respiratory physiology

In which part of the respiratory system does gas exchange with the blood occur?

• 1.       a) Trachea

• b) Bronchi

• C) alveoli

• d) Bronchioles

Which condition is characterized by chronic inflammation of the bronchial tubes, often following a viral respiratory infection?

• 1.      a) Asthma

• b) Chronic obstructive pulmonary disease (COPD)

• c) Bronchitis

• d) Pneumonia

Which respiratory volume represents the maximum amount of air a person can exhale after taking the deepest breath possible?

• a) Inspiratory reserve volume

• b) Tidal volume

• c) Expiratory reserve volume

• d) Vital capacity

Which respiratory center in the brainstem is responsible for controlling the basic rhythm of breathing?

• 1.      a) Medullary respiratory center

• b) Pneumotaxic center

• c) Apneustic center

• d) Hypothalamus

Which respiratory disorder is characterized by inflammation and narrowing of the airways, leading to difficulty in breathing?

• PNEUMONIA

• BRONCHITIS

• EMPHYSEMA

• ASTHAMA

What is the role of surfactant in the alveoli?

• Promotes alveolar collapsee

• Prevents alveolar collapse

• C ) Initiates gas exchange

• d) Increases alveolar pressure

During inspiration, WHICH muscle contracts to increase the volume of the thoracic cavity?