HESI Dosage Calculations Questions And Answers
2024/2025 Update A+
The healthcare provider prescribes furosemide (Lasix) 25 mg IV. The drug is available in a
solution of 40 mg/4ml. How many ml should the practical nurse administer? (Enter
numeric value only. If rounding is required, round to the nearest tenth.) - ANS-2.5
A client with hypernatremia is to receive an IV infusion of 1000 ml 5% dextrose in water to
be infused over 6 hours. The practical nurse should program the infusion pump to deliver
how many ml/hour? (Enter numeric value only. If rounding is required, round to the
nearest whole number.) - ANS-167
A client admitted to the unit from the emergency room receives a prescription for an IV
infusion of 0.9% sodium chloride 1,000 ml at 750 ml/4 hours. The IV administration set
delivers 60 gtts/ml. The practical nurse should program the infusion pump to deliver how
many gtts/minute? (Enter numeric value only. If rounding is required, round to the nearest
whole number.) - ANS-188
Rationale
First convert hours to minutes: 4 hours x 60 = 240 minutes Using formula Volume/Time x
gtt factor:
750 ml/240 min = 3.125 x 60gtts = 187.5 (rounding to) 188 gtts/minute
A client who weighs 21.1 kg is receiving calcium chloride PO. The drug literature
recommends 20 mg/kg/dose. How many mg should the practical nurse (PN) determine is
the recommended dose for this client?(Enter numerical value only.) - ANS-422
A client receives a prescription for nafcillin 0.75 grams IV. The dispensed medication is
labeled in mg. How many mg should the practical nurse administer? (Enter numerical
value only.) - ANS-750
pg. 1
, The healthcare provider prescribes an IV infusion of 0.9% sodium chloride with 40 mEq
KCl/500 ml to infuse over 3 hours for a client with hypokalemia. The practical nurse
should program the infusion pump to deliver how many ml/hour? (Enter numeric value
only. If rounding is required, round to the nearest whole number.) - ANS-167
A client receives a prescription for digoxin 500 mcg PO. The dispensed medication is
labeled in mg. How many mg should the practical nurse administer? (Enter numerical
value only. If rounding is required round to the nearest tenth.) - ANS-0.5
A client with pericardial effusion has phrenic nerve compression resulting in recurrent
hiccups. The healthcare provider prescribes metoclopramide (Reglan) liquid 10 mg PO q6
hours. Reglan is available as 5 mg/5 ml. A measuring device marked in teaspoons is being
used. How many teaspoons should the practical nurse administer? - ANS-2
A client has a prescription for inamrinone (Inocor) 0.75 mg/kg IV bolus to be delivered
over 3 minutes. The client weighs 80 kg. Inamrinone is available for injection 100 mg/20 ml.
How many ml of inamrinone should the practical nurse administer? (Enter numeric value
only. If rounding is required, round to the nearest tenth.) - ANS-12
A client is receiving acetaminophen (Tylenol) 0.65 gram PO every 6 hours PRN for pain.
Acetaminophen is available in 325 mg tablets. How many milligrams should the practical
nurse administer? (Enter numeric value only.) - ANS-650
The healthcare provider prescribes acetaminophen elixir (Tylenol elixir) 600 mg PO q6
hours for an adult client experiencing pain associated with maxillofacial surgery. The bottle
is labeled 500 mg/15 ml. How many ml should the practical nurse administer? (Enter
numeric value only. If rounding is required, round to the nearest tenth.) - ANS-18
A client with type 2 diabetes is receiving metformin (Glucophage) 1 gram PO twice daily.
