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A nurse is calculating the intake of a client during the past 9 hrs. The client's intake includes lactated Ringer's IV at 150 mL/hr. cefazolin 2 g IV Intermittent bolus in 100 mL of 0.9% sodium chloride, two units of packed RBCs of 275 mL and 250 mL; two IV bolus infusions of 250 mL of 0.9% sodium chloride, ranitidine 50 mg IV intermittent bolus in 50 ml of dextrose 5% in water. How many mL of intake should the nurse record?

Answer and Explanation

The Correct Answer is ["2525"]

To calculate the total intake, we'll add up the volumes of all fluids the client received during the past 9 hours:

Lactated Ringer's IV:

150 mL/hr × 9 hrs = 1350 mL

Cefazolin:

100 mL (intermittent bolus)

Packed RBCs:

250 mL +275 mL = 525 mL

IV bolus infusions:

2 × 250 mL = 500 mL

Ranitidine:

50 mL (intermittent bolus)

Total intake:

1350 mL + 100 mL + 525 mL + 500 mL + 50 mL = 2520 mL

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Correct Answer is ["2.5"]

Explanation

To calculate the medication dosage, we'll follow these steps:

Convert the ordered dose to grams:

75 mg ÷ 1000 mg/g = 0.075 g

Determine the required volume:

0.075 g ÷ 0.15 g/5 mL = 2.5 mL

Correct Answer is ["115"]

Explanation

To determine the IV pump rate, let’s follow these steps:

Reconstitute the medication:

The concentration after reconstitution is 1 Gm/10 mL.

Since 1 Gm = 1000 mg, the concentration is 100 mg/mL.

Calculate the volume needed for the required dose:

The patient needs 1500 mg.

Using the concentration, calculate the volume: 1500/100= 15 mL

Further dilute the medication:

Add the 15 mL of reconstituted medication to 100 mL of normal saline solution (NSS).

Total volume to be infused = 15 mL + 100 mL = 115 mL.

Set the IV pump rate:

The medication is to be infused over one hour.

Therefore, the IV pump rate is: 115/1= 115 mL/ hr

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Naxlex Comprehensive Predictor Exams

The client is to receive an oral suspension of Drug H 75 mg PO. The nurse has Drug H available in a suspension 0.15 Gm per 5 mL What should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero If It applies. Do not use a trailing zero.)

Correct Answer is ["2.5"]

Explanation

Correct Answer is ["115"]

Explanation

A nurse is preparing to administer antibiotics 15 mg/kg/day divided equally every 12 hr. The client weighs 158 lb. How many mg should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

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