#1
Which structure is responsible for the exchange of oxygen and carbon dioxide in the lungs?
Alveoli
ExplanationAlveoli facilitate gas exchange in the lungs.
#2
What is the primary function of the respiratory system?
Exchange gases between blood and air
ExplanationThe primary function of the respiratory system is to exchange gases between the blood and air for oxygenation.
#3
What is the term for the inflammation of the bronchial tubes?
Bronchitis
ExplanationBronchitis is the inflammation of the bronchial tubes.
#4
Which structure in the respiratory system contains the vocal cords?
Larynx
ExplanationThe larynx contains the vocal cords in the respiratory system.
#5
What is the role of the epiglottis during swallowing?
To prevent food from entering the trachea
ExplanationThe epiglottis prevents food from entering the trachea during swallowing.
#6
Which of the following is NOT a function of the nasal cavity?
Exchange of oxygen and carbon dioxide
ExplanationThe nasal cavity is not directly involved in the exchange of oxygen and carbon dioxide.
#7
What is the term for the process of breathing out air from the lungs?
Expiration
ExplanationExpiration refers to the process of breathing out air from the lungs.
#8
What is the term for the process of gas exchange between the blood and body tissues?
Internal respiration
ExplanationInternal respiration involves gas exchange between the blood and body tissues.
#9
Which muscle is primarily responsible for inspiration during quiet breathing?
Diaphragm
ExplanationThe diaphragm is the primary muscle for inspiration during quiet breathing.
#10
What is the term for the volume of air inspired or expired with each breath during normal breathing?
Tidal volume
ExplanationTidal volume is the volume of air exchanged during normal breathing.
#11
Which respiratory structure is shared by both the respiratory and digestive systems?
Pharynx
ExplanationThe pharynx is a shared structure between the respiratory and digestive systems.
#12
Which of the following is NOT a function of the respiratory system?
Producing hormones
ExplanationThe respiratory system does not produce hormones.
#13
Which respiratory structure is responsible for the production of surfactant, a substance that reduces surface tension in the alveoli?
Alveoli
ExplanationAlveoli produce surfactant to reduce surface tension in the lungs.
#14
Which of the following is a characteristic of chronic obstructive pulmonary disease (COPD)?
Decreased lung compliance
ExplanationCOPD is characterized by decreased lung compliance.
#15
Which respiratory disorder is characterized by the collapse of the alveoli?
Atelectasis
ExplanationAtelectasis is characterized by the collapse of alveoli.