What is the function of the respiratory system?

Why is oxygen necessary?

What is carbon dioxide?

What are the 2 divisions of the respiratory system?

What are the components of the conducting portion?

What is the function of the conducting portion?

What are the components of the respiratory portion?

What is the main function of the respiratory portion?

The nasal cavity consists of what 3 divisions?

The respiratory region and the olfactory region of the nasal cavity comprise the ___ ___

Anterior portion of the nasal cavity; forms a true entrance into the respiratory system; highly pigmented, thickened stratified squamous epithelial lining

Lies within the nasal septum

Main function of the nasal fossa

What does “conditioning” inspired air consist of?

The respiratory epithelium of the nasal fossa cleanse inspired air by...

The goblet cells and sero-mucus glands of the nasal fossa ... the inspired air

The venous plexus of the nasal fossa ... the inspired air

Moves mucus and trapped particles from the nasal cavity to the pharynx

Create turbulence in the inspired air to trap small particulates in mucus

Respiratory region contains ___ epithelium that function to trap particles from the passing air

What are the 4 respiratory epithelium cell types

Function of basal cells

Function of ciliated cells

Function of goblet cells

Refers to lamina propria CT with increased numbers of blood vessels; contains mixed glands

Function of cavernous stratum

Located in the dorso-caudal region of the nasal cavity; lined by olfactory epithelium

Function of the olfactory region

Olfactory mucosa consists of thick ___ ___ epithelium

The lamina propria of the olfactory mucosa contains ___ ____

What is the purpose of the section from the Bowman’s glands?

What are the 3 major olfactory epithelium cell types?

Specialized bipolar neurons that are activated when chemicals come in contact with olfactory vesicles

Provide physical support, nourishmentj, and electrical insulation to the olfactory neurons

Stem cells that help replace worn out olfactory and sustentacular cells

Briefly describe the process of olfaction

Tubular structure located at the base of the nasal cavity; specialized for chemoreception

Function of the vomeronasal organ

The vomeronasal organ is positioned in a way to maximize air flow. Why?

Vomeronasal neurons contain ___ (as opposed to cilia)

Vomeronasal organ: ___ ___ epithelium

Components of the accessory olfactory system

Respiratory epithelium is ___ than olfactory epithelium

Functions of glands within the respiratory and olfactory regions

What disease process is the following describing?
- nasal concha are destroyed
- greenish exudate remaining
- fungal hyphae can be found

Inherited condition in certain species of dogs;
- cilia don’t function—> mucus builds up —> mucus plugging and inflammation of the nasal cavities, trachea, and airways —> chronic respiratory abnormalities

- worldwide disease of pigs
- atrophy of nasal conchae
- bacterial etiology
- can result in severe facial deformity

With nasal adenocarcinoma, the cells have a ___ growth pattern histologically

With nasal lymphoma, (histologically) the lamina propria is filled with ___

Flattened conical chamber through which air and food pass

The pharynx is divided partially by the soft palate into ___ and ___

Functions of the larynx

Tubular shape of larynx maintained by ___ ___ and rings of ___

2 Types of cartilage found in larynx

Larynx is lined by ___ epithelium except surfaces of the ___ ___ and ___

Epiglottis lined by ___ ___ epithelium

Flap of cartilage that gets depressed during swelling to cover the larynx

Function of epiglottis

Flaps of tissue composed predominantly of muscle and lined by stratified squamous epithelium

Function of vocal folds

Irritation ___ mucus production