A client with type II diabetes is scheduled to have a computed tomography (CT) scan with IV contrast of the brain to rule out a brain tumor. What health teaching would the nurse include?
Your provider will obtain a signed consent from you prior to the completion of the CT scan.

You’ll need to let your doctor know if you have seafood allergies.

Do not take your scheduled dose of Metformin 500 mg PO.

The procedure will be done at the bedside.

Take your Metformin as usual before the test.

Answer and Explanation

The Correct Answer is B

Title: Choice A Reason:

Patients with seafood allergies may have a higher risk of allergic reactions to iodinated contrast media used in CT scans. However, this is not a definitive contraindication. The nurse should inform the patient to notify their healthcare provider about any known allergies, including seafood, as a precautionary measure. This allows the healthcare team to take necessary steps to prevent any adverse reactions, such as premedication with antihistamines or corticosteroids.

Title: Choice B Reason:

Metformin is a common medication used to manage type II diabetes. When a patient is scheduled for a CT scan with IV contrast, it is crucial to withhold Metformin before the procedure. This is because the combination of Metformin and iodinated contrast can increase the risk of contrast-induced nephropathy (CIN) and lactic acidosis, a rare but serious condition. The general recommendation is to stop Metformin at the time of or prior to the procedure and withhold it for 48 hours after the procedure, resuming only after renal function has been re-evaluated and found to be normal.

Title: Choice C Reason:

CT scans, especially those requiring IV contrast, are typically performed in a radiology suite equipped with the necessary technology and medical personnel. Performing such a procedure at the bedside is uncommon and not standard practice due to the need for specialized equipment and immediate access to emergency care in case of adverse reactions. Therefore, this statement is incorrect.

Title: Choice D Reason:

Taking Metformin as usual before the test is not recommended due to the risk of lactic acidosis when combined with iodinated contrast. As previously mentioned, Metformin should be withheld before and after the procedure until renal function is confirmed to be normal. This precaution helps to prevent any potential complications associated with the interaction between Metformin and the contrast agent.

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Correct Answer is D

Explanation

Choice A Reason:

A pulse of 86 beats per minute is within the normal range for adults (60-100 beats per minute) and does not typically indicate a postoperative complication. While it is important to monitor vital signs, this pulse rate alone is not concerning unless accompanied by other abnormal findings.

Choice B Reason:

Hypoactive bowel sounds in all four quadrants can occur after surgery due to the effects of anesthesia and the surgical procedure itself. While it is important to monitor bowel sounds, hypoactivity is not immediately concerning unless it persists or is accompanied by other symptoms such as abdominal pain or distention. Therefore, this finding alone does not indicate an evolving complication.

Choice C Reason:

A blood pressure of 110/70 mm Hg is within the normal range for adults and does not typically indicate a postoperative complication. Blood pressure should be monitored regularly, but this reading alone is not concerning unless there are significant changes or other abnormal findings.

Choice D Reason:

Increasing restlessness is a concerning sign in the immediate postoperative period. It can indicate several potential complications, including pain, hypoxia, or the onset of delirium. Restlessness may also be an early sign of shock or other serious conditions that require prompt intervention. Therefore, this symptom warrants further assessment and immediate attention to determine the underlying cause and provide appropriate treatment.

A. Assess the client’s oxygen saturation and, if normal, turn off the oxygen. B. Have the client lift the mask off the face when taking bites of food. C. Turn the oxygen off while the client eats the meal and then restart it. D. Determine if the client can switch to a nasal cannula during the meal

Correct Answer is D

Explanation

Choice A Reason:

Assess the client’s oxygen saturation and, if normal, turn off the oxygen. This option is not ideal because turning off the oxygen completely can lead to a rapid drop in oxygen saturation levels, especially in patients who require continuous oxygen therapy. Monitoring oxygen saturation is crucial, but turning off the oxygen is not recommended unless specifically advised by a healthcare provider. Normal oxygen saturation levels typically range from 95% to 100%1. If the levels drop below 90%, it can lead to hypoxemia, which can cause serious complications.

Choice B Reason:

Have the client lift the mask off the face when taking bites of food. This option is also not ideal because it can be cumbersome for the client and may lead to inconsistent oxygen delivery. The Venturi mask is designed to provide a precise concentration of oxygen, and lifting it off repeatedly can disrupt this consistency. Additionally, it can be uncomfortable and impractical for the client to manage the mask while eating.

Choice C Reason:

Turn the oxygen off while the client eats the meal and then restart it. This option is not recommended for similar reasons as Choice A. Turning off the oxygen can lead to a significant drop in oxygen saturation levels, which can be dangerous for the client. Continuous oxygen therapy is essential for maintaining adequate oxygen levels in patients who require it. Interrupting this therapy, even temporarily, can have adverse effects on the client’s health.

Choice D Reason:

Determine if the client can switch to a nasal cannula during the meal. This is the best option because a nasal cannula allows the client to receive continuous oxygen while eating. The nasal cannula is less obtrusive and more comfortable for the client, enabling them to eat without significant interruption to their oxygen therapy. Nasal cannulas are commonly used for patients who need supplemental oxygen but also need to perform activities such as eating and talking. This approach ensures that the client maintains adequate oxygen levels while having their meal.

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A client with type II diabetes is scheduled to have a computed tomography (CT) scan with IV contrast of the brain to rule out a brain tumor. What health teaching would the nurse include?Your provider will obtain a signed consent from you prior to the completion of the CT scan.

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Correct Answer is D

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Correct Answer is D

Explanation

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A client with type II diabetes is scheduled to have a computed tomography (CT) scan with IV contrast of the brain to rule out a brain tumor. What health teaching would the nurse include?
Your provider will obtain a signed consent from you prior to the completion of the CT scan.