Digestive tract 1
Exploring the Digestive Tract: The Ultimate Quiz
Test your knowledge on the anatomy and physiology of the digestive tract with our comprehensive quiz! This quiz features 35 carefully crafted questions covering various aspects of oral and dental structures, including tissues, glands, and formation processes.
- Engaging multiple-choice and checkbox questions
- Designed for students and professionals alike
- Perfect for reinforcing your understanding of dental anatomy
Which component is the organic component of the dentin
Odontoblasts
Secreting cells GAGs
Collagen type 3
Collagen type 1
Which tissue is covered by cementum?(single choice)
Enamel
Dentin of the root
pulp
Dentin of the crown
What is correct about Von Ebner glands:
Are associated with filiform papillae
Are present in the duodenum
Are associated with fungiform papillae
Release lingual lipase
Which structures are present in dentinal tubules?
Tomes fibers
Elastic fibers
Tissue fluid
Blood vessels
Where are the esophageal cardiac glands?(single choice)
In the distal part of lamina propria
In the proximal part of lamina propria
In the distal part of lamina lucida
In the proximal part of lamina lucida
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 III collagen
Oral cavity
Contains 2 symmetrically arches in the maximally and mandibular
Striated muscle in the lips makes these structures highly mobile for ingestion and speech
Contains 2 non-symmetrically arches in the maximally and mandibular
Simple squamous epithelium
Mark the correct sentences about von Ebner’s glands:
Are not present in human
Are associated with circumvallate papillae
Serous salivary glands
Are composed of mucous tubules
Release lingual lipase
Are present in the duodenum
Oral cavity
The hard palate and gingiva are lined with stratified squamous keratinized epithelium
Circumvallate papillae are associated with salivary glands
Skin part of lip does not contain sebaceous glands
Each part is lined with keratinized stratified squamous epithelium
Taste buds contain gustatory and supportive cells
Periodontal ligament is highly calcified connective tissue
Ducts of von ebner glands surround filiform papillae
There are taste buds in circumvallate papillae
Each part is lined with keratinized stratified squamous epithelium
Foliate papillae are poorly developed in humans
On the histological slide of lips we can find
Vermillion zone
Stratified squamous non-keratinized epithelium
Sebaceous glands
Myelinated axons
Skin
Skeletal muscle cells
Root formation:
Takes place as the crown is completely shaped
Root dentin is influenced by Hertwig's root sheath
Takes place before appositional stage of the crown
Include the synthesis of enamel
Is through the formation of cervical loop
Mark structures covered by keratinized epithelium
Hard palate
Circumvallate papilla
Gingiva
Filiform papillae
Ventral surface of tongue
Mucosa region of lip
Choose the structures that are present in the enamel organ
Outer epithelium
-stratum intermedium
Stellate epithelium (stellate reticulum )
Inner epithelium
Tooth formation (odontogenesis)
Odontoblasts and dentin are derivatives of enamel organ (outer cells of dental papilla )
The first stage is formation of dental lamina
Also cap and bell stage are recognized
Origin of dentin is mesenchyme
Which structures are present in dentinal tubules
Tissue fluid
Unmyelinated axons
Blood vessels
Tome’s fibres
Odontoblasts
The lip
Does not contain any glands
Skin region is covered by non-keratinized epithelium
The core is composed of skeletal muscle
Labial glands are present in the red lip region (oral mucosa region)
Are elastic and reticular fibers in dentinal tubules
Unmyelinated axons
Blood vessels
Tome's fibers
Odontoblasts
Tissue fluid
Where is auerbach's nerve plexus located
Muscularis externa
Between the outer longitudinal and inner circular layers of the muscularis externa in small intestine
Mucosa
Muscularis mucosa
Do lips have sebaceous glands
Outer surface (cutaneous skin) has thin skin, epidermal & dermal layers, sweat glands,
Sebaceous glands, many hair follicles
Where are cardiac esophageal glands found
In the submucosa
In the serosa
In the lamina propria
In the adventitia
What is seen on histologic slide of lips
Sebaceous glands
Myelinated axon
Vermillion zone
Skeletal muscle cells
Pulp
In odontoblasts
In ameloblasts
High vascularization
Low innervation
Ground substance with GAG
Collagen fibrils
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 containing type I collagen
Odontoblasts
-h20 (10%)
The core of the lip? (single)
It contains hair follicles
It is composed of skeletal muscles
It is composed of elastic fibers
It is covered by epithelium
What is true
Dentin is a calcified tissue
Dental pulp consists of collagen fibers -Dental pulp consists of fibroblasts -Dental pulp is highly vascularize
Dental pulp consists of fibroblasts
Dental pulp is highly vascularized
True about oral cavity:
Filiform papillae are heavily keratinized
The red lip region (vermillion) of the lip is covered by thin simple squamous epithelium
The most numerous papillae are fungiform
Striated muscle in the lips makes these structures highly mobile for ingestion and speech
What are the components of organic matter in Dentin (single)
Collagen type I
Odontoblasts
Elastic fibers
Collagen type III
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