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WGU C784 Applied Healthcare Statistics Final Exam
2026/2027 | Complete Verified Questions and Answers
| Latest Updated WGU C784 Exam Q&A | Based on
Frequently Tested Statistical Concepts
Section 1: Basic Numeracy & Fractions (Q1–10)
Q1. A medication order reads 125 mcg. Available tablets are labeled 0.25 mg. How many tablets will the
nurse administer?
A. 0.25
B. 0.5
C. 1
D. 2
Answer: B
Solution: 125 mcg = 0.125 mg. Desired dose (0.125 mg) / Have (0.25 mg per tablet) = 0.5 tablet.
Q2. A patient consumed 1/3 of a 240 mL juice can. How many milliliters remain?
A. 60 mL
B. 80 mL
C. 160 mL
D. 180 mL
Answer: C
Solution: Remaining fraction = 1 – 1/3 = 2/3. 2/3 × 240 = 160 mL.
Q3. A solution contains 50 mg of drug in 2 mL. How many mg in 0.6 mL?
A. 10 mg
B. 12.5 mg
C. 15 mg
D. 20 mg
Answer: C
Solution: Concentration 25 mg/mL; 25 × 0.6 = 15 mg.
Q4. Express 0.45 as a fraction in lowest terms.
A. 45/100
B. 9/20
C. 4/5
D. 9/50
Answer: B
Solution: 0.45 = 45/100 = 9/20 after dividing by 5.
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,2
Q5. Convert 3/8 to a decimal.
A. 0.325
B. 0.375
C. 0.425
D. 0.475
Answer: B
Solution: 3 ÷ 8 = 0.375.
Q6. A patient weighs 154 lbs. How many kg? (1 kg = 2.2 lb)
A. 63 kg
B. 70 kg
C. 77 kg
D. 338.8 kg
Answer: B
Solution: .2 = 70 kg.
Q7. The dosage ordered is 10 mg/kg/day in two divided doses. The patient weighs 44 lbs. What is each
dose?
A. 50 mg
B. 100 mg
C. 200 mg
D. 220 mg
Answer: B
Solution: Weight = .2 = 20 kg. Total daily = 10 × 20 = 200 mg. Each dose = = 100 mg.
Q8. A nurse must give an infusion at 125 mL/hr. How many mL will infuse in 45 minutes?
A. 75 mL
B. 93.75 mL
C. 100 mL
D. 56.25 mL
Answer: B
Solution: 45 minutes = 0.75 hr. Volume = 125 × 0.75 = 93.75 mL.
Q9. 30% of a 500-bed hospital are COVID patients. How many beds are occupied by non-COVID
patients?
A. 150
B. 200
C. 300
D. 350
Answer: D
Solution: 30% of 500 = 150 COVID patients; 500 – 150 = 350 non-COVID.
Q10. A 1-L bag of saline contains 0.9% sodium chloride. How many grams of NaCl are in the bag?
A. 0.9 g
pg. 2
,3
B. 9 g
C. 90 g
D. 900 g
Answer: B
Solution: 0.9% = 0.9 g/100 mL. 1 L = 1000 mL, so 0.9 × 10 = 9 g.
Section 2: Decimals, Ratios & Proportions (Q11–20)
Q11. A vial contains 1,000,000 units of penicillin in 10 mL. How many mL for 300,000 units?
A. 2
B. 3
C. 4
D. 5
Answer: B
Solution: 1,000,000 units/10 mL = 100,000 units/mL. 300,,000 = 3 mL.
Q12. A pediatric dose is 15 mg/kg. Child weight: 12 kg. Medication concentration: 50 mg/5 mL. How
many mL?
A. 12
B. 15
C. 18
D. 20
Answer: C
Solution: Dose = 15 × 12 = 180 mg. 50 mg/5 mL = 10 mg/mL. 180/10 = 18 mL.
