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A nurse is preparing to administer diphenhydramine 40 mg. IM to a client who has allergies. Available is diphenhydramine injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.8"]

Step 1: Set up the proportion:

Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)

Step 2: Substitute the values:

40 mg / Volume = 50 mg/mL

Step 3: Solve for the unknown volume:

Volume = 40 mg / 50 mg/mL

Step 4: Calculate the volume:

Volume = 0.8 mL

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Correct Answer is D

Explanation

A) Offer the medication now to prevent saturation of the perineal pad: This interpretation is incorrect because the prescription specifies that oxytocin should be administered based on the clinical condition, which is the saturation of a perineal pad within 15 minutes. Administering the medication prophylactically without signs of excessive bleeding could be unnecessary and potentially harmful.

B) Give the medication each time the client saturates the perineal pad within 15 min: This interpretation is incorrect because the prescription specifies that oxytocin should be administered only once if the client saturates a perineal pad within 15 minutes, not repeatedly with each subsequent saturation. Repeated dosing of oxytocin could be dangerous, as it can cause uterine hyperstimulation, increased bleeding, and other complications. The prescription indicates a single dose in response to a specific finding.

C) Wait 15 min to administer the medication after the client saturates a perineal pad: This interpretation is incorrect because the prescription directs that the medication be administered immediately once the client saturates a perineal pad within 15 minutes, not after waiting an additional 15 minutes. Delaying the medication could put the client at risk for excessive blood loss or hemorrhage, which is why prompt administration is indicated.

D) Administer the medication once if the client saturates the perineal pad within 15 min: The prescription specifies that oxytocin 10 units IM should be administered as a one-time dose if the client saturates a perineal pad within 15 minutes. The goal of this intervention is to address potential postpartum hemorrhage by promoting uterine contraction, which can help reduce excessive bleeding.

Correct Answer is ["1.5"]

Explanation

Given:

Desired dose of iron dextran: 75 mg

Concentration of iron dextran injection: 50 mg/mL

Step 1: Set up the proportion:

Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)

Step 2: Substitute the values:

75 mg / Volume = 50 mg/mL

Step 3: Solve for the unknown volume:

Volume = 75 mg / 50 mg/mL

Step 4: Calculate the volume:

Volume = 1.5 mL

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A nurse is preparing to administer diphenhydramine 40 mg. IM to a client who has allergies. Available is diphenhydramine injection 50 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who is postpartum and has a prescription for oxytocin 10 units IM one time only the saturation of a perineal pad in 15 mins or less. How should the nurse interpret this prescription?

Correct Answer is D

Explanation

Correct Answer is ["1.5"]

Explanation

A nurse is assisting with the care of a newborn and is preparing to administer phytonadione 0.5 mg IM. Available is phytonadione injection 1 mg/0.5 mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is preparing to administer ibuprofen 20 m, PO to a newborn. Available is ibuprofen drops SO mg/1.25 mL How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies Do not use a trailing zero)

A nurse is reviewing a client's prescription for terbutaline 0.25 mg subcutaneous every 4 hr for 24 hr PRN more than four uterine contractions per hour. How should the nurse interpret this prescription?