Exploring the Lower Respiratory Tract

What is the primary function of the alveoli in the lungs?

• To filter out dust and particles

• To facilitate gas exchange

• To produce mucus

• To support the trachea

Which part of the respiratory system is responsible for warming and humidifying the air we breathe?

• Alveoli

• Bronchi

• Nasal cavity

• Diaphragm

What is the main muscle involved in the process of inhalation?

• Intercostal muscles

• Diaphragm

• Abdominal muscles

• Pectoral muscles

Which disease is characterized by the inflammation of the bronchi?

• Asthma

• Bronchitis

• Pneumonia

• Tuberculosis

What is the primary gas exchanged for oxygen in the lungs?

• Nitrogen

• Carbon dioxide

• Helium

• Argon

Which structure in the bronchial tree directly leads to the alveoli?

• Trachea

• Bronchioles

• Primary bronchi

• Larynx

What is the role of hemoglobin in the respiratory system?

• To transport oxygen

• To produce carbon dioxide

• To filter air

• To humidify air

Which part of the lung is primarily responsible for the exchange of gases?

• Bronchi

• Alveoli

• Pleura

• Trachea

What is the function of the pleura in the respiratory system?

• To produce mucus

• To protect the lungs and reduce friction

• To filter air

• To exchange gases

Which of the following is a common symptom of asthma?

• High fever

• Shortness of breath

• Skin rash

• Joint pain