mg/kg/day} divided into 33 equal doses. For a patient weighing 12 kg12\,\text{kg}, what is the amount per dose?

  1. A

    4 mg/dose4\,\text{mg/dose}

  2. B

    16 mg/dose16\,\text{mg/dose}

  3. C

    48 mg/dose48\,\text{mg/dose}

  4. D

    144 mg/dose144\,\text{mg/dose}

03
Fill in the blank
1 point

A hypothetical daily amount of 36 mg/day36\,\text{mg/day} is divided into 33 equal administrations. The amount in each administration is mg.

04
Written response
1 point

Convert a measured weight of 44.1 lb44.1\,\text{lb} to kilograms using kg=lb÷2.20462\text{kg} = \text{lb} \div 2.20462. Round to the nearest tenth.

05
Choose one
1 point

A hypothetical liquid contains 24 mg24\,\text{mg} in 4 mL4\,\text{mL}. What volume provides a prescribed dose of 72 mg72\,\text{mg}?

  1. A

    3 mL3\,\text{mL}

  2. B

    6 mL6\,\text{mL}

  3. C

    12 mL12\,\text{mL}

  4. D

    18 mL18\,\text{mL}

06
Choose all
1 point

Select all appropriate checks before accepting a weight-based dose calculation.

  1. A

    Confirm whether a weight-based order is per dose or per day.

  2. B

    Assume an unclear dose is per administration.

  3. C

    Check that the patient’s weight is current and expressed in the required unit.

  4. D

    Verify that the concentration matches the product being used.

  5. E

    Round an implausible result until it appears reasonable.

07
True or false
1 point

True or false: For variable or as-needed directions, a days’ supply calculation may require using the prescribed maximum daily use.

  1. A

    True

  2. B

    False

08
Fill in the blank
1 point

A hypothetical liquid prescription uses 2.5 mL2.5\,\text{mL} per dose, 44 times daily for 33 days. The calculated total volume for the course is mL.

09
Choose one
1 point

A fixed schedule uses 22 tablets per day, and the total quantity dispensed is 4242 tablets. What is the basic days’ supply?

  1. A

    14 days14\,\text{days}

  2. B

    21 days21\,\text{days}

  3. C

    42 days42\,\text{days}

  4. D

    84 days84\,\text{days}

10
Written response
1 point

For a hypothetical prescription of 0.25 mg/kg/dose0.25\,\text{mg/kg/dose} every 88 hours for 44 days, a patient weighs 16 kg16\,\text{kg}, and the liquid contains 20 mg/5 mL20\,\text{mg}/5\,\text{mL}. What total liquid volume does the arithmetic give for the full course?

11
True or false
1 point

True or false: If a calculated course quantity does not match a package size, any package-size adjustment should be verified rather than silently changing the calculated dose or directions.

  1. A

    True

  2. B

    False

12
Choose all
1 point

Select all appropriate practices for measuring an oral liquid according to its directions.

  1. A

    Use metric volume instructions.

  2. B

    Use a household spoon as the measuring device.

  3. C

    Choose a dosing device with graduations that match the instructions.

  4. D

    Use a suitable calibrated dosing device for the liquid.

13
Open ended
1 point

Why should you avoid rounding early in a multistep dose calculation? Explain how rounding and measurement precision should be handled, and what to do if the order or calculated result is unclear, inconsistent, or implausible.

14
Choose one
1 point

An order states a weight-based amount but does not clarify whether it is per dose or per day. What is the appropriate next step before calculating the amount to administer?

  1. A

    Treat the stated amount as the dose for each administration.

  2. B

    Divide the stated amount by the number of days in the course.

  3. C

    Stop and verify whether the order means an amount per dose or a total daily amount.

  4. D

    Convert the amount to millilitres without checking the concentration.

15
Written response
1 point

A liquid contains 24 mg24\ \text{mg} of drug in 4 mL4\ \text{mL}. What is its concentration in mg/mL?

16
Written response
1 point

Convert a measured weight of 55.1 lb55.1\ \text{lb} to kilograms using kg=lb÷2.20462\text{kg} = \text{lb} \div 2.20462. Round your answer to the nearest tenth of a kilogram.

17
Choose one
1 point

A prescription is for 0.8 mg/kg/dose0.8\ \text{mg/kg/dose}. What amount is given per dose to a patient weighing 15 kg15\ \text{kg}?

  1. A

    0.8 mg/dose0.8\ \text{mg/dose}

  2. B

    12 mg/dose12\ \text{mg/dose}

  3. C

    12 mg/day12\ \text{mg/day}

  4. D

    18.75 mg/dose18.75\ \text{mg/dose}

18
Choose one
1 point

How many millilitres provide a 75 mg75\ \text{mg} dose from a liquid labeled 25 mg/5 mL25\ \text{mg}/5\ \text{mL}?

  1. A

    3 mL3\ \text{mL}

  2. B

    5 mL5\ \text{mL}

  3. C

    15 mL15\ \text{mL}

  4. D

    25 mL25\ \text{mL}

19
Choose one
1 point

An order is for 6 mg/kg/day6\ \text{mg/kg/day} in 33 equal doses. What is the amount per dose for a patient weighing 24 kg24\ \text{kg}?

  1. A

    48 mg/dose48\ \text{mg/dose}

  2. B

    144 mg/dose144\ \text{mg/dose}

  3. C

    48 mg/day48\ \text{mg/day}

  4. D

    18 mg/dose18\ \text{mg/dose}

20
Choose one
1 point

A patient is dispensed 3636 tablets and takes 11 tablet three times daily. What is the basic days' supply?

  1. A

    99 days

  2. B

    1010 days

  3. C

    1818 days

  4. D

    1212 days