# Drug Dosage Calculations NCLEX Quiz 15

10 Questions | Total Attempts: 1273

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All questions are shown, but the results will only be given after you’ve finished the quiz. You are given 1 minute per question, a total of 10 minutes in this quiz.

• 1.
Your patient is taking acetaminophen (Tylenol) gr 15 every 6 hours PO for headache pain. You know the maximum safe dose is 4 g in 24 hours. Is the dose safe?
• A.

2 g/day. safe!

• B.

4 g/day. safe!

• C.

6 g/day. not safe!

• D.

8 g/day. not safe!

• 2.
You are caring for your ill grandmother at home. She has an order for magnesium hydroxide/aluminum hydroxide (Maalox) 10 mL PO prn stomach upset. How do you instruct her to measure her dose using household measuring spoons?
• A.

1 teaspoon

• B.

1 1/2 teaspoons

• C.

2 teaspoons

• D.

2 1/2 teaspoons

• 3.
Your patient needs 2.000 mL of saline IV over 4 hours for severely deficient fluid volume. How many milliliters per hour will you set on a controller?
• A.

500 mL/hour

• B.

250 mL/hour

• C.

33 mL/hour

• D.

8 mL/hour

• 4.
Your patient needs 2.000 mL of D5W IV over 24 hours. to be delivered with a tubing set with a drop factor of 15. How many drops per minute will you set for an infusion rate?
• A.

83 gtts/minute

• B.

42 gtts/minute

• C.

36 gtts/minute

• D.

21 gtts/minute

• 5.
You have on hand penicillin 300.000 units/mL. Your order reads penicillin 1.000.000 units IM. How will you fill the syringe?
• A.

0.3 mL

• B.

3.3 mL

• C.

4.4 mL

• D.

5.5 mL

• 6.
The physician orders alprazolam (Xanax) 0.5 mg PO. You have on hand Xanax 0.25 mg tablets. How many will you give?
• A.

1/2 tablet

• B.

1 tablet

• C.

1 1/2 tablets

• D.

2 tablets

• 7.
You need to administer 250 mg of erythromycin PO. You have on hand 0.5 g tablets. How many tablets will you give?
• A.

1/2 tablet

• B.

1 tablet

• C.

1 1/2 tablets

• D.

2 tablets

• 8.
You need to administer 400 mg of erythromycin PO. You have on hand a suspension of 125 mg/5 mL. How much will you prepare?
• A.

1.6 mL

• B.

3.2 mL

• C.

12 mL

• D.

16 mL

• 9.
You need to administer furosemide (Lasix) 2 mg/minute via continuous IV infusion on a controller. Pharmacy has sent a bag of Lasix 400 mg diluted in D5W 250 mL. How many milliliters per hour will you set on the controller?
• A.

75 mL/hour

• B.

100 mL/hour

• C.

150 mL/hour

• D.

250 mL/hour

• 10.
A patient with HIV infection is receiving 200 mg of didanosine PO bid. The pharmacy only has powder packets with 167 mg each. to be mixed with 4 oz of water. How many packets should the patient mix? How much should the patient take? How can it be measured?
• A.

4.8 oz

• B.

3.3 oz

• C.

2.2 oz

• D.

1.8 oz

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