Respiratory System Anatomy and Function Quiz

Test your knowledge of respiratory physiology with 15 questions covering gas exchange, lung function, and respiratory disorders.

#1

Which structure is responsible for gas exchange in the lungs?

Bronchi
Alveoli
Trachea
Bronchioles
#2

Which of the following is not a function of the respiratory system?

Gas exchange
Blood circulation
Sound production
Olfaction
#3

Which gas is the primary constituent of the air we exhale?

Oxygen
Carbon dioxide
Nitrogen
Helium
#4

Which respiratory disorder is characterized by destruction of the alveolar walls?

Asthma
Bronchitis
Emphysema
Pneumonia
#5

Which respiratory disorder is characterized by the inflammation of the airways and increased mucus production?

Emphysema
Asthma
Bronchitis
Pneumonia
#6

What is the primary muscle used in breathing during rest?

Diaphragm
Intercostal muscles
Abdominal muscles
Pectoralis major
#7

What is the term for the process of breathing out?

Inspiration
Expiration
Respiration
Perfusion
#8

Which respiratory disorder is characterized by inflammation and narrowing of the airways?

Emphysema
Asthma
Bronchitis
Pneumonia
#9

What is the term for the volume of air inspired or expired during normal breathing?

Vital capacity
Tidal volume
Residual volume
Inspiratory reserve volume
#10

What is the term for the process of exchanging gases between the blood and body tissues?

External respiration
Internal respiration
Cellular respiration
Pulmonary respiration
#11

Which of the following is not a component of the upper respiratory tract?

Pharynx
Larynx
Trachea
Nasal cavity
#12

Which part of the brain controls involuntary breathing?

Cerebrum
Cerebellum
Medulla oblongata
Hypothalamus
#13

During exercise, which respiratory parameter increases to meet the demand for oxygen?

Respiratory rate
Tidal volume
Vital capacity
Inspiratory reserve volume
#14

Which of the following is a function of surfactant in the alveoli?

Increase surface tension
Prevent alveolar collapse
Promote gas exchange
Produce mucus
#15

What is the term for the maximum volume of air that can be forcibly exhaled after a maximal inhalation?

Inspiratory reserve volume
Tidal volume
Vital capacity
Expiratory reserve volume

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