18 Questions
What is the most common cause of COPD?
Cigarette smoking
Which enzyme is increased due to cigarette smoking and contributes to the breakdown of elastin in alveoli and small airways?
Proteases
How does chronic bronchitis contribute to the course of COPD?
By increasing mucous production and obstruction of airways
Which genetic/environmental factor is associated with an underrecognized risk for COPD due to its role in preventing increased levels of proteases?
AAT deficiency
What is the main consequence of air trapping in the lungs in COPD?
Increased infection risk
What is the primary reason for the ‘air hunger’ experienced by COPD patients?
Increased demand for oxygen due to muscle use
What is the risk of developing COPD in a person who inherits 1 faulty gene and smokes?
High risk of COPD
What lab test may be used to rule out infections in a patient with suspected COPD?
Complete Blood Count (CBC)
What is a compensatory mechanism for hypoxemia seen in COPD patients?
Elevated RBCs (polycythemia)
What imaging test may show hyperinflation and a flattened diaphragm in a patient with COPD?
Chest X-ray
Which medication class is NOT commonly used in the treatment of COPD?
Antibiotics
What is the recommended oxygen therapy range for hypoxic COPD patients?
$2-4L/min or 40% venturi mask$
How should the patient be positioned to aid effective coughing in COPD?
$Sitting upright$
What is a goal for a patient with COPD in terms of maintaining gas exchange?
$Maintains cognitive orientation$
What complication may lead to hospitalizations in patients with COPD?
$Respiratory infection/failure$
What should be monitored in a patient with COPD to assess drug therapy effectiveness?
Peak expiratory flow rates
Which dietary recommendation is appropriate for a patient with COPD?
High protein, high calorie diet
What is the primary complication responsible for ineffective management of hypoxia in patients with COPD?
Hypoventilation
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