34 Questions
Which structure in the respiratory system contains the vocal folds?
Larynx
What is the main site of gas exchange in the respiratory system?
Alveoli
Which zone of the respiratory system is driven by pressure gradients for gas movement?
Conducting zone
Which structure in the respiratory system lacks cartilage but is surrounded by smooth muscle?
Bronchioles
Which structure in the respiratory system is closely associated with pulmonary microvasculature?
Alveoli
Which muscles are involved in changing the volume of the thoracic cavity during breathing?
All of the above
What is the volume of the conducting airways from the nasopharynx to the terminal bronchiole?
150 mL
Which zone of the respiratory system is driven by concentration gradients for gas movement?
Exchange zone
What is the volume of the lung after a quiet inspiration?
3 L
Which structures in the respiratory system occupy the majority of the lung volume?
Alveoli
Which muscles are primarily responsible for inspiration during breathing?
External intercostals and diaphragm
What is the role of the pleural cavity in connecting the chest wall and lungs?
It connects the chest wall to the alveoli
During inspiration, what happens to the intrathoracic pressure?
It decreases
Which lobe of the lung is located deep to the posterior thorax?
Inferior lobe
What is the consequence of pleural effusion?
Dullness to percussion
What muscles primarily relax during expiration?
External intercostals and diaphragm
What happens to the intrathoracic pressure during expiration?
It increases
What is the role of the nasal cavity in the respiratory system?
Warming and moistening of air
Which of these makes it difficult to hear breath sounds and causes dullness to percussion?
Pleural effusion and Consolidation
Which one of these is a consequence of pulmonary disease that results in the transmission of sound better than air in the airspaces?
Consolidation
Which one of these is a consequence of pulmonary disease that is characterized by coarse crackles and decreased breath sounds?
Consolidation
Which one of these is a consequence of pulmonary disease that is commonly caused by pneumonia and chronic obstructive pulmonary disease?
Consolidation
Which one of these is a consequence of pulmonary disease that is characterized by fine crackles and is common with pulmonary edema due to infection or congestive heart failure?
Fluid in small airways
Which one of these is a consequence of asthma, COPD, and pulmonary edema?
Wheeze
Which one of these is a consequence of pulmonary disease that is characterized by a louder, harsher sound on inspiration and sometimes on expiration, and occurs when the upper airways are obstructed?
Stridor
Which one of these is a consequence of pulmonary disease that is characterized by a high-pitched, musical sound on expiration, and is common in obstructive diseases like asthma and COPD?
Wheeze
Which one of these is a consequence of pulmonary disease that is commonly caused by congestion due to heart failure or bilateral infection and inflammation?
Pleural effusion
Which one of these makes it difficult for the airspaces to expand?
Pleural effusion
Causes of unilateral pleural effusion include..
Cancer
COPD is most commonly associated with..
Consolidation
Asthma is most commonly associated with..
Wheeze
If someone has a foreign body blocking their upper airways, you're most likely to hear..
Stridor
Lil Wheezy is a rap artist who's known for his musical breathing. Which of the following diseases does Lil wheezy have?
All of the above
Bronchophony is most commonly associated with..
Consolidation
Test your knowledge of the structures of the respiratory system with this quiz. Learn about the nasal cavity, nasopharynx, larynx, trachea, and bronchi. Perfect for students studying clinical physiology or anyone interested in understanding the fundamental basis of lung function.
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