A nurse is reviewing the use of interferon beta medications for a client diagnosed with multiple sclerosis. Which of the following statements best reflects the nurse's understanding of the appropriate use of interferon beta medications?

Interferon beta medications are indicated for the treatment of acute relapses of multiple sclerosis.

Interferon beta medication may help to reduce the frequency of relapses and slow disease progression in multiple sclerosis.

Interferon beta medications are contraindicated for clients who have multiple sclerosis.

interferon beta medications are only effective in managing symptoms but do not alter the disease course of multiple sclerosis.

Answer and Explanation

The Correct Answer is B

Multiple sclerosis (MS) is a chronic autoimmune demyelinating disorder of the central nervous system characterized by periods of relapse and remission. Disease-modifying therapies are used to reduce inflammatory activity, decrease relapse frequency, and slow long-term neurological deterioration. Interferon beta is one of the first-line treatments for relapsing forms of MS. It works by modulating the immune response to reduce autoimmune attack on myelin.

Rationale:
A. Interferon beta medications are indicated for acute relapses of multiple sclerosis is incorrect because these drugs are not used to treat acute exacerbations. Acute relapses are typically managed with high-dose corticosteroids to rapidly reduce inflammation. Interferon beta is a long-term disease-modifying therapy rather than an acute treatment.

B. Interferon beta medication may help to reduce the frequency of relapses and slow disease progression in multiple sclerosis is correct. It modulates immune system activity, reducing inflammatory attacks on myelin and decreasing the number and severity of relapses. Over time, this can also slow the accumulation of neurological disability associated with MS progression.

C. Interferon beta medications are contraindicated for clients who have multiple sclerosis is incorrect because these drugs are specifically approved for use in relapsing forms of MS. They are commonly prescribed as part of first-line disease-modifying therapy to manage the long-term course of the disease.

D. Interferon beta medications are only effective in managing symptoms but do not alter the disease course of multiple sclerosis is incorrect because these medications are disease-modifying rather than purely symptomatic. They reduce disease activity by decreasing immune-mediated damage to myelin, thereby influencing the progression of MS rather than only relieving symptoms.

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Correct Answer is B

Explanation

ST-segment changes on an electrocardiogram (ECG) are critical indicators of myocardial oxygenation status. ST-segment elevation in two or more contiguous leads is a hallmark finding of acute myocardial infarction, specifically ST-elevation myocardial infarction (STEMI). This reflects complete or near-complete occlusion of a coronary artery, leading to ongoing myocardial ischemia and necrosis. Prompt recognition and rapid intervention are essential to restore perfusion and limit myocardial damage.

Rationale:
A. Stable angina is characterized by transient chest pain that is typically relieved with rest or nitroglycerin and does not produce persistent ECG changes. ST-segment elevation is not a feature of stable angina. Instead, stable angina is associated with reversible myocardial ischemia without permanent tissue damage.

B. ST-segment elevation in two adjoining leads indicates an acute myocardial infarction, specifically a STEMI. This finding reflects transmural ischemia due to complete coronary artery occlusion, leading to myocardial cell death if not rapidly treated. Immediate reperfusion therapy is required to restore blood flow and limit cardiac damage.

C. A first-degree atrioventricular block is characterized by a prolonged PR interval on ECG, not ST-segment elevation. It is generally a benign conduction delay that does not indicate acute myocardial ischemia. Therefore, it is unrelated to the acute presentation described.

D. Recovery from an old myocardial infarction is typically associated with Q-wave changes rather than acute ST-segment elevation. ST elevation suggests an active, ongoing ischemic process rather than a resolved or healed event. Thus, this finding is inconsistent with a past MI recovery phase.

A. Ensure continuous assessment of blood pressure and glucose levels. B. Monitor for signs of bleeding and neurological status following thrombolytic therapy. C. Initiate a comprehensive rehabilitation plan before stabilizing the client's acute condition. D. Administer intravenous alteplase within the appropriate time frame if not contraindicated. E. Educate the client on the importance of balancing nutritional intake without focusing on specific dietary restrictions.

Correct Answer is ["A","B","D"]

Explanation

Ischemic stroke occurs when blood flow to a portion of the brain is obstructed, leading to cerebral ischemia and potential infarction. Rapid assessment and intervention are critical to preserve brain tissue and reduce long-term neurological deficits. Management priorities include stabilizing physiological parameters, identifying eligibility for thrombolytic therapy, and closely monitoring for complications such as hemorrhage or worsening neurological status. Time-sensitive treatment significantly influences patient outcomes.

Rationale:
A. Ensuring continuous assessment of blood pressure and glucose levels is essential because both hypertension and hypoglycemia or hyperglycemia can worsen cerebral injury. Blood pressure must be carefully managed to maintain adequate cerebral perfusion without increasing the risk of hemorrhagic transformation. Glucose levels also affect neuronal recovery and should be tightly controlled during the acute phase of stroke.

B. Monitoring for signs of bleeding and neurological status following thrombolytic therapy is critical because thrombolytics significantly increase the risk of intracranial and systemic hemorrhage. Frequent neurological assessments help detect early deterioration, while monitoring for bleeding ensures timely intervention. This is especially important after administration of fibrinolytic agents.

C. Initiating a comprehensive rehabilitation plan before stabilizing the client's acute condition is not appropriate. Acute management must first focus on stabilizing the client, ensuring airway protection, and restoring cerebral perfusion. Rehabilitation is an important part of recovery but should begin only after the client is medically stable.

D. Administering intravenous alteplase within the appropriate time frame if not contraindicated is a priority intervention for eligible clients with ischemic stroke. Alteplase works by dissolving the thrombus and restoring cerebral blood flow. Timely administration within the therapeutic window is critical to minimize brain damage and improve functional outcomes.

E. Educating the client on the importance of balancing nutritional intake without focusing on specific dietary restrictions is not an acute priority. While nutrition education is important for long-term stroke prevention, immediate management focuses on stabilizing neurological function and preventing complications. Specific dietary modifications are addressed later in the recovery phase.

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A nurse is reviewing the use of interferon beta medications for a client diagnosed with multiple sclerosis. Which of the following statements best reflects the nurse's understanding of the appropriate use of interferon beta medications?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client presents with chest pain and an ECG shows ST-segment elevation in two adjoining leads. What does this indicate regarding the client's condition?

Correct Answer is B

Explanation

In managing a client experiencing an ischemic stroke, which of the following interventions should be prioritized based on the client's presentation and treatment plan? Select three that apply.

Correct Answer is ["A","B","D"]

Explanation

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