The Respiratory System

What is the first anatomical structure air enters when inspired through the nose?

• Pharynx

• Larynx

• Nasal cavity

• Trachea

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Which of the following are the three parts of the pharynx?

• Nasopharynx, Trachea, Larynx

• Oropharynx, Laryngopharynx, Bronchi

• Nasopharynx, Oropharynx, Laryngopharynx

• Nasal cavity, Pharynx, Larynx

Which structures are considered part of the upper respiratory tract?

• Trachea, Bronchi, Lungs

• Nasal cavity, Pharynx, Larynx

• Esophagus, Stomach, Intestines

• Bronchioles, Alveoli, Diaphragm

What structures does the trachea bifurcate into?

• Larynx

• Alveoli

• Main stem bronchi

• Bronchioles

What is the correct pathway of air from the external environment to the bronchi?

• Nasal cavity -> Larynx -> Pharynx -> Trachea -> Bronchi

• Pharynx -> Nasal cavity -> Larynx -> Trachea -> Bronchi

• Nasal cavity -> Pharynx -> Larynx -> Trachea -> Bronchi

• Larynx -> Nasal cavity -> Pharynx -> Trachea -> Bronchi