Q13. A solution is made by mixing 1 part concentrate with 3 parts water. What fraction of the mixture is
concentrate?
A. 1/3
B. 1/4
C. 3/4
D. 1/2
Answer: B
Solution: Total parts = 1+3 = 4. Concentrate fraction = 1/4.
Q14. Solve for x: 5/8 = x/40
A. 15
B. 20
C. 25
D. 30
Answer: C
Solution: Cross multiply: 5 × 40 = 8x → 200 = 8x → x = 25.
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, 4
Q15. A patient's IV is running at 20 drops/min. The drop factor is 15 gtt/mL. How many mL/hr?
A. 40
B. 60
C. 80
D. 100
Answer: C
Solution: mL/hr = (drop rate × 60) / drop factor = (20 × 60)/15 = 80 mL/hr.
Q16. A nurse is to give 2,000 mL of IV fluid over 16 hours. The drop factor is 10 gtt/mL. What is the drip
rate in gtt/min?
A. 15
B. 21
C. 28
D. 33
Answer: B
Solution: mL/hr = 2000/16 = 125 mL/hr. Drip rate = (125 × 10)/60 ≈ 20.8 → 21 gtt/min.
Q17. The ratio of nurses to patients on a unit is 1:4. If there are 6 nurses, how many patients can they
care for?
A. 18
B. 24
C. 30
D. 36
Answer: B
Solution: 1/4 = 6/x → x = 24.
Q18. A medication dose of 0.5 g is ordered. Tablets are 250 mg each. How many tablets?
A. 0.5
B. 1
C. 2
D. 5
Answer: C
Solution: 0.5 g = 500 mg. 500/250 = 2 tablets.
Q19. A patient is to receive 30 mEq of potassium. The solution contains 40 mEq in 20 mL. How many
mL?
A. 10
B. 12.5
C. 15
D. 20
Answer: C
Solution: 30 mEq / (40 mEq/20 mL) = 30/2 = 15 mL.
pg. 4
WGU C784 Applied Healthcare Statistics Final Exam
2026/2027 | Complete Verified Questions and Answers
| Latest Updated WGU C784 Exam Q&A | Based on
Frequently Tested Statistical Concepts
Section 1: Basic Numeracy & Fractions (Q1–10)
Q1. A medication order reads 125 mcg. Available tablets are labeled 0.25 mg. How many tablets will the
nurse administer?
A. 0.25
B. 0.5
C. 1
D. 2
Answer: B
Solution: 125 mcg = 0.125 mg. Desired dose (0.125 mg) / Have (0.25 mg per tablet) = 0.5 tablet.
Q2. A patient consumed 1/3 of a 240 mL juice can. How many milliliters remain?
A. 60 mL
B. 80 mL
C. 160 mL
D. 180 mL
Answer: C
Solution: Remaining fraction = 1 – 1/3 = 2/3. 2/3 × 240 = 160 mL.
Q3. A solution contains 50 mg of drug in 2 mL. How many mg in 0.6 mL?
A. 10 mg
B. 12.5 mg
C. 15 mg
D. 20 mg
Answer: C
Solution: Concentration 25 mg/mL; 25 × 0.6 = 15 mg.
Q4. Express 0.45 as a fraction in lowest terms.
A. 45/100
B. 9/20
C. 4/5
D. 9/50
Answer: B
Solution: 0.45 = 45/100 = 9/20 after dividing by 5.
pg. 1
,2
Q5. Convert 3/8 to a decimal.
A. 0.325
B. 0.375
C. 0.425
D. 0.475
Answer: B
Solution: 3 ÷ 8 = 0.375.
Q6. A patient weighs 154 lbs. How many kg? (1 kg = 2.2 lb)
A. 63 kg
B. 70 kg
C. 77 kg
D. 338.8 kg
Answer: B
Solution: .2 = 70 kg.
Q7. The dosage ordered is 10 mg/kg/day in two divided doses. The patient weighs 44 lbs. What is each
dose?
