NUR 1055 INTRO TO NURSING MODULE 9
MEDICATION CALCULATIONS REVISION
HANDBOOK 2026 SAFE MEDICATION
ADMINISTRATION AND ERROR PREVENTION
◉ A client with sickle cell anemia is being treated for sickle cell
crisis. The health care provider prescribes morphine sulfate 2 mg.
The concentration of the vial is 10 mg/mL of solution. How many
milliliters of solution should the nurse administer? Fill in the blank.
Answer: 0.2
◉ Penicillin V 250 mg orally every 8 hours, is prescribed for a child
with a respiratory infection. The child's weight is 45 pounds. The
safe pediatric dosage is 25 to 50 mg/kg/day. Which statement
accurately describes the prescribed dosage for this child?
Answer: The dosage is within the safe dosage range.
◉ The nurse hangs a 1000-mL intravenous (IV) bag of 5% dextrose
in water (D5W) at 0700. The IV is to infuse at 100 mL/hr, and the
nurse places a time tape on the IV bag. At noon the nurse should
expect that the infusion line on the IV bag would be at which point?
Refer to figure.
Answer: 2
,◉ A health care provider prescribes potassium chloride (KCl) elixir,
20 mEq orally daily. The medication label states potassium chloride
(KCl), 30 mEq/15 mL. How many milliliters should the nurse
prepare to administer the dose? Fill in the blank.
Answer: 10
◉ The medication prescribed is atropine sulfate, 0.4 mg. The
medication label states atropine sulfate, 0.5 mg/0.5 mL. How many
milliliters will the nurse prepare to administer to the client? Fill in
the blank.
Answer: 0.4
◉ The medication prescription states to administer acetaminophen
(Tylenol), 650 mg orally for a temperature of more than 38° C. The
medication bottle states Tylenol (acetaminophen), 325 mg tablets.
The nurse takes the client's temperature and notes that it is 101° F.
The nurse plans to take which action?
Answer: Administer two Tylenol tablets.
◉ A health care provider prescribes an intramuscular (IM) dose of
250,000 units of penicillin G benzathine (Bicillin). The label on the
10-mL ampule sent from the pharmacy reads penicillin G benzathine
300,000 units/mL. How much medication will the nurse prepare to
administer the correct dose? Fill in the blank. Record your answer to
one decimal place.
Answer: 0.8
, ◉ Diphenhydramine hydrochloride (Benadryl) 25 mg orally every 6
hours is prescribed for a child with an allergic reaction. The child
weighs 25 kg. The safe pediatric dosage is 5 mg/kg/day. What
should the nurse determine about the medication dosage?
Answer: The dosage is within the safe range.
◉ The prescription reads to give ondansetron hydrochloride 0.15
mg/kg of body weight 30 minutes before receiving chemotherapy.
The client weighs 132 pounds. How many milligrams (mg) of
ondansetron hydrochloride will the nurse administer? Fill in the
blank.
Answer: 9
◉ A licensed practical nurse (LPN) is asked to prepare an
intravenous (IV) infusion of 1000 mL 5% dextrose in lactated
Ringer's at 80 mL/hr to be administered to an assigned client. The
LPN time-tapes the bag with a start time of 09:00. After making
hourly marks on the time-tape, the LPN notes that which time would
mark the completion time for the bag?
Answer: 21:30
◉ The intravenous prescription is 1000 mL of 0.9% NaCl (normal
saline) to run over 12 hours. The drop factor is 15 gtts/1 mL. The
nurse plans to adjust the flow rate to how many gtts/minute? Fill in
the blank and record the answer to the nearest whole number.
MEDICATION CALCULATIONS REVISION
HANDBOOK 2026 SAFE MEDICATION
ADMINISTRATION AND ERROR PREVENTION
◉ A client with sickle cell anemia is being treated for sickle cell
crisis. The health care provider prescribes morphine sulfate 2 mg.
The concentration of the vial is 10 mg/mL of solution. How many
milliliters of solution should the nurse administer? Fill in the blank.
Answer: 0.2
◉ Penicillin V 250 mg orally every 8 hours, is prescribed for a child
with a respiratory infection. The child's weight is 45 pounds. The
safe pediatric dosage is 25 to 50 mg/kg/day. Which statement
accurately describes the prescribed dosage for this child?
Answer: The dosage is within the safe dosage range.
◉ The nurse hangs a 1000-mL intravenous (IV) bag of 5% dextrose
in water (D5W) at 0700. The IV is to infuse at 100 mL/hr, and the
nurse places a time tape on the IV bag. At noon the nurse should
expect that the infusion line on the IV bag would be at which point?
Refer to figure.
Answer: 2
,◉ A health care provider prescribes potassium chloride (KCl) elixir,
20 mEq orally daily. The medication label states potassium chloride
(KCl), 30 mEq/15 mL. How many milliliters should the nurse
prepare to administer the dose? Fill in the blank.
Answer: 10
◉ The medication prescribed is atropine sulfate, 0.4 mg. The
medication label states atropine sulfate, 0.5 mg/0.5 mL. How many
milliliters will the nurse prepare to administer to the client? Fill in
the blank.
Answer: 0.4
◉ The medication prescription states to administer acetaminophen
(Tylenol), 650 mg orally for a temperature of more than 38° C. The
medication bottle states Tylenol (acetaminophen), 325 mg tablets.
The nurse takes the client's temperature and notes that it is 101° F.
The nurse plans to take which action?
Answer: Administer two Tylenol tablets.
◉ A health care provider prescribes an intramuscular (IM) dose of
250,000 units of penicillin G benzathine (Bicillin). The label on the
10-mL ampule sent from the pharmacy reads penicillin G benzathine
300,000 units/mL. How much medication will the nurse prepare to
administer the correct dose? Fill in the blank. Record your answer to
one decimal place.
Answer: 0.8
, ◉ Diphenhydramine hydrochloride (Benadryl) 25 mg orally every 6
hours is prescribed for a child with an allergic reaction. The child
weighs 25 kg. The safe pediatric dosage is 5 mg/kg/day. What
should the nurse determine about the medication dosage?
Answer: The dosage is within the safe range.
◉ The prescription reads to give ondansetron hydrochloride 0.15
mg/kg of body weight 30 minutes before receiving chemotherapy.
The client weighs 132 pounds. How many milligrams (mg) of
ondansetron hydrochloride will the nurse administer? Fill in the
blank.
Answer: 9
◉ A licensed practical nurse (LPN) is asked to prepare an
intravenous (IV) infusion of 1000 mL 5% dextrose in lactated
Ringer's at 80 mL/hr to be administered to an assigned client. The
LPN time-tapes the bag with a start time of 09:00. After making
hourly marks on the time-tape, the LPN notes that which time would
mark the completion time for the bag?
Answer: 21:30
◉ The intravenous prescription is 1000 mL of 0.9% NaCl (normal
saline) to run over 12 hours. The drop factor is 15 gtts/1 mL. The
nurse plans to adjust the flow rate to how many gtts/minute? Fill in
the blank and record the answer to the nearest whole number.
