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ATI DOSAGE CALCULATION & RN FUNDAMENTALS
PROCTORED ASSESSMENT 3.2 | 100 VERIFIED Q&A
(2026) ALREADY GRADED A+
1. A provider prescribes amoxicillin 500 mg PO every 8 hr.
Available: 250 mg/tablet. How many tablets per dose?
Answer: 2 tablets
500
Rationale: 250 .
=2
2. Order: Heparin 7,500 units SQ q12hr. Available: 10,000
units/mL. How many mL per dose?
Answer: 0.75 mL
7500
Rationale: 10000
=0.75 mL.
3. A patient weighs 132 lb. The order is 5 mg/kg/day in 2
divided doses. What is the single dose in mg?
Answer: 150 mg
Rationale: 132 ÷ 2.2 = 60 kg; 60 × 5 = 300 mg/day; ÷2 =
150 mg/dose.
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4. Provider prescribes gentamicin 120 mg IM. Available: 40
mg/mL. How many mL per dose?
Answer: 3 mL
120
Rationale: 40
=3 mL.
5. Order: Furosemide 80 mg IV push daily. Available: 20 mg/2
mL. How many mL?
Answer: 8 mL
80
Rationale: 20 mg ÷ 2 mL = 10 mg/mL. 10
=8 mL .
6. A child weighs 44 lb. Prescribed: Cefazolin 50 mg/kg/day in
3 doses. How many mg per dose?
Answer: 333 mg (approx.)
Rationale: 44 ÷ 2.2 = 20 kg; 20 × 50 = 1000 mg/day ÷ 3 =
333 mg.
7. Ordered: Digoxin 0.25 mg PO daily. Available: 0.125
mg/tablet. How many tablets?
Answer: 2 tablets
0.25
Rationale: 0.125 .
=2
8. Prescribed: Phenytoin 100 mg IV q6h. Available: 50 mg/mL.
How many mL?
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Answer: 2 mL
100
Rationale: 50
=2 mL.
9. A client is to receive 1,000 mL IV over 10 hr. Drop factor: 15
gtt/mL. What is the flow rate in gtt/min?
Answer: 25 gtt/min
1000
Rationale: 600
=1.67 mL /min× 15=25 gtt /min.
10. Order: Potassium chloride 20 mEq in 100 mL IV over 1 hr.
Drop factor: 60 gtt/mL. What is gtt/min?
Answer: 100 gtt/min
Rationale: 100 ÷ 60 = 1.67 mL/min × 60 = 100 gtt/min.
11. Provider prescribes acetaminophen 650 mg PO q6h.
Available: 325 mg/tablet. How many tablets?
Answer: 2 tablets
650
Rationale: 325 .
=2
12. Child weighs 55 lb. Ordered: 10 mg/kg amoxicillin per
dose. How many mg per dose?
Answer: 250 mg
Rationale: 55 ÷ 2.2 = 25 kg × 10 = 250 mg.
ATI DOSAGE CALCULATION & RN FUNDAMENTALS
PROCTORED ASSESSMENT 3.2 | 100 VERIFIED Q&A
(2026) ALREADY GRADED A+
1. A provider prescribes amoxicillin 500 mg PO every 8 hr.
Available: 250 mg/tablet. How many tablets per dose?
Answer: 2 tablets
500
Rationale: 250 .
=2
2. Order: Heparin 7,500 units SQ q12hr. Available: 10,000
units/mL. How many mL per dose?
Answer: 0.75 mL
7500
Rationale: 10000
=0.75 mL.
3. A patient weighs 132 lb. The order is 5 mg/kg/day in 2
divided doses. What is the single dose in mg?
Answer: 150 mg
Rationale: 132 ÷ 2.2 = 60 kg; 60 × 5 = 300 mg/day; ÷2 =
150 mg/dose.
,2|Page
4. Provider prescribes gentamicin 120 mg IM. Available: 40
mg/mL. How many mL per dose?
Answer: 3 mL
120
Rationale: 40
=3 mL.
5. Order: Furosemide 80 mg IV push daily. Available: 20 mg/2
mL. How many mL?
Answer: 8 mL
80
Rationale: 20 mg ÷ 2 mL = 10 mg/mL. 10
=8 mL .
6. A child weighs 44 lb. Prescribed: Cefazolin 50 mg/kg/day in
3 doses. How many mg per dose?
Answer: 333 mg (approx.)
Rationale: 44 ÷ 2.2 = 20 kg; 20 × 50 = 1000 mg/day ÷ 3 =
333 mg.
7. Ordered: Digoxin 0.25 mg PO daily. Available: 0.125
mg/tablet. How many tablets?
Answer: 2 tablets
0.25
Rationale: 0.125 .
=2
8. Prescribed: Phenytoin 100 mg IV q6h. Available: 50 mg/mL.
How many mL?
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Answer: 2 mL
100
Rationale: 50
=2 mL.
9. A client is to receive 1,000 mL IV over 10 hr. Drop factor: 15
gtt/mL. What is the flow rate in gtt/min?
Answer: 25 gtt/min
1000
Rationale: 600
=1.67 mL /min× 15=25 gtt /min.
10. Order: Potassium chloride 20 mEq in 100 mL IV over 1 hr.
Drop factor: 60 gtt/mL. What is gtt/min?
Answer: 100 gtt/min
Rationale: 100 ÷ 60 = 1.67 mL/min × 60 = 100 gtt/min.
11. Provider prescribes acetaminophen 650 mg PO q6h.
Available: 325 mg/tablet. How many tablets?
Answer: 2 tablets
650
Rationale: 325 .
=2
12. Child weighs 55 lb. Ordered: 10 mg/kg amoxicillin per
dose. How many mg per dose?
Answer: 250 mg
Rationale: 55 ÷ 2.2 = 25 kg × 10 = 250 mg.
