,NUR 227 Dosage Calculation Exam Psychiatric Nursing Questions
And Answers 2026/2027 Jersey College
Q1. Convert 1.5 g to milligrams.
A) 1,500 mg
B) 150 mg
C) 15 mg
D) 15,000 mg
Correct Answer: A) 1,500 mg
Rationale: Multiply grams by 1,000. Therefore, 1.5 × 1,000 = 1,500 mg.
Q2. Convert 250 mcg to milligrams.
A) 2.5 mg
B) 0.25 mg
C) 25 mg
D) 0.025 mg
Correct Answer: B) 0.25 mg
Rationale: Divide micrograms by 1,000. Therefore, 250 ÷ 1,000 = 0.25 mg.
Q3. Convert 0.75 g to milligrams.
A) 75 mg
B) 7,500 mg
C) 750 mg
D) 0.75 mg
Correct Answer: C) 750 mg
Rationale: Multiply 0.75 g by 1,000 to obtain 750 mg.
Q4. Convert 2.5 L to milliliters.
A) 25 mL
B) 250 mL
C) 25,000 mL
D) 2,500 mL
Correct Answer: D) 2,500 mL
Rationale: One liter equals 1,000 mL. Therefore, 2.5 × 1,000 = 2,500 mL.
, Q5. A patient is prescribed 20 mg of a medication. Each tablet
contains 10 mg. How many tablets should be administered?
A) 2 tablets
B) 1 tablet
C) 3 tablets
D) 4 tablets
Correct Answer: A) 2 tablets
Rationale: Divide the ordered dose by the dose available: 20 ÷ 10 = 2
tablets.
Q6. A medication is prescribed at 1.5 mg. Available tablets contain
0.5 mg each. How many tablets should be administered?
A) 1 tablet
B) 3 tablets
C) 2 tablets
D) 4 tablets
Correct Answer: B) 3 tablets
Rationale: 1.5 ÷ 0.5 = 3 tablets.
Q7. A patient is prescribed 7.5 mg of a medication. Tablets contain
2.5 mg each. How many tablets should be given?
A) 1 tablet
B) 2 tablets
C) 3 tablets
D) 4 tablets
Correct Answer: C) 3 tablets
Rationale: 7.5 ÷ 2.5 = 3 tablets.
Q8. A prescription calls for 10 mg of a medication. Available tablets
contain 5 mg each. How many tablets should be administered?
A) 0.5 tablet
B) 1 tablet
C) 3 tablets
D) 2 tablets
Correct Answer: D) 2 tablets
And Answers 2026/2027 Jersey College
Q1. Convert 1.5 g to milligrams.
A) 1,500 mg
B) 150 mg
C) 15 mg
D) 15,000 mg
Correct Answer: A) 1,500 mg
Rationale: Multiply grams by 1,000. Therefore, 1.5 × 1,000 = 1,500 mg.
Q2. Convert 250 mcg to milligrams.
A) 2.5 mg
B) 0.25 mg
C) 25 mg
D) 0.025 mg
Correct Answer: B) 0.25 mg
Rationale: Divide micrograms by 1,000. Therefore, 250 ÷ 1,000 = 0.25 mg.
Q3. Convert 0.75 g to milligrams.
A) 75 mg
B) 7,500 mg
C) 750 mg
D) 0.75 mg
Correct Answer: C) 750 mg
Rationale: Multiply 0.75 g by 1,000 to obtain 750 mg.
Q4. Convert 2.5 L to milliliters.
A) 25 mL
B) 250 mL
C) 25,000 mL
D) 2,500 mL
Correct Answer: D) 2,500 mL
Rationale: One liter equals 1,000 mL. Therefore, 2.5 × 1,000 = 2,500 mL.
, Q5. A patient is prescribed 20 mg of a medication. Each tablet
contains 10 mg. How many tablets should be administered?
A) 2 tablets
B) 1 tablet
C) 3 tablets
D) 4 tablets
Correct Answer: A) 2 tablets
Rationale: Divide the ordered dose by the dose available: 20 ÷ 10 = 2
tablets.
Q6. A medication is prescribed at 1.5 mg. Available tablets contain
0.5 mg each. How many tablets should be administered?
A) 1 tablet
B) 3 tablets
C) 2 tablets
D) 4 tablets
Correct Answer: B) 3 tablets
Rationale: 1.5 ÷ 0.5 = 3 tablets.
Q7. A patient is prescribed 7.5 mg of a medication. Tablets contain
2.5 mg each. How many tablets should be given?
A) 1 tablet
B) 2 tablets
C) 3 tablets
D) 4 tablets
Correct Answer: C) 3 tablets
Rationale: 7.5 ÷ 2.5 = 3 tablets.
Q8. A prescription calls for 10 mg of a medication. Available tablets
contain 5 mg each. How many tablets should be administered?
A) 0.5 tablet
B) 1 tablet
C) 3 tablets
D) 2 tablets
Correct Answer: D) 2 tablets
