A nurse is assessing a client who has restrictive cardiomyopathy (RCM). Which of the following statements should the nurse cue in the client?

Thickening of the walls of the ventricles.

Stretching of the ventricles.

Thickening of the ventricular walls and septum.

When the ventricular tissue becomes fibrous and fatty.

Answer and Explanation

The Correct Answer is D

Choice A reason:

Thickening of the walls of the ventricles is not typically associated with restrictive cardiomyopathy (RCM). This condition is more characteristic of hypertrophic cardiomyopathy (HCM), where the heart muscle becomes abnormally thick, making it harder for the heart to pump blood. In RCM, the walls of the ventricles are usually not thickened but become rigid due to fibrosis or infiltration, which restricts the heart’s ability to fill with blood during diastole.

Choice B reason:

Stretching of the ventricles is more commonly seen in dilated cardiomyopathy (DCM), not restrictive cardiomyopathy. In DCM, the heart’s ventricles become enlarged and weakened, which impairs the heart’s ability to pump blood efficiently. RCM, on the other hand, involves stiffening of the ventricular walls without significant dilation.

Choice C reason:

Thickening of the ventricular walls and septum is a hallmark of hypertrophic cardiomyopathy (HCM), not restrictive cardiomyopathy. In HCM, the thickened walls can obstruct blood flow and lead to various complications. RCM is characterized by the stiffening of the ventricular walls due to fibrosis or infiltration, which restricts diastolic filling.

Choice D reason:

When the ventricular tissue becomes fibrous and fatty is the correct description of restrictive cardiomyopathy (RCM). In RCM, the heart’s ventricles become stiff and less elastic due to fibrosis (scarring) or infiltration by abnormal substances, such as amyloid proteins. This rigidity impairs the heart’s ability to fill properly during diastole, leading to symptoms of heart failure

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Correct Answer is ["D"]

Explanation

Choice A Reason:

A urine specific gravity of 1.010 falls within the normal range of 1.005 to 1.0301. This value does not indicate hyponatremia. In SIADH, urine is often more concentrated due to the retention of water, leading to higher specific gravity values.

Choice B Reason:

Respiratory alkalosis is not a typical manifestation of hyponatremia. It is usually associated with conditions that cause hyperventilation, such as anxiety or high altitude. SIADH typically does not cause respiratory alkalosis.

Choice C Reason:

Diarrhea is not a direct manifestation of hyponatremia. While diarrhea can lead to electrolyte imbalances, including hyponatremia, it is not a symptom caused by SIADH5. SIADH leads to water retention and dilutional hyponatremia, not diarrhea.

Choice D Reason:

Diminished reflexes are a manifestation of hyponatremia. Low sodium levels affect neuromuscular function, leading to symptoms such as muscle weakness, cramps, and diminished reflexes7. This is a direct result of the electrolyte imbalance caused by SIADH.

A. Take this medication with high-protein foods. B. Take this medication with a full glass of water or fruit juice. C. Take this medication before a meal or several hours after a meal. D. Take this medication during your morning meal.

Correct Answer is C

Explanation

Choice A Reason:

Taking levothyroxine with high-protein foods can interfere with the absorption of the medication. High-protein foods can bind to the medication, reducing its effectiveness. Therefore, it is not recommended to take levothyroxine with high-protein foods.

Choice B Reason:

While it is important to take levothyroxine with a full glass of water to ensure the tablet is swallowed properly and to aid in its absorption, taking it with fruit juice is not recommended. Certain juices, like grapefruit juice, can interfere with the absorption of levothyroxine.

Choice C Reason:

Levothyroxine should be taken on an empty stomach, ideally 30 to 60 minutes before breakfast or at least 3 to 4 hours after the last meal. This timing helps ensure optimal absorption of the medication. Food can significantly reduce the absorption of levothyroxine, making it less effective.

Choice D Reason:

Taking levothyroxine during a meal is not recommended because food can interfere with the absorption of the medication. It is best to take it on an empty stomach to ensure maximum absorption and effectiveness.

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A nurse is assessing a client who has restrictive cardiomyopathy (RCM). Which of the following statements should the nurse cue in the client?

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