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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.)

Answer and Explanation

The Correct Answer is ["3"]

Calculating the Trimethoprim-Sulfamethoxazole Dose

Problem: Administer 120 mg of Bactrim-DS Oral Suspension. The available concentration is 200 mg/5 mL.

Steps:

Set up a proportion:

We want to find the number of milliliters (mL) needed.

We know the desired dose (120 mg) and the concentration of the medication (200 mg/5 mL).

Proportion:

x mL / 120 mg = 5 mL / 200 mg

Cross-multiply:

200x = 600

Solve for x:

x = 600 / 200

x = 3

Answer: The nurse should administer 3 mL of Bactrim-DS Oral Suspension per dose.

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Correct Answer is ["2"]

Explanation

Calculating the Ferrous Fumarate Dose

Problem: Administer ferrous fumarate 3 mg/kg/day PO three times daily to an 88-pound child. The available concentration is 100 mg/5 mL.

Steps:

Convert pounds to kilograms:

88 pounds x (1 kg / 2.20462 pounds) ≈ 39.9 kg

Calculate the daily dose:

3 mg/kg/day x 39.9 kg = 119.7 mg/day

Calculate the dose per administration (TID):

119.7 mg/day / 3 doses = 39.9 mg/dose

Set up a proportion:

We want to find the number of milliliters (mL) needed.

We know the desired dose (39.9 mg) and the concentration of the medication (100 mg/5 mL).

Proportion:

x mL / 39.9 mg = 5 mL / 100 mg

Cross-multiply:

100x = 199.5

Solve for x:

x = 199.5 / 100

x ≈ 2

Answer: The child should receive approximately 2 mL of ferrous fumarate oral suspension for each dose.

Correct Answer is ["2"]

Explanation

To calculate the number of tablets needed, we can set up a proportion:

x tablets / 600 mcg = 1 tablet / 300 mcg

Cross-multiplying:

300x = 600

Solving for x:

x = 600 / 300

x = 2

Therefore, the nurse should administer 2 tablets of levothyroxine.

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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.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

An 88 pound child with iron deficiency anemia has been prescribed ferrous fumarate 3 mg/kg/day PO three times daily. The medication is available in oral suspension of 100 mg/5 ml. The nurse is instructing the mother in measuring the correct dose. How many ml should the child receive for each dose?

Correct Answer is ["2"]

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.)

Correct Answer is ["2"]

Explanation

The health-care provider prescribes penicillin 700,000 Units IM daily. The available vial is labeled, Penicillin 500,000 Units/ml. How many milliliters should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)

A client with hypernatremia is to receive an IV infusion of 1000 ml 5% dextrose in water to be infused over 6 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

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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.)

A client returning from surgery has a prescription for an IV of 0.9% sodium chloride to be infused at 250 ml over 3 hours. The nurse should program the infusion pump to deliver how many ml/hour? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

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.)