Histology 3A
Histology 3A Quiz
Test your knowledge on various aspects of histology with our comprehensive quiz! Dive into the intricate structures and fun
Whether you're a student or just interested in histology, this quiz offers a challenging yet educational opportunity. Here are some topics covered:
- Components of dental tissues
- Histological features of glands
- Structure of the oral cavity
What is correct regarding Von Ebner glands?
Are associated with filiform papillae
Release lingual lipase
Are associated with circumvallate papillae
Are present in the duodenum
Which structures are president in dentinal tubules?
Tomes fibers
Elastic fibers
Tissue fluid
Blood vessels
Teeth:
Dental pulp contains odontoblasts
Dental pulp is highly vascularized
Dental pulp consists of collagen fibrils
Enamel is mostly composed of calcium hydroxyapatite
Dental pulp consists of fibroblasts
The organic matrix of dentin contains only type 3 collagen
The oral cavity:
The hard palate and gingiva are lined with stratified squamous keratinized epithelium
Circumvallate papillae are associated with salivary glands
Taste buds contains gustatory cells
Taste buds contains supportive cells
Periodontal ligament is highly calcified connective tissue
Ducts of Von Ebner glands surround filiform papilla
Each part is lined with keratinized stratified squamous epithelium
The oral cavity:
Foliate papillae are poorly developed in humans
There are taste buds in circumvallate papillae
Taste buds contains lipase that prevents the formation of hydrophobic film
The dentin of teeth crown is covered by cementum
Its mucosa may contain minor salivary glands
Skin part of lip does not contain sebaceous glands
On the histological slide of lips we can find:
Vermillion zone
Skeletal muscle cells
Sebaceous glands
Myelinated axons
Skin
Stratified squamous non-keratinized epithelium
Root formation:
Takes place as the crown is completely shaped
Root dentin is influenced by Hertwig's root sheath
Takes place before appostitional stage of the crown
Include the synthesis of the enamel
Is through the formation of the cervical loop
Mark structures covered by keratinized epithelium:
Hard palate
Circumvallate papilla
Gingiva
Filiform papilla
Ventral surface of tongue
Mucosa region of lip
Which structures are present in the enamel organ:
Outer and inner epithelium
Stellate epithelium
Stratum intermedium
Tooth formation; odontogenesis:
The first stage is the formation of dental lamina
Also cap and bell stage are recognized
Odontoblasts and dentin are derivatives of enamel organ
Origin of dentin is mesenchyme
What is present in dentinal tubules?
Unmyelinated axons
Tissue fluid
Blood vessels
Tomes fibers
Odontoblasts
The lip:
Does not contain any glands
Skin region is covered by non-keratinized epithelium
Labial glands are present in the vermillian zone
The core is composed of skeletal muscle
Where is the auerbach's nerve plexus located?
Muscularis externa
Between the outer longitudinal and inner circular layer of the muscularis externa in the small intestine
Mucosa
Muscularis mucosa
What is present in the cutaneous skin of lips?
Thin skin
Epidermal and dermal layer
Sweat glands
Sebaceous glands
Hair follicles
Where are cardiac esophageal glands located?
In the lamina propria
In the adventitia
In the submucosa
In the serosa
What is true regarding pulp?
High vascularization and innervation
Ground substance with GAG
Collagen fibrils
Odontoblasts and fibroblasts
Which papillae are most numerous?
Filiform papillae
Circumvallate papillae
Fungiform papillae
Foliate papillae
What is dentin mainly composed of?
Inorganic matter (70%) hydroxyapatite
Organic matrix contains type I collagen
Odontoblasts
H2O
The core for the lip:
Contains hair follicles
Is covered by epithelium
Is composed of elastic fibers
Is composed of skeletal muscles
What is true?
Dentin is a calcified tissue
Dental pulp consists of collagen fibers
Dental pulp consists of fibroblasts
Dental pulp is highly vascularized
What is true about the oral cavity?
The vermillion region of the lip is covered by thin simple squamous epithelium
Filiform papillae is heavily keratinized
Striated muscle in the lips makes these structures highly motile for ingestion and speech
The most numerous papillae is fungiform
What are the components of organic matter in dentin?
Collagen type I
Odontoblasts
Elastic fibers
Collagen type III
What is true about mucosa?
Comprises a lamina propria
Is often called the mucous membrane
Contains a layer of smooth muscle
Contains the MALT elements
Comprises epithelial lining, lamina propria and muscularis mucosae
There is no mucosa in the oral cavity
Contains a layer of skeletal muscles
Contains a nerve plexus
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