A. 50 mg
B. 100 mg
C. 200 mg
D. 220 mg
Answer: B
Solution: Weight = .2 = 20 kg. Total daily = 10 × 20 = 200 mg. Each dose = = 100 mg.
Q8. A nurse must give an infusion at 125 mL/hr. How many mL will infuse in 45 minutes?
A. 75 mL
B. 93.75 mL
C. 100 mL
D. 56.25 mL
Answer: B
Solution: 45 minutes = 0.75 hr. Volume = 125 × 0.75 = 93.75 mL.
Q9. 30% of a 500-bed hospital are COVID patients. How many beds are occupied by non-COVID
patients?
A. 150
B. 200
C. 300
D. 350
Answer: D
Solution: 30% of 500 = 150 COVID patients; 500 – 150 = 350 non-COVID.
Q10. A 1-L bag of saline contains 0.9% sodium chloride. How many grams of NaCl are in the bag?
A. 0.9 g
pg. 2
,3
B. 9 g
C. 90 g
D. 900 g
Answer: B
Solution: 0.9% = 0.9 g/100 mL. 1 L = 1000 mL, so 0.9 × 10 = 9 g.
Section 2: Decimals, Ratios & Proportions (Q11–20)
Q11. A vial contains 1,000,000 units of penicillin in 10 mL. How many mL for 300,000 units?
A. 2
B. 3
C. 4
D. 5
Answer: B
Solution: 1,000,000 units/10 mL = 100,000 units/mL. 300,,000 = 3 mL.
Q12. A pediatric dose is 15 mg/kg. Child weight: 12 kg. Medication concentration: 50 mg/5 mL. How
many mL?
A. 12
B. 15
C. 18
D. 20
Answer: C
Solution: Dose = 15 × 12 = 180 mg. 50 mg/5 mL = 10 mg/mL. 180/10 = 18 mL.
Q13. A solution is made by mixing 1 part concentrate with 3 parts water. What fraction of the mixture is
concentrate?
A. 1/3
B. 1/4
C. 3/4
D. 1/2
Answer: B
Solution: Total parts = 1+3 = 4. Concentrate fraction = 1/4.
Q14. Solve for x: 5/8 = x/40
A. 15
B. 20
C. 25
D. 30
Answer: C
Solution: Cross multiply: 5 × 40 = 8x → 200 = 8x → x = 25.
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, 4
Q15. A patient's IV is running at 20 drops/min. The drop factor is 15 gtt/mL. How many mL/hr?
A. 40
B. 60
C. 80
D. 100
Answer: C
Solution: mL/hr = (drop rate × 60) / drop factor = (20 × 60)/15 = 80 mL/hr.
Q16. A nurse is to give 2,000 mL of IV fluid over 16 hours. The drop factor is 10 gtt/mL. What is the drip
rate in gtt/min?
A. 15
B. 21
C. 28
D. 33
Answer: B
Solution: mL/hr = 2000/16 = 125 mL/hr. Drip rate = (125 × 10)/60 ≈ 20.8 → 21 gtt/min.
Q17. The ratio of nurses to patients on a unit is 1:4. If there are 6 nurses, how many patients can they
care for?
A. 18
B. 24
C. 30
D. 36
Answer: B
Solution: 1/4 = 6/x → x = 24.
Q18. A medication dose of 0.5 g is ordered. Tablets are 250 mg each. How many tablets?
A. 0.5
B. 1
C. 2
D. 5
Answer: C
Solution: 0.5 g = 500 mg. 500/250 = 2 tablets.
Q19. A patient is to receive 30 mEq of potassium. The solution contains 40 mEq in 20 mL. How many
mL?
A. 10
B. 12.5
C. 15
D. 20
Answer: C
Solution: 30 mEq / (40 mEq/20 mL) = 30/2 = 15 mL.
pg. 4
