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The order is for the patient to take 100 mg PO daily. The nurse reads the following label and correctly informs the patient:

Azithromycin

for Oral Suspension, USP

100 mg per 5 mL

300 mg (15 mL when mixed)

FOR ORAL USE ONLY

MIXING DIRECTIONS:

Shake to loosen powder. Add 9 mL of water to the bottle.

After mixing, use within 10 days.

SHAKE WELL BEFORE USING.

Discard after full dosing is completed.

A.

That every tablespoon has 300 mg of the drug

B.

That every teaspoon has 300 mg of the drug

C.

That they should use a measuring device that accurately measures mL

D.

That they should mix the ordered dose with an 8-oz glass of water

Answer and Explanation

The Correct Answer is C

A. That every tablespoon has 300 mg of the drug: One tablespoon is 15 mL, which in this preparation contains 300 mg only after reconstitution. However, instructing the patient this way could lead to dosing errors, especially if they use household utensils instead of an accurate measuring device.

B. That every teaspoon has 300 mg of the drug: One teaspoon equals 5 mL, which contains 100 mg after reconstitution. Telling the patient that a teaspoon has 300 mg would result in a threefold overdose, making this statement unsafe.

C. That they should use a measuring device that accurately measures mL: Using an oral syringe or dosing cup ensures precise measurement of the prescribed 100 mg (5 mL) dose. This method minimizes errors and promotes safe administration, particularly for pediatric or adult liquid medications.

D. That they should mix the ordered dose with an 8-oz glass of water: The preparation instructions specify adding 9 mL of water to reconstitute the medication, not mixing the dose in a glass of water. Following this incorrect instruction could result in improper concentration and dosing errors.


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Related Questions

Correct Answer is B

Explanation

  • Calculate the number of tablets per dose:

Ordered dose = 25 mg

Available tablet strength = 50 mg per tablet

Tablets to administer = (Ordered dose / Available strength)

= (25 mg / 50 mg/tablet)

= 0.5 tablet (or 1/2 tablet).

Correct Answer is B

Explanation

Calculation:

Prescribed volume = 3 teaspoons (tsp)

Conversion factor = 1 tablespoon (tbsp) = 3 teaspoons (tsp)

  • Calculate the volume in tablespoons (tbsp).

Volume (tbsp) = (Volume in tsp / Conversion factor)

= (3 tsp / 3 tsp/tbsp)

= 1 tablespoon.

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