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A nurse is preparing to administer procaine penicillin G 800000units IM to a client who has a gonococcal infection. Available is procaine penicillin G suspension for injection 600.000 units/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 ["1.3"]

Given:

Desired dose of procaine penicillin: 800,000 units

Concentration of procaine penicillin suspension: 600,000 units/mL

 

Step 1: Set up the proportion:

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

 

Step 2: Substitute the values:

800,000 units / Volume = 600,000 units/mL


 

Step 3: Solve for the unknown volume:

Volume = 800,000 units / 600,000 units/mL

 

Step 4: Calculate the volume:

Volume = 1.333333333 mL

 

Step 5: Round to the nearest tenth:

Volume ≈ 1.3 mL


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Related Questions

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 ["0.6"]

Explanation

Given:

Desired dose of ampicillin: 150 mg

Concentration of ampicillin injection: 250 mg/mL

Step 1: Set up the proportion:

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

Step 2: Substitute the values:

150 mg / Volume = 250 mg/mL

Step 3: Solve for the unknown volume:

Volume = 150 mg / 250 mg/mL

Step 4: Calculate the volume:

Volume = 0.6 mL

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