A patient is diagnosed with a pneumothorax and asks you to explain this condition. What will you say that is most accurate?
Pus in the pleural space
Collapse of small airways
Blood in the chest cavity
Air in the pleural space
The Correct Answer is D
A. Pus in the pleural space: This describes empyema, a condition in which infection leads to pus accumulation in the pleural space. Empyema is commonly associated with bacterial pneumonia, lung abscess, or thoracic surgery and requires drainage and antibiotic therapy. It does not cause the lung collapse seen in pneumothorax.
B. Collapse of small airways: While airway collapse can occur in conditions like bronchiolitis or atelectasis, it is not the defining feature of pneumothorax. Pneumothorax specifically involves air leaking into the pleural space, which disrupts the negative pressure necessary for lung expansion and results in partial or complete lung collapse.
C. Blood in the chest cavity: This describes hemothorax, a condition in which blood accumulates in the pleural space due to trauma, ruptured blood vessels, or certain medical conditions. Unlike pneumothorax, which involves air in the pleural space, hemothorax requires different management, including drainage with a chest tube and possible fluid resuscitation.
D. Air in the pleural space: Pneumothorax occurs when air enters the pleural space, causing a loss of negative pressure and leading to lung collapse. This can result from chest trauma, spontaneous rupture of alveoli, underlying lung disease, or mechanical ventilation. Symptoms may include sudden chest pain, dyspnea, and decreased breath sounds on the affected side.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
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.
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.
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