The medication is available in 500 mg tablets. How many tablets should the practical nurse
administer? (Enter numeric value only.) - ANS-2
A client who weighs 70 pounds receives a prescription for phenytoin (Dilantin) PO. The
practical nurse (PN) refers to the published drug literature which recommends the dose of
10 mg/kg/day. How many mg should the PN determine is the recommended dose for this
pg. 2
2024/2025 Update A+
The healthcare provider prescribes furosemide (Lasix) 25 mg IV. The drug is available in a
solution of 40 mg/4ml. How many ml should the practical nurse administer? (Enter
numeric value only. If rounding is required, round to the nearest tenth.) - ANS-2.5
A client with hypernatremia is to receive an IV infusion of 1000 ml 5% dextrose in water to
be infused over 6 hours. The practical nurse should program the infusion pump to deliver
how many ml/hour? (Enter numeric value only. If rounding is required, round to the
nearest whole number.) - ANS-167
A client admitted to the unit from the emergency room receives a prescription for an IV
infusion of 0.9% sodium chloride 1,000 ml at 750 ml/4 hours. The IV administration set
delivers 60 gtts/ml. The practical nurse should program the infusion pump to deliver how
many gtts/minute? (Enter numeric value only. If rounding is required, round to the nearest
whole number.) - ANS-188
Rationale
First convert hours to minutes: 4 hours x 60 = 240 minutes Using formula Volume/Time x
gtt factor:
750 ml/240 min = 3.125 x 60gtts = 187.5 (rounding to) 188 gtts/minute
A client who weighs 21.1 kg is receiving calcium chloride PO. The drug literature
recommends 20 mg/kg/dose. How many mg should the practical nurse (PN) determine is
the recommended dose for this client?(Enter numerical value only.) - ANS-422
A client receives a prescription for nafcillin 0.75 grams IV. The dispensed medication is
labeled in mg. How many mg should the practical nurse administer? (Enter numerical
value only.) - ANS-750
pg. 1
, The healthcare provider prescribes an IV infusion of 0.9% sodium chloride with 40 mEq
KCl/500 ml to infuse over 3 hours for a client with hypokalemia. The practical nurse
should program the infusion pump to deliver how many ml/hour? (Enter numeric value
only. If rounding is required, round to the nearest whole number.) - ANS-167
A client receives a prescription for digoxin 500 mcg PO. The dispensed medication is
labeled in mg. How many mg should the practical nurse administer? (Enter numerical
value only. If rounding is required round to the nearest tenth.) - ANS-0.5
A client with pericardial effusion has phrenic nerve compression resulting in recurrent
hiccups. The healthcare provider prescribes metoclopramide (Reglan) liquid 10 mg PO q6
hours. Reglan is available as 5 mg/5 ml. A measuring device marked in teaspoons is being
used. How many teaspoons should the practical nurse administer? - ANS-2
A client has a prescription for inamrinone (Inocor) 0.75 mg/kg IV bolus to be delivered
over 3 minutes. The client weighs 80 kg. Inamrinone is available for injection 100 mg/20 ml.
How many ml of inamrinone should the practical nurse administer? (Enter numeric value
only. If rounding is required, round to the nearest tenth.) - ANS-12
A client is receiving acetaminophen (Tylenol) 0.65 gram PO every 6 hours PRN for pain.
Acetaminophen is available in 325 mg tablets. How many milligrams should the practical
nurse administer? (Enter numeric value only.) - ANS-650
The healthcare provider prescribes acetaminophen elixir (Tylenol elixir) 600 mg PO q6
hours for an adult client experiencing pain associated with maxillofacial surgery. The bottle
is labeled 500 mg/15 ml. How many ml should the practical nurse administer? (Enter
numeric value only. If rounding is required, round to the nearest tenth.) - ANS-18
A client with type 2 diabetes is receiving metformin (Glucophage) 1 gram PO twice daily.
The medication is available in 500 mg tablets. How many tablets should the practical nurse
administer? (Enter numeric value only.) - ANS-2
A client who weighs 70 pounds receives a prescription for phenytoin (Dilantin) PO. The
practical nurse (PN) refers to the published drug literature which recommends the dose of
10 mg/kg/day. How many mg should the PN determine is the recommended dose for this
pg. 2
