A nurse is examining an overweight elderly man and notices cyanosis and clubbing of the fingers. The nurse suspects _____ and requests a _____.
hypertension; vision test
left heart failure; b-type natriuretic peptide (BNP)
aspiration pneumonia; arterial blood gas (ABG)
chronic bronchitis; peak flow
The Correct Answer is D
A. Hypertension may contribute to cardiovascular issues, but it does not typically cause cyanosis or clubbing.
B. Left heart failure often leads to symptoms like dyspnea and fluid retention but does not commonly cause clubbing of the fingers.
C. Aspiration pneumonia may cause respiratory symptoms, but clubbing is more associated with chronic hypoxia, seen in conditions like chronic bronchitis.
D. Chronic bronchitis, often seen in chronic obstructive pulmonary disease (COPD), can cause long-term hypoxia, leading to cyanosis and clubbing of the fingers. A peak flow test can assess respiratory function and airflow limitations associated with chronic bronchitis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Nosocomial (hospital-acquired) pneumonia is common in post-surgical patients, particularly those with atelectasis, as diminished ventilation can lead to infection. The green sputum and fever are signs of infection.
B. Lung tissue atelectasis may predispose a patient to pneumonia, but community-acquired pneumonia is less likely in a hospitalized patient, and the green sputum is more indicative of nosocomial infection.
C. Pulmonary edema is associated with fluid in the lungs but does not typically cause green sputum or elevated temperature, which suggest infection.
D. Left heart failure may lead to pulmonary edema but is not associated with green sputum or fever.
Correct Answer is B
Explanation
A. Creatine kinase is an enzyme released when muscle tissue is damaged, often used in diagnosing muscle injuries or heart attacks, not coronary artery disease risk.
B. Elevated homocysteine levels are associated with an increased risk for coronary artery disease as it can damage the blood vessel walls and promote clot formation.
C. High levels of serum high-density lipoproteins (HDL) are protective against coronary artery disease, not a risk factor.
D. Serum potassium is important for cardiovascular health, but it does not directly correlate with coronary artery disease risk.
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