3 Respiratory System Flashcards
The respiratory mucous membrane epithelium consists of what type?
Pseudostratified Epithelium
Where is the olifactory epithelium located?
Roof of nasal cavity
What type of cell are the supporting cells of the olifactory epithelium?
Columnar
What type of connective tissue forms the Epiglottis?
Elastic cartilage
With the exception of the epiglottis, what type of cartilage builds the larynx?
Hyaline Cartilage
Is the trachea expanded on inhalation or exhalation?
Inhalation
What type of epithelia is found in the mucous membrane of the trachea?
Pseudostratified columnar
How many subdivisions of the primary bronchi are found in the right lung?
three
How many subdivisions of the primary bronchi are found in the left lung?
Two
Cartilage plates are more likely to be found in the bronchus, or the bronchiole?
Bronchus
What structures within the bronchioles are involved in symptom development in asthma?
Smooth muscle cells
Are cartilage and glands found in a respiratory bronchiole?
No
The alveolae of the lung consist of what type of cell?
Simple squamous epithelia
What structures are found in the interalveolar wall?
Blood vessels
Surfactant is secreted by type 1 or type 2 pneumocytes?
Type 2
How many barriers must gas pass through to exchange with erythrocytes?
six
What is the morphology of a type 1 pneumocyte?
Simple squamous
What is the purpose of the alveolar pores?
Allows bypass of collapsed alveolae
equalisation of pressure across the lung
How are foreign particles cleared from within the alveolae?
Macrophages
A dust cell is also known as:
Alveolar Macrophage
What structure marks the transition between the skin surface and the mucous membrane of the mouth?
Red margin of the lip
What structure of the tongue is responsible for the ‘roughness’ felt?
Filiform Papilae
Where can the majority of taste buds be found?
Fungiform Papillae
What is the connective tissue which anchors a tooth to the jaw?
Cementum
What structure lies between the dentin and pulp cavity of a tooth?
Tome’s Fibres
Where is the parotid salivary gland located?
Anterior to the ear,
between the Masticators and Skin
Expulsion of secretions of the salivary gland are achieved by what?
Myoepithelial cells
What duct structure lies nearer the acinar glands:
Intercalated Duct
or
Striated Duct?
Intercalated duct
The parotid salivary gland contains only serous or mucosal acini?
Serous
The sublingual salivary glands contain mostly serous or mucousal acini?
Mucousal
Lysosymes are secreted by serous or mucousal demilunes?
Serous
