Respiratory System Quiz

The trachea is lined with a mucous member containing tiny hair-like ________.

• Cilia

• Vestibular folds

• Alae

• Paranasal sinuses

Which of the following can change its diameter to increase or decrease airflow?

• Alveoli

• Bronchioles

• Trachea

• Larynx

Alveoli contain elastic walls, allowing it to stretch during air intake.

• True

• False

Vocal cords are located in the ________.

• Larynx
• Pharynx

• Trachea

• Nasal Cavity

The lungs are symmetrical, mirror images of one another.

• True

• False

Which of the following is a tube which extends from the larynx towards the lungs?

• Pharynx

• Nasal cavity

• Bronchi

• Trachea

What is the function of the epiglottis?

• Preventing food or liquid from entering the trachea

• Producing sound using the vocal cords

• Producing air movement through the larynx

• Preventing fluid from entering the nasal cavity

The trachea initially branches into how many bronchi?

• Two

• Four

• One

• Zero

Which of the following represents the proper order of branching in the respiratory system?

• Trachea, bronchi, alveoli, bronchioles

• Trachea, bronchioles, bronchi, alveoli

• Trachea, bronchi, bronchioles, alveoli

• Trachea, alveoli, bronchioles, bronchi

The function of hemoglobin in the respiratory system is to____

• bind oxygen and carbon dioxide and carry them throughout the tissues.

• Prevent the backflow of blood into the aorta

• contract the lungs to increase respiratory rate

• Increase blood flow and lowers blood pressure