DRUG DOSAGE CALCULATION QUESTION SET
WITH RATIONALES AND NURSING MATH
APPLICATION AND PATIENT SAFETY REVIEW
2026
◉ What are the rounding rules for dosage calculations?
Answer: Round at the end to the specified place; <5 stays the same,
>5 goes up.
◉ What is the basic unit of weight in the metric system?
Answer: Gram.
◉ What is the basic unit of volume in the metric system?
Answer: Liter.
◉ How do you convert from a smaller metric unit to a larger one?
Answer: Move the decimal point 3 places to the LEFT.
◉ How do you convert from a larger metric unit to a smaller one?
Answer: Move the decimal point 3 places to the RIGHT.
,◉ What is the relationship between cc and mL?
Answer: 1 cc = 1 mL; they are interchangeable.
◉ How many mL are in 1 teaspoon?
Answer: 5 mL.
◉ What does Intake and Output (I&O) measure?
Answer: The fluid that goes INTO and comes OUT of a patient.
◉ What is the formula for calculating dosage?
Answer: Desired Dose (D) x Volume (V) = what I give; Supply on
Hand (H).
◉ What is the purpose of dosage calculation?
Answer: To determine the amount of medication to administer
based on a physician's order.
◉ What is the first step in dosage calculation?
Answer: Identify what is being asked and what the
***********************.
◉ What is the significance of weight conversions in dosage
calculations?
, Answer: To ensure accurate dosing based on a patient's weight,
typically expressed in kg.
◉ What is the conversion for 2 oz to pounds?
Answer: 2 oz = 0.125 lb.
◉ What is the process for calculating how much of a liquid to
consume based on caloric content?
Answer: Set up a ratio based on desired calories and the
concentration of the liquid.
◉ What does the term 'Safe Dose Ranges' refer to?
Answer: The acceptable range of dosages for a medication to avoid
toxicity.
◉ What is the significance of knowing the neighbors in metric
conversions?
Answer: To understand the size differences between grams,
milligrams, and micrograms.
◉ How do you handle rounding for dosage calculations?
Answer: Always round at the end based on the specified place or
type of drug.
WITH RATIONALES AND NURSING MATH
APPLICATION AND PATIENT SAFETY REVIEW
2026
◉ What are the rounding rules for dosage calculations?
Answer: Round at the end to the specified place; <5 stays the same,
>5 goes up.
◉ What is the basic unit of weight in the metric system?
Answer: Gram.
◉ What is the basic unit of volume in the metric system?
Answer: Liter.
◉ How do you convert from a smaller metric unit to a larger one?
Answer: Move the decimal point 3 places to the LEFT.
◉ How do you convert from a larger metric unit to a smaller one?
Answer: Move the decimal point 3 places to the RIGHT.
,◉ What is the relationship between cc and mL?
Answer: 1 cc = 1 mL; they are interchangeable.
◉ How many mL are in 1 teaspoon?
Answer: 5 mL.
◉ What does Intake and Output (I&O) measure?
Answer: The fluid that goes INTO and comes OUT of a patient.
◉ What is the formula for calculating dosage?
Answer: Desired Dose (D) x Volume (V) = what I give; Supply on
Hand (H).
◉ What is the purpose of dosage calculation?
Answer: To determine the amount of medication to administer
based on a physician's order.
◉ What is the first step in dosage calculation?
Answer: Identify what is being asked and what the
***********************.
◉ What is the significance of weight conversions in dosage
calculations?
, Answer: To ensure accurate dosing based on a patient's weight,
typically expressed in kg.
◉ What is the conversion for 2 oz to pounds?
Answer: 2 oz = 0.125 lb.
◉ What is the process for calculating how much of a liquid to
consume based on caloric content?
Answer: Set up a ratio based on desired calories and the
concentration of the liquid.
◉ What does the term 'Safe Dose Ranges' refer to?
Answer: The acceptable range of dosages for a medication to avoid
toxicity.
◉ What is the significance of knowing the neighbors in metric
conversions?
Answer: To understand the size differences between grams,
milligrams, and micrograms.
◉ How do you handle rounding for dosage calculations?
Answer: Always round at the end based on the specified place or
type of drug.