NEW
Font size
WorksheetsOMAE
Total questions: 66
Worksheet time: 56mins
Acini that is mainly mucous and some mucoserous
Submandibular gland
Parotid gland
Sublingual gland
submaxillary gland
65% of the salivary volume comes from this gland
Parotid gland
Submandibular gland
Von ebner's gland
Sublingual gland
Component of saliva that makes it a buffering solution
More of the bicarbonate and less of phosphate ions
Basic salivary proteins
More of the phosphate and less of bicarbonate ions
Bicarbonate ions only
Integrity of the tooth is maintained because of
Calcium ions only
bicarbonate ions only
bicarbonate and calcium ions
phosphate ions only
The sequence of ducts leading from the secretory endpiece to the oral cavity
Intercalated, Striated, Excretory
Striated, intercalated, excretory
Excretory, Striated, intercalated
Intercalated, Excretory, Striated
The epithelial cell type in intercalated duct is:
Simple squamous
simple columnar
pseudostratified squamous
simple cuboidal
Salivary proteins are synthesized in the RER, modified in the golgi complex and stored for secretion in the:
SER
Nucleus
secretory granules
mitochondria
Function of the striated ducts of the salivary glands is modification of saliva by reabsorption of:
A.
Secretion of Sodium and chloride
Reabsorption of Organic components
Reabsorption of sodium and chloride
Secretion of Organic components
Submucosa is found most commonly in which type of oral mucosa
Specialized and masticatory
Lining
Specialized
Masticatory
Specialized oral mucosa
Contains taste buds
Has both keratinized and non keratinized epithelium
Found in the dorsum of the tongue
all choices
A dentist performed a biopsy on clusters of tan to light yellow spots on the buccal mucosa of a 37-year old man. The biopsy is diagnosed as Fordyce granules. This granules are composed of:
sebaceous glands
hair follicles
eccrine sweat glands
Salivary glands
Which cell in the oral stratified squamous epithelium is most important in immune response
Langerhan's cells
Merkel cell
Melanocyte
Keratinocyte
Cancer chemotherapeutic drugs are usually most toxic to normal tissue that is replaced most rapidly. Which location would be the most susceptible to tissue breakdown due to cancer chemotherapeutic drugs?
Gingiva
Cheek
Hard palate
Skin
Which lingual papillae have/has taste buds
Circumvallate papilla only
Circumvallate papilla and filiform papilla
Fungiform, Circumvallate and foliate papilla
Filiform, fungiform and foliate papilla
In keratinized epithelium
Cells of the prickle layer contain dispersed tonofilaments
When pyknotic nuclei are retained, orthokeratinization occurs
Cells of the granular layer are cuboidal or columnar
Cells of the keratinized layer have lost all their organelles
The lamina propia contains the following
Langerhans cells
fibrolasts
C. Merkel cells
D. melanocytes
Regarding buildup of keratin, in which type of papillae causes a hairlike appearance of the tongue?
Foliate
Fungiform
Circumvallate
filliform
The articular disk
Is made up of fibrous tissue
Does not contain blood vessels at its periphery
contains no elastic fibers
Synovial cells cover its surface
The following occurs during tooth eruption except:
Root elongation
Mucosal penetration
Bone remodeling
none among choices
Which of the following is true:
Prefunctional eruption is a relative slow process
Tooth eruption continues throughout the life of the tooth
Supra osseous and supra gingival eruption is always associated teeth in occlusion
All choices are true
During an experiment at the prefunctional intra-osseous stage, which of the following is/are true
The apical portion of the tooth is removed while keeping the dental follicle intact – the tooth will erupt
The forming tooth is replaced by titanium implant, while keeping the dental follicle intact – the tooth will erupt
both are true
none is true
The dental follicle is completely removed – the tooth will erupt
The statement is true for deciduous teeth only
The statement is true for succedaneous teeth only
The statement is true for accessional teeth only
The statement is not true
Monocytes are the precursors of the following EXCEPT
Odontoclasts
Osteoclasts
Odontoblasts
none from the choices
Posteruptive movements include the following EXCEPT
Root formation
Accommodation of the growing jaw
Compensation of occlusal wear
Accommodation of interproximal wear
Odontoclasts EXCEPT:
Resemble osteoclasts.
