A nurse is teaching a patient diagnosed with emphysema to use the pursed-lip method of breathing. The purpose of this method of breathing is to promote

oxygen intake

strengthening of the diaphragm and intercostal muscles

carbon dioxide elimination

mucus removal

Answer and Explanation

The Correct Answer is C

A. Although pursed-lip breathing may indirectly aid oxygen intake by preventing airway collapse, its primary benefit is to help with carbon dioxide removal.

B. Pursed-lip breathing does not directly strengthen respiratory muscles; it primarily helps with breath control.

C. In emphysema, air trapping occurs due to loss of lung elasticity. Pursed-lip breathing helps slow exhalation, which creates back pressure and assists in expelling trapped carbon dioxide.

D. Mucus removal is more effectively facilitated by other techniques like controlled coughing; pursed-lip breathing focuses on prolonged exhalation.

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Correct Answer is A

Explanation

A. Stable angina is characterized by chest pain or discomfort that occurs with physical exertion or stress and is relieved with rest or nitroglycerin.

B. Pulmonary embolus typically causes sudden shortness of breath, chest pain, and possible hemoptysis, but not a pattern that resolves with rest or cessation of activity.

C. Myocardial infarction (MI) typically causes prolonged chest pain that does not resolve quickly and is not relieved by rest.

D. Unstable angina is more severe than stable angina, occurring at rest or with minimal activity, and does not resolve quickly. It also increases in frequency and intensity over time.

A. aortic atherosclerosis & mitral insufficiency. B. aortic valve stenosis & left heart failure. C. bronchogenic cancer & diaphoresis. D. pulmonic valve stenosis & right heart failure.

Correct Answer is D

Explanation

A. Aortic atherosclerosis and mitral insufficiency could lead to some symptoms of congestion but would not fully explain jugular venous distension and liver congestion.

B. Aortic valve stenosis and left heart failure primarily affect left-sided heart function, which typically does not present with jugular venous distension or peripheral edema.

C. Bronchogenic cancer and diaphoresis do not explain the cardiovascular symptoms present in this case.

D. Pulmonic valve stenosis can lead to right heart failure, causing systemic venous congestion, which results in JVD, liver congestion, ascites, and ankle edema, thus accounting for all aspects of the patient's presentation.

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A nurse is teaching a patient diagnosed with emphysema to use the pursed-lip method of breathing. The purpose of this method of breathing is to promote

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Naxlex Comprehensive Predictor Exams

While speaking to his neighbor about his recent health problems, a man describes his pain as "tightness across his chest which worsens with strenuous activity but completely goes away when the activity is stopped." He most likely received a diagnosis of

Correct Answer is A

Explanation

A woman presents to a clinic with JVD (jugular venous distension), liver congestion, ascites, and ankle edema. Upon auscultation of her heart, the RN notes a murmur. The etiologies that would best account for all aspects of this patient picture are

Correct Answer is D

Explanation

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A nurse is teaching a patient diagnosed with emphysema to use the pursed-lip method of breathing. The purpose of this method of breathing is to promote

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