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Heparin protocol is prescribed for a client weighing 90 kg. Per protocol, the heparin loading dose is 60 units/kg IV rounded to the nearest 100 units, with a maximum loading dose of 4,000 units. The heparin vial is labeled 5,000 units/ml. How many ml should the nurse administer? (Enter the numeric value only. If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["0.8"]

First, calculate the loading dose:

Loading dose = 60 units/kg x 90 kg = 5400 units

Since the maximum loading dose is 4,000 units, the nurse should administer 4,000 units.

Next, calculate the volume to administer:

Volume = Desired Dose (units) / Concentration (units/mL)

Volume = 4,000 units / 5,000 units/mL

Volume = 0.8 mL

Therefore, the nurse should administer 0.8 mL of heparin.

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Correct Answer is ["140"]

Explanation

Understanding the Problem:

We need to prepare a 280 ml tube feeding of Ensure that's 50% strength.

Full-strength Ensure comes in 240 ml cans.

Solution:

Determine the volume of Ensure needed:

Since we want a 50% solution, we need to dilute the full-strength Ensure by half.

So, we need 280 ml / 2 = 140 ml of full-strength Ensure.

Therefore, the nurse should use 140 ml of Ensure to prepare the feeding.

Correct Answer is ["1.0"]

Explanation

To calculate the volume of etanercept to be administered, we can use the following formula:

Volume (mL) = Desired Dose (mg) / Concentration (mg/mL)

Plugging in the given values:

Volume (mL) = 25 mg / 50 mg/mL

Volume (mL) = 0.5 mL

Since the medication is available in a prefilled syringe labeled 50 mg/2 mL, we need to administer 2 mL to obtain the desired dose of 25 mg.

Therefore, the nurse should administer 1.0 mL of etanercept.

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Naxlex Comprehensive Predictor Exams

By The nurse is preparing a tube feeding of Ensure 280 ml (50% solution). Full strength Ensure is available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value for only. If rounding is required, round to nearest whole number.)

Correct Answer is ["140"]

Explanation

A client with rheumatoid arthritis receives a prescription for etanercept 25 mg. The medication is available in a prefilled syringe labeled, 50 mg/2 ml. How many ml should the nurse administer? (Enter the numerical value only.)

Correct Answer is ["1.0"]

Explanation

The health-care provider prescribes levothyroxine 600 mcg PO daily. The available dose pack is labeled, levothyroxine 0.3 mg. How many tablets should the nurse administer? (Enter a whole number only.)

A client is receiving alprazolam (Xanax) 0.75 mg PO bid for anxiety. Alprazolam is available in 0.5 mg scored tablets. How many tablets should the nurse administer? (Enter numeric value only.)

A client who has heart failure with paroxysmal atrial tachycardia is receiving digoxin (Lanoxin) 0.45 mg IV as the initial digitalizing dose. The pharmacy provides 0.25 mg/ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

A client receives a prescription for azithromycin (Zithromax) 500 mg PO x 3 days. Azithromycin is available as 250 mg scored tablets. How many tablets should the nurse administer per dose? (Enter the numerical value only.)

The health-care provider prescribes furosemide (Lasix) 25 mg IV. The drug is available in a solution of 40 mg/4ml. How many ml should the nurse administer? (Enter numeric value only. If rounding is required, round to the nearest tenth.)

The health-care provider prescribes trimethoprim-sulfamethoxazole (Bactrim-DS Oral Suspension) 120 mg BID for a child with bronchitis. The Bactrim bottle is labeled "200 mg/5ml." How many ml should the nurse administer at each dose? (Enter the numeric value, whole number, only.)