Respiratory Anatomy

What are the functions of the nose

• equalize pressure

• moistens and warms air

• filters and cleans air

• lighten skull

What cells can be found in the respiratory mucosa

• nasal cells

• goblet cells

• chief cells

• gastric cells

What is the role of paranasal sinuses

• lighten the skull

• passageway for hearing

• drains and equalizes auditory tube

• passageway for food and air

From top to bottom, what is the order of the pharynx

• oropharynx, laryngopharynx, nasopharynx

• laryngopharynx, oropharynx, nasopharynx

• nasopharynx, oropharynx, laryngopharynx

• nasopharynx, laryngopharynx, oropharynx

Which zone does the site of gas exchange occur

• respiratory zone

• conducting zone

Which of the following is a function of the larynx

• is an opening

• closes glottis during swallowing

• voice production

• covers laryngeal inlet

Which folds have no role in voice production

• vocal folds

• vestibular folds

Which of the following layers is not included in the trachea

• mucosa

• submucosa

• muscularis

• adventitia

What changes occur from bronchi to bronchioles

• alveolar sacs increase in size

• elastic fibers replace cartilage

• pseudostratified columnar becomes cuboidal

• smooth muscle increases

In order of occurrence, what is the arrangement of alveoli structure

• sacs, ducts, alveoli

• ducts, sacs, alveoli

• alveoli, sacs, ducts

• ducts, alveoli, sacs