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A client with chronic constipation reports taking 2 ounces of magnesium hydroxide at bedtime. The bottle is labeled "Magnesium hydroxide saline laxative, USP 400 mg per 5 mL. How many mL should the nurse document in the medical record? (Enter numerical value only.)

Answer and Explanation

The Correct Answer is ["59.147"]

Here's how to calculate the number of mL the nurse should document:

Client dosage: 2 ounces (given)

Conversion factor: 1 ounce (oz) = 29.5735 mL (conversion factor)

Magnesium hydroxide concentration: 400 mg per 5 mL (from bottle label)

We need to find the equivalent volume in mL of the 2 ounces dosage the client reported.

Steps:

a. Convert ounces to mL:

Client dosage (mL) = Client dosage (oz) x Conversion factor (mL/oz)

Client dosage (mL) = 2 oz * 29.5735 mL/oz

Client dosage (mL) = 59.147 mL (round to nearest hundredth)

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Correct Answer is ["100"]

Explanation

The nurse should set the infusion pump to deliver the entire 150 mL over the course of 90 minutes.

First, convert the time from minutes to hours because the rate is required in mL/hr.

90 minutes is 1.5 hours (since 1 hour = 60 minutes).

Therefore, the IV pump should be set to deliver:

Rate(mL/hr)=Time(hr)Totalvolume(mL)=1.5hr150mL

After performing the calculation, we find that the rate equals 100 mL/hr.

So, the nurse should set the infusion pump to deliver 100 mL/hr. This is rounded to the nearest whole number as per the instructions.

Correct Answer is ["12000"]

Explanation

Here's how to calculate the total heparin units the client will receive in 12 hours

Heparin concentration:

The medication is delivered in a 500 mL bag containing 20,000 units of heparin.

Heparin concentration (units/mL) = Total heparin (units) / Volume (mL)

Heparin concentration (units/mL) = 20,000 units / 500 mL

Heparin concentration (units/mL) = 40 units/mL

Infusion rate: 25 mL/hour (given)

Time: 12 hours (given)

We need to find the total number of heparin units delivered in 12 hours.

Total volume delivered in 12 hours:

Volume delivered (mL/hour) x Time (hours) = Total volume delivered (mL)

25 mL/hour x 12 hours = 300 mL

Total heparin units delivered:

Heparin concentration (units/mL) x Total volume delivered (mL) = Total heparin units

40 units/mL x 300 mL = 12,000 units

Therefore, the client will receive 12,000 units of heparin in 12 hours.

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A client with chronic constipation reports taking 2 ounces of magnesium hydroxide at bedtime. The bottle is labeled "Magnesium hydroxide saline laxative, USP 400 mg per 5 mL. How many mL should the nurse document in the medical record? (Enter numerical value only.)

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Naxlex Comprehensive Predictor Exams

The healthcare provider prescribes ganciclovir 375 mg intravenously (IV) every 12 hours to infuse over 90 minutes. The pharmacy delivers ganciclovir 375 mg in a 150 mL IV bag. How many mL/hour should the nurse program the infusion pump? (Enter a whole number only.)

Correct Answer is ["100"]

Explanation

A client with deep vein thrombosis (DVT) is receiving a continuous IV infusion of heparin sodium 20,000 units in 5% dextrose injection 500 mL at the rate of 25 mL/hour. How many units of heparin should the client receive in 12 hours? (Enter numeric value only.)

Correct Answer is ["12000"]

Explanation

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