Which of the following structures connects the nose to the throat?

• nasopharynx

• oropharynx

• larynx

• laryngopharynx

Boys have high pitched voices when they are young, but their voices deepen as they age. What causes this?

• They are able to push more air through the larynx as they get older.

• Their lungs grow as they get older.

• Their mouths and sinus cavities grow, causing sound to vibrate more deeply.

• Their vocal cords grow longer as they get older.

What is the purpose of the cartilaginous rings that surround the trachea?

• To prevent food from entering the trachea accidentally.

• To prevent the trachea from collapsing between breaths.

• To collect foreign particles and prevent them from entering the lungs.

• To produce sound as air passes through them.

Which of the following describes the path of carbon dioxide as it leaves your capillaries and exits through the respiratory system?

• alveoli, bronchi, bronchioles, trachea, larynx, pharynx, mouth/nose

• mouth/nose, pharynx, larynx, trachea, bronchi, bronchioles, alveoli

• mouth/nose, pharynx, larynx, bronchioles, trachea, bronchi, alveoli

• alveoli, bronchioles, bronchi, trachea, larynx, pharynx, mouth/nose

You are sitting calmly while you work on this test. The amount of air that is regularly being exchanged through your lungs during this time is called the

• residual volume

• vital capacity

• total lung capacity

• tidal volume

Your doctor told you that you have an upper respiratory infection. Which of the following structures would not be affected by this infection?

• bronchi

• pharynx

• larynx

• nose

Your friend had her larynx removed. What will she be unable to do?

• cough

• swallow

• breathe

• speak

The ciliated cells within the respiratory mucosa propel foreign particles __________ from the nasal cavity and __________ from the trachea.

• inferiorly, superiorly

• superiorly, inferiorly

• laterally, medially

• medially, laterally

Which of the following is NOT a function of the paranasal sinuses?

• produce mucus

• resonate speech

• keep airways open

• lighten the skull

Tonsils and alveolar macrophages are found within the respiratory system, but function as part of the

• digestive system

• muscular system

• lymphatic system

• nervous system