What is the trigger for angina pectoris?
Atherosclerotic lesion
Myocardial necrosis
Myocardial ischemia
Hyperlipidemia
The Correct Answer is C
A. Atherosclerotic lesion: An atherosclerotic lesion can lead to reduced blood flow to the myocardium, but it is not the direct trigger for angina pectoris. Rather, it is a contributing factor to the development of conditions that cause angina.
B. Myocardial necrosis: Myocardial necrosis refers to irreversible cell damage due to prolonged ischemia, such as in a myocardial infarction. This is not a trigger for angina pectoris but rather a consequence of severe and prolonged ischemia.
C. Myocardial ischemia: Myocardial ischemia is the primary trigger for angina pectoris. It occurs when there is an imbalance between the oxygen supply and demand in the heart muscle, typically due to narrowed coronary arteries. This insufficient blood flow results in chest pain or discomfort characteristic of angina.
D. Hyperlipidemia: Hyperlipidemia is a risk factor for atherosclerosis and subsequent coronary artery disease but does not directly trigger angina pectoris. It contributes to the underlying processes that lead to myocardial ischemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Pneumonia: Pneumonia is a common cause of acute respiratory distress syndrome (ARDS) and is associated with significant inflammation and alveolar damage. Assessing for pneumonia is a priority as it can exacerbate ARDS and lead to further respiratory compromise. Early identification and treatment of pneumonia can significantly improve the patient's outcome.
B. Heart failure: While heart failure can contribute to respiratory distress, ARDS is primarily a non-cardiogenic condition. Assessing for heart failure is important, but pneumonia is more directly linked to the development of ARDS and should be prioritized.
C. Pulmonary emboli: Although pulmonary embolism can cause acute respiratory distress, it is not the primary concern when dealing with ARDS. Assessing for embolism is important, but pneumonia is a more common and immediate concern in the context of ARDS.
D. Acute pulmonary edema: Acute pulmonary edema is usually associated with cardiac issues and is not the underlying cause of ARDS. While monitoring for pulmonary edema is necessary, pneumonia is the more relevant condition to assess in a patient diagnosed with ARDS.
Correct Answer is A
Explanation
A. We will have to drain the pus out of your pleural space: An empyema is characterized by the accumulation of pus in the pleural space, typically due to infection or inflammation. The primary treatment often involves draining the infected fluid to relieve symptoms and treat the underlying infection, making this statement accurate and appropriate for the patient.
B. These blebs in your lungs can rupture with exercise: This statement is not applicable to empyema. Blebs are associated with conditions like pulmonary bullae or emphysema, not empyema. Empyema specifically refers to pus in the pleural space, not blebs in the lungs.
C. You will be given a long course of antiviral medication: Antiviral medication is not typically indicated for empyema, as it is often caused by bacterial infections. Treatment usually involves antibiotics and drainage rather than antiviral therapy.
D. We will watch you for respiratory muscle fatigue: While monitoring for respiratory status is important in any patient with empyema, this statement does not specifically address the nature of empyema or its treatment. The focus should be on managing the infection and drainage of the pleural space.
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