ATI DOSAGE CALCULATION PN ADULT
MEDICAL SURGICAL PROCTORED
ASSESSMENT 3.2 Questions and Answers
(100% Correct Answers) Already Graded
A+
SECTION 1: Oral Medications (Tablets, Capsules, Elixirs)
Q1. A nurse is preparing to administer levothyroxine 0.1 mg PO
daily. Available is levothyroxine 50 mcg tablets. How many tablets
should the nurse administer?
A) 1 tablet
B) 2 tablets
C) 0.5 tablet
D) 1.5 tablets
(,,,answer,,,: B) 2 tablets
Rationale: First convert 0.1 mg to mcg: 0.1 mg × 1000 = 100 mcg. Then
calculate tablets: 100 mcg ÷ 50 mcg/tablet = 2 tablets.
Q2. A nurse is preparing to administer digoxin 0.25 mg PO daily.
Available is digoxin elixir 0.05 mg/mL. How many mL should the
nurse administer per dose?
,A) 2 mL
B) 3 mL
C) 4 mL
D) 5 mL
(,,,answer,,,: D) 5 mL
Rationale: Calculate using ratio/proportion: 0.05 mg/1 mL = 0.25 mg/x
mL → 0.05x = 0.25 → x = 5 mL.
Q3. A nurse is preparing to administer amoxicillin 30 mg/kg/day PO
divided in equal doses every 12 hr to a client who weighs 55 lb.
Available is amoxicillin oral suspension 400 mg/5 mL. How many
mL should the nurse administer per dose? (Round to the nearest
whole number.)
A) 3 mL
B) 4 mL
C) 5 mL
D) 6 mL
(,,,answer,,,: C) 5 mL
Rationale: Convert weight to kg: 55 lb ÷ 2.2 = 25 kg. Calculate daily
dose: 30 mg/kg × 25 kg = 750 mg/day. Calculate per dose (every 12 hr =
2 doses): 750 mg ÷ 2 = 375 mg/dose. Calculate mL: 400 mg/5 mL = 375
mg/x mL → 400x = 1875 → x = 4.69 ≈ 5 mL.
Q4. A nurse is preparing to administer spironolactone 75 mg PO
daily. Available is spironolactone 25 mg tablets. How many tablets
should the nurse administer?
A) 1 tablet
B) 2 tablets
,C) 3 tablets
D) 4 tablets
(,,,answer,,,: C) 3 tablets
Rationale: 75 mg ÷ 25 mg/tablet = 3 tablets.
Q5. A nurse is preparing to administer ibuprofen 600 mg PO.
Available is ibuprofen 200 mg tablets. How many tablets should the
nurse administer?
A) 1 tablet
B) 2 tablets
C) 3 tablets
D) 4 tablets
(,,,answer,,,: C) 3 tablets
Rationale: 600 mg ÷ 200 mg/tablet = 3 tablets.
Q6. A nurse is preparing to administer metronidazole 500 mg IV.
Available is metronidazole 5 mg/mL. How many mL should the
nurse administer?
A) 50 mL
B) 75 mL
C) 100 mL
D) 125 mL
(,,,answer,,,: C) 100 mL
Rationale: 500 mg ÷ 5 mg/mL = 100 mL.
, Q7. A nurse is preparing to administer furosemide 60 mg IV push.
Available is furosemide 10 mg/mL. How many mL should the nurse
administer?
A) 4 mL
B) 5 mL
C) 6 mL
D) 7 mL
(,,,answer,,,: C) 6 mL
Rationale: 60 mg ÷ 10 mg/mL = 6 mL.
Q8. A nurse is preparing to administer phenytoin 200 mg PO.
Available is phenytoin oral suspension 125 mg/5 mL. How many mL
should the nurse administer?
A) 6 mL
B) 7 mL
C) 8 mL
D) 9 mL
(,,,answer,,,: C) 8 mL
Rationale: 125 mg/5 mL = 25 mg/mL. 200 mg ÷ 25 mg/mL = 8 mL.
Q9. A nurse is preparing to administer potassium chloride 20 mEq
PO daily. Available is potassium chloride liquid 40 mEq/15 mL.
How many mL should the nurse administer?
