A nurse is completing discharge teaching with a client who has a peripherally inserted central catheter (PICC) line in the left arm.

Which of the following instructions should the nurse include in the teaching?

Clean the insertion site using 20 mL of hydrogen peroxide.

Change the catheter dressing daily.

Use a 10-mL syringe to flush the line.

Do not elevate the arm above the level of the heart.

Answer and Explanation

The Correct Answer is C

A 10-mL syringe is the minimum size that should be used to flush a PICC line to prevent damage to the catheter.
Choice A, Clean the insertion site using 20 mL of hydrogen peroxide, is not the correct answer because hydrogen peroxide should not be used to clean the insertion site of a PICC line.
Choice B, Changing the catheter dressing daily, is not the correct answer because the catheter dressing should be changed every 3 to 7 days or as directed by a healthcare provider.
Choice D, Do not elevate the arm above the level of the heart, is not the correct answer because there is no restriction on elevating the arm above the level of the heart with a PICC line.

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Correct Answer is C

Explanation

Metformin should be withheld for a minimum of 48 hours after the procedure.

This is because metformin can increase the risk of contrast-induced acute kidney injury (CI-AKI) when undergoing contrast imaging.
Choice A, Clopidogrel, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.
Choice B, Furosemide, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.
Choice D, Carvedilol, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.

A. Prolonged PR intervals. B. Nondiscernible P waves. C. More P waves than QRS complexes. D. No correlation between P and QRS waves.

Correct Answer is A

Explanation

First-degree heart block is a type of atrioventricular (AV) block that involves the consistent prolongation of the PR interval (defined as >0.20 seconds) due to delayed conduction via the atrioventricular node.
This is seen on an ECG as a PR interval greater than 200 ms in length.
Choice B: Nondiscernible P waves are not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.
Choice C: More P waves than QRS complexes is not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.
Choice D: No correlation between P and QRS waves is not an answer because it is not mentioned as a characteristic of first-degree heart block in my sources.

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A nurse is completing discharge teaching with a client who has a peripherally inserted central catheter (PICC) line in the left arm. Which of the following instructions should the nurse include in the teaching?

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A nurse is completing discharge teaching with a client who has a peripherally inserted central catheter (PICC) line in the left arm.

Which of the following instructions should the nurse include in the teaching?