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A patient is prescribed 25 mg of a medication. The available supply is 50 mg per 5 mL. How many ml should the nurse administer?

2.5 mL

5 mL

10 mL

1 mL

Answer and Explanation

The Correct Answer is A

Ordered Dose: 25 mg

Available Concentration: 50 mg/5 mL

Calculate the volume to administer

Volume to administer = (Ordered Dose ÷ Concentration) × Volume of Concentration

Volume to administer = (25 ÷ 50) × 5

Volume to administer = 0.5 × 5

Volume to administer = 2.5 mL

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Correct Answer is B

Explanation

A. Graduated cylinder and a funnel: While a graduated cylinder can measure liquid medications, a funnel is not practical for nasogastric tube administration and may increase the risk of spillage or contamination.

B. Syringe without a needle: A syringe without a needle is essential for safely delivering medications through a nasogastric tube. It allows controlled administration directly into the tube without causing injury or clogging.

C. Needle and syringe: Needles are not used for nasogastric tube administration because they can damage the tube and pose a risk of injury; medication should be delivered directly via the syringe.

D. Pill crusher and a stethoscope: A pill crusher may be used to prepare solid medications for tube administration, but a stethoscope is unnecessary for the act of administering medication itself. The syringe is the primary equipment needed.

A. 2 tablets B. 0.5 tablets C. 1.5 tablets D. 1 tablet

Correct Answer is B

Explanation

Calculation:

Identify the desired dose and the available dose

Desired Dose: 75 mg

Available Dose: 150 mg per tablet

Apply the Desired ÷ Have method

Number of Tablets = Desired ÷ Have

Number of Tablets = 75 ÷ 150

Number of Tablets = 0.5 tablets

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A patient is prescribed 25 mg of a medication. The available supply is 50 mg per 5 mL. How many ml should the nurse administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which equipment is essential for administering enteral medications via a nasogastric tube?

Correct Answer is B

Explanation

A medication is prescribed at 75 mg, and it is available as 150 mg per tablet. Using the desired over have method, how many tablets should be administered?

Correct Answer is B

Explanation

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