A) 5 mL
B) 7.5 mL
C) 10 mL
D) 12.5 mL
MEDICAL SURGICAL PROCTORED
ASSESSMENT 3.2 Questions and Answers
(100% Correct Answers) Already Graded
A+
SECTION 1: Oral Medications (Tablets, Capsules, Elixirs)
Q1. A nurse is preparing to administer levothyroxine 0.1 mg PO
daily. Available is levothyroxine 50 mcg tablets. How many tablets
should the nurse administer?
A) 1 tablet
B) 2 tablets
C) 0.5 tablet
D) 1.5 tablets
(,,,answer,,,: B) 2 tablets
Rationale: First convert 0.1 mg to mcg: 0.1 mg × 1000 = 100 mcg. Then
calculate tablets: 100 mcg ÷ 50 mcg/tablet = 2 tablets.
Q2. A nurse is preparing to administer digoxin 0.25 mg PO daily.
Available is digoxin elixir 0.05 mg/mL. How many mL should the
nurse administer per dose?
,A) 2 mL
B) 3 mL
C) 4 mL
D) 5 mL
(,,,answer,,,: D) 5 mL
Rationale: Calculate using ratio/proportion: 0.05 mg/1 mL = 0.25 mg/x
mL → 0.05x = 0.25 → x = 5 mL.
Q3. A nurse is preparing to administer amoxicillin 30 mg/kg/day PO
divided in equal doses every 12 hr to a client who weighs 55 lb.
Available is amoxicillin oral suspension 400 mg/5 mL. How many
mL should the nurse administer per dose? (Round to the nearest
whole number.)
A) 3 mL
B) 4 mL
C) 5 mL
D) 6 mL
(,,,answer,,,: C) 5 mL
Rationale: Convert weight to kg: 55 lb ÷ 2.2 = 25 kg. Calculate daily
dose: 30 mg/kg × 25 kg = 750 mg/day. Calculate per dose (every 12 hr =
2 doses): 750 mg ÷ 2 = 375 mg/dose. Calculate mL: 400 mg/5 mL = 375
mg/x mL → 400x = 1875 → x = 4.69 ≈ 5 mL.
Q4. A nurse is preparing to administer spironolactone 75 mg PO
daily. Available is spironolactone 25 mg tablets. How many tablets
should the nurse administer?
A) 1 tablet
B) 2 tablets
,C) 3 tablets
D) 4 tablets
(,,,answer,,,: C) 3 tablets
Rationale: 75 mg ÷ 25 mg/tablet = 3 tablets.
Q5. A nurse is preparing to administer ibuprofen 600 mg PO.
Available is ibuprofen 200 mg tablets. How many tablets should the
nurse administer?
A) 1 tablet
B) 2 tablets
C) 3 tablets
D) 4 tablets
(,,,answer,,,: C) 3 tablets
Rationale: 600 mg ÷ 200 mg/tablet = 3 tablets.
Q6. A nurse is preparing to administer metronidazole 500 mg IV.
Available is metronidazole 5 mg/mL. How many mL should the
nurse administer?
A) 50 mL
B) 75 mL
C) 100 mL
D) 125 mL
(,,,answer,,,: C) 100 mL
Rationale: 500 mg ÷ 5 mg/mL = 100 mL.
, Q7. A nurse is preparing to administer furosemide 60 mg IV push.
Available is furosemide 10 mg/mL. How many mL should the nurse
administer?
A) 4 mL
B) 5 mL
C) 6 mL
D) 7 mL
(,,,answer,,,: C) 6 mL
Rationale: 60 mg ÷ 10 mg/mL = 6 mL.
Q8. A nurse is preparing to administer phenytoin 200 mg PO.
Available is phenytoin oral suspension 125 mg/5 mL. How many mL
should the nurse administer?
A) 6 mL
B) 7 mL
C) 8 mL
D) 9 mL
(,,,answer,,,: C) 8 mL
Rationale: 125 mg/5 mL = 25 mg/mL. 200 mg ÷ 25 mg/mL = 8 mL.
Q9. A nurse is preparing to administer potassium chloride 20 mEq
PO daily. Available is potassium chloride liquid 40 mEq/15 mL.
How many mL should the nurse administer?
A) 5 mL
B) 7.5 mL
C) 10 mL
D) 12.5 mL
