# Drug Dosage Calculations NCLEX Quiz 13

10 Questions | Total Attempts: 1278

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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.
The recommended IV dose of gentamicin is 1 to 5 mg/kg. What is a safe range to administer to an adult man weighing 190 pounds?
• A.

1 mg to 5 mg

• B.

50 mg to 250 mg

• C.

86 mg to 431 mg

• D.

432 mg to 500 mg

• 2.
You are caring for a patient at home who must take magnesium hydroxide/aluminum hydroxide (Maalox) 30 mL PO. How will you instruct the patient to measure the dose using ordinary household measuring devices?
• A.

1 tbsp

• B.

1 1/2 tbsp

• C.

2 tbsp

• D.

3 tbsp

• 3.
You have an order to administer 1 L of 5% Dextrose in 0.45 normal saline IV over 16 hours. How many milliliters per hour will you set on the IV infusion controller?
• A.

63 mL/hour

• B.

60 mL/hour

• C.

55 mL/hour

• D.

38 mL/hour

• 4.
You have an order to administer 1 L of D5W IV over 8 hours. How many drops per minute will you set if you are using tubing with a drop factor of 15?
• A.

2 gtts/min

• B.

31 gtts/min

• C.

63 gtts/min

• D.

125 gtts/min

• 5.
Your order reads gatifloxacin (Tequin) 400 mg IV daily. It arrives in 50 mL of D5W. to run over 30 minutes. How many drops per minute will you set if you have tubing with a drop factor of 10?
• A.

17 gtts/min

• B.

13 gtts/min

• C.

10 gtts/min

• D.

8 gtts/min

• 6.
You have an order to administer heparin sodium IV at 1000 units per hour. It is supplied by your pharmacy as 25.000 units in 250 mL of D5W. For how many milliliters per hour should you program the controller?
• A.

10 mL/hour

• B.

15 mL/hour

• C.

20 mL/hour

• D.

25 mL/hour

• 7.
Your patient has an order for heparin SC 2500 units bid. You have on hand heparin 5000 units/mL. How many milliliters will you administer in a day?
• A.

0.5 mL

• B.

1 mL

• C.

2 mL

• D.

4 mL

• 8.
You evaluate a patient’s intake and output for 8 hours. Intake for 8 hours:[3 8-oz cups of coffee.4 oz orange juice.3/4 cup of milk.8 oz tomato soup.1/2 cup Jello.2 cups of water.750 mL of 0.9% normal saline IV.] How many milliliters should you record as intake?
• A.

2.061 mL intake

• B.

2.160 mL intake

• C.

2.601 mL intake

• D.

2.610 mL intake

• 9.
The physician orders codeine gr 1/4IM every 4 hours prn for a patient with pain. You have on hand codeine gr 1/2 per mL. What is the correct dose?
• A.

0.5 mL

• B.

1 mL

• C.

2 mL

• D.

3 mL

• 10.
A patient is receiving 250.000 units of penicillin G IM every 6 hours. You have on hand 300.000 units/mL. How much will you draw into the syringe?
• A.

2 mL

• B.

1.2 mL

• C.

1 mL

• D.

0.8 mL

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