A nurse is preparing to administer calcium carbonate 3.9 g PO daily in equally divided doses every 12 hr. Available is calcium carbonate 650 mg tablets. How many tablets should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["3"]

To calculate the number of tablets that the nurse should administer per dose, the nurse needs to convert the prescribed dose of calcium carbonate from grams to milligrams and then divide it by the strength of the available tablets. The formula is:

Prescribed dose (mg) / Tablet strength (mg) = Number of tablets

The prescribed dose of calcium carbonate is 3.9 g PO daily in equally divided doses every 12 hr.

To convert grams to milligrams, multiply by 1000.

Therefore, 3.9 g = 3900 mg.

Since the doses are equally divided every 12 hr, the nurse needs to divide the daily dose by 2 to get the dose per 12 hr. Therefore, 3900 mg / 2 = 1950 mg.

The available tablets have a strength of 650 mg each.

To find the number of tablets per dose, divide the dose per 12 hr by the tablet strength.

Therefore, 1950 mg / 650 mg = 3 tablets.

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Free Nursing Study Resources

Correct Answer is ["0.25"]

Explanation

To calculate the dosage of interferon beta-1a for the client, the nurse should use the following formula:

Dose (mL) = Desired dose (mcg) / Available dose (mcg/mL)

Plugging in the values from the prescription and the medication label, we get:

Dose (mL) = 11 mcg / 22 mcg/0.5 mL

Simplifying the fraction, we get:

Dose (mL) = 0.5 / 2

Dividing both sides by 2, we get:

Dose (mL) = 0.25

Therefore, the nurse should administer 0.25 mL of interferon beta-1a per dose.

A. Over-the-counter oral preparations can be taken with this medication. B. Choose the same day of each week to take this medication. C. Take the medication at 1800, 30 min after the evening meal. D. The client can return to bed after taking the medication, but before eating.

Correct Answer is B

Explanation

A. Over-the-counter oral preparations can be taken with this medication.

This statement is not accurate. Alendronate should be taken on an empty stomach, 30 minutes before any other oral medications, food, or drinks (except water).

B. Choose the same day of each week to take this medication.

This is the correct interpretation. Taking alendronate on the same day each week helps establish a routine and ensures consistent administration.

C. Take the medication at 1800, 30 min after the evening meal.

This is not correct. Alendronate should be taken in the morning, upon waking, with a full glass of water, and should be followed by 30 minutes of remaining upright.

D. The client can return to bed after taking the medication, but before eating.

This is not correct. After taking alendronate, the client should remain upright for at least 30 minutes to prevent esophageal irritation and optimize absorption. Returning to bed before eating is not recommended.

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["0.25"]

Explanation

Correct Answer is B

Explanation

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