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Questions and Answers
What is the primary mechanism of gas exchange in the lungs?
What is the primary mechanism of gas exchange in the lungs?
- Osmosis
- Facilitated diffusion
- Diffusion (correct)
- Active transport
A patient with chronic obstructive pulmonary disease (COPD) undergoes lung function testing. Which of the following results would be expected?
A patient with chronic obstructive pulmonary disease (COPD) undergoes lung function testing. Which of the following results would be expected?
- Increased forced expiratory volume (FEV1)
- Decreased forced vital capacity (FVC)
- Increased residual volume (RV) (correct)
- Decreased total lung capacity (TLC)
A patient with asthma undergoes arterial blood gas measurement. What would be expected in an acute asthma attack?
A patient with asthma undergoes arterial blood gas measurement. What would be expected in an acute asthma attack?
- Metabolic alkalosis
- Respiratory alkalosis
- Respiratory acidosis (correct)
- Metabolic acidosis
What is the primary characteristic of obstructive lung disease?
What is the primary characteristic of obstructive lung disease?
A patient with chronic bronchitis undergoes lung function testing. Which of the following results would be expected?
A patient with chronic bronchitis undergoes lung function testing. Which of the following results would be expected?
What is tachypnea characterized by?
What is tachypnea characterized by?
In lung function testing, what does FEV1 measure?
In lung function testing, what does FEV1 measure?
What is a characteristic of obstructive lung diseases?
What is a characteristic of obstructive lung diseases?
What is the term for a condition where there is too much carbon dioxide in the blood?
What is the term for a condition where there is too much carbon dioxide in the blood?
What is the term for difficulty breathing, often experienced by patients with obstructive lung diseases?
What is the term for difficulty breathing, often experienced by patients with obstructive lung diseases?
What is the primary function of the diaphragm during inspiration?
What is the primary function of the diaphragm during inspiration?
Which of the following would be expected in a patient with respiratory acidosis?
Which of the following would be expected in a patient with respiratory acidosis?
What is the primary characteristic of conducting airways?
What is the primary characteristic of conducting airways?
What is the term for the ability of the lungs to stretch and expand?
What is the term for the ability of the lungs to stretch and expand?
What is the primary function of surfactant in the alveoli?
What is the primary function of surfactant in the alveoli?
What is the primary function of bronchodilators?
What is the primary function of bronchodilators?
What is the main risk factor for developing COPD?
What is the main risk factor for developing COPD?
What is chronic bronchitis characterized by?
What is chronic bronchitis characterized by?
What is the term for the constriction of airway muscle, increasing airway resistance?
What is the term for the constriction of airway muscle, increasing airway resistance?
What is the primary function of inhaled corticosteroids?
What is the primary function of inhaled corticosteroids?
What is the term for progressive dyspnea, cough, wheezing, weight loss, finger clubbing, and cyanosis?
What is the term for progressive dyspnea, cough, wheezing, weight loss, finger clubbing, and cyanosis?
What is the effect of adrenaline on airway muscle?
What is the effect of adrenaline on airway muscle?
What is the term for the resistance to airflow in the airways?
What is the term for the resistance to airflow in the airways?
What is the primary characteristic of chronic obstructive pulmonary disease (COPD)?
What is the primary characteristic of chronic obstructive pulmonary disease (COPD)?
What is the primary purpose of measuring forced vital capacity (FVC) in pulmonary function tests?
What is the primary purpose of measuring forced vital capacity (FVC) in pulmonary function tests?
A patient with respiratory acidosis is likely to have which of the following blood gas measurements?
A patient with respiratory acidosis is likely to have which of the following blood gas measurements?
What is the significance of a low O2 saturation level in arterial blood gas measurements?
What is the significance of a low O2 saturation level in arterial blood gas measurements?
Which of the following pulmonary function tests is used to measure lung volumes?
Which of the following pulmonary function tests is used to measure lung volumes?
In chronic bronchitis, what is the primary mechanism leading to hypoventilation and increased CO2 retention?
In chronic bronchitis, what is the primary mechanism leading to hypoventilation and increased CO2 retention?
Which of the following is a consequence of airway obstruction, V/Q mismatch, and pulmonary capillary vasoconstriction?
Which of the following is a consequence of airway obstruction, V/Q mismatch, and pulmonary capillary vasoconstriction?
In emphysema, what is the primary mechanism leading to functional obstruction?
In emphysema, what is the primary mechanism leading to functional obstruction?
What is the primary mechanism by which smoking directly contributes to the pathogenesis of chronic bronchitis?
What is the primary mechanism by which smoking directly contributes to the pathogenesis of chronic bronchitis?
In chronic bronchitis, what is the consequence of chronic hypercapnia?
In chronic bronchitis, what is the consequence of chronic hypercapnia?
What is the characteristic pulmonary function test result in patients with emphysema?
What is the characteristic pulmonary function test result in patients with emphysema?
What is the typical arterial blood gas finding in patients with COPD at rest?
What is the typical arterial blood gas finding in patients with COPD at rest?
What is the primary mechanism of mucous obstruction in cystic fibrosis?
What is the primary mechanism of mucous obstruction in cystic fibrosis?
What is the characteristic lung finding in patients with emphysema?
What is the characteristic lung finding in patients with emphysema?
Which of the following is a therapeutic approach for cystic fibrosis?
Which of the following is a therapeutic approach for cystic fibrosis?
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