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Questions and Answers
What is the primary function of Type 2 alveolar cells?
What is the primary function of Type 2 alveolar cells?
- Aiding in the contraction of the diaphragm
- Removing dust particles from the lungs
- Allowing for rapid gas exchange
- Repairing the alveolar epithelium and secreting pulmonary surfactant (correct)
What happens to the internal pressure of the lungs when the lung volume increases?
What happens to the internal pressure of the lungs when the lung volume increases?
- It becomes zero
- It decreases (correct)
- It remains constant
- It increases
What is the main function of alveolar macrophages?
What is the main function of alveolar macrophages?
- Removing dust particles from the lungs (correct)
- Secreting pulmonary surfactant
- Aiding in gas exchange
- Contracting the diaphragm
What is the Valsalva maneuver used for?
What is the Valsalva maneuver used for?
What is the relevance of Henry's law to lung function?
What is the relevance of Henry's law to lung function?
What happens when intrapulmonary pressure rises above atmospheric pressure?
What happens when intrapulmonary pressure rises above atmospheric pressure?
What is the purpose of measuring pulmonary ventilation using a spirometer?
What is the purpose of measuring pulmonary ventilation using a spirometer?
What is the term for the total amount of air that can be inhaled and exhaled with maximum effort?
What is the term for the total amount of air that can be inhaled and exhaled with maximum effort?
What must happen for oxygen to get into the blood from the air?
What must happen for oxygen to get into the blood from the air?
What is the term for the volume of air remaining in the lungs after maximum expiration?
What is the term for the volume of air remaining in the lungs after maximum expiration?
What is the primary way that CO2 is transported in the blood?
What is the primary way that CO2 is transported in the blood?
What is the effect of hyperventilation on blood pH?
What is the effect of hyperventilation on blood pH?
What is the name of the condition where there is a deficiency of O2 or the inability to use O2?
What is the name of the condition where there is a deficiency of O2 or the inability to use O2?
What is the effect of carbon monoxide on hemoglobin?
What is the effect of carbon monoxide on hemoglobin?
What is the most potent stimulus for breathing?
What is the most potent stimulus for breathing?
What is the primary function of the pleurae?
What is the primary function of the pleurae?
During quiet respiration, which muscle is the primary mover of pulmonary airflow?
During quiet respiration, which muscle is the primary mover of pulmonary airflow?
What is the term for the space between the visceral and parietal layers of the pleurae?
What is the term for the space between the visceral and parietal layers of the pleurae?
What is the result of an infection of the pleurae?
What is the result of an infection of the pleurae?
What is the term for the complete process of breathing in and out?
What is the term for the complete process of breathing in and out?
What is a potential outcome of breathing in pure oxygen?
What is a potential outcome of breathing in pure oxygen?
What is a characteristic of emphysema?
What is a characteristic of emphysema?
What is a common association with chronic obstructive pulmonary disease (COPD)?
What is a common association with chronic obstructive pulmonary disease (COPD)?
What is the most common type of lung cancer?
What is the most common type of lung cancer?
What is a consequence of nicotine in COPD?
What is a consequence of nicotine in COPD?
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