Derived from lymphocytes
Are multinucleated cells
Can resorb dentin.
Gubernacular canals EXCEPT
Containing remnants of dental lamina and connective tissue.
Present in both deciduous and succedaneous teeth
Present only in succedaneous teeth
Located between the permanent tooth germ and the apex of the deciduous tooth
Exfoliated deciduous molar EXCEPT
Considerable portion of root remaining on the facial aspect
Enamel and coronal dentin are eroded
Roots have been lost completely
all are true
Exfoliated deciduous canine
Enamel and coronal dentin are eroded
Roots have been lost completely
Considerable portion of root remaining on the facial aspect
all choices are true
Non immune defense of the saliva
mucins
IgG
IgA
all choices
von ebners EXCEPT
mucus
serous
located in the tongue
open into the troughs surrounding the circumvallate
In the embryo, the lower part of the lip is formed by:
A. Merging mandibular process
B. Frontonasal process
C. Medial nasal and frontonasal processes
D. None of the choices
In facial development, the mandibular arch divides into
A. Frontonasal process, mandibular process and maxillary process
B. Mandibular arch and maxillary arch only
C. Mandibular process and maxillary process only
all choices
The following is true about Olfactory placode EXCEPT
A. Thickening of the ectoderm
B. Situated at the lower border of the frontal prominence
C. Above the stomatodeum
D. Proliferation of the mesenchyme
Frontal prominence will divide into
Frontonasal process, Medial nasal process only
Frontonasal process, Medial nasal process, Lateral nasal process
Medial nasal process, Lateral nasal process only
none of the choices
Which of the following is true about the development of the maxillary process:
Medial growth of the maxillary process pushes the medial nasal process
Approaches both the lateral and the medial nasal process
Eliminates the frontonasal process
all choices
From what process did this come from: forehead
a. frontonasal process
b.lateral nasal process
c. medial nasal process
d. maxillary process
e. mandibular process
From what process did this come from: center and tip of nose
frontonasal process
lateral nasal process
medial nasal process
maxillary process
mandibular process
From what process did this come from: nasal septum
frontonasal process
lateral nasal process
medial nasal process
maxillary process
From what process did this come from: primary palate
frontonasal process
mandibular process
medial nasal process
maxillary process
From what process did this come from: ala of the nose
frontonasal process
lateral nasal process
medial nasal process
mandibular process
From what process did this come from: secondary palate
maxillary process
frontonasal process
lateral nasal process
maxillary process
From what process did this come from: upper part of the cheek
frontonasal process
maxillary process
lateral nasal process
medial nasal process
From what process did this come from: sides of the upper lip
frontonasal process
lateral nasal process
medial nasal process
maxillary process
From what process did this come from: lower part of the cheek
frontonasal process
lateral nasal process
mandibular proces
maxillary process
From what process did this come from: anterior part of the tongue
frontonasal process
lateral nasal process
medial nasal process
mandibular process
The entire primary dentition is initiated between
6 and 8 weeks of embryonic development.
8 and 9 weeks of embryonic development.
7 and 8 weeks of embryonic development
10th week of embryonic development
Successional permanent teeth are initiated between
week 20 in utero and 5 months after birth
week 10 in utero and 5 months after birth
week 20 in utero and 10 months after birth
week 10 in utero and 10 months after birth
Permanent molars are initiated between
week 5 in utero (first molar) and 5 years of age (third molar).
week 10 in utero (first molar) and 5 years of age (third molar).
week 20 in utero (first molar) and 5 years of age (third molar).
week 30 in utero (first molar) and 5 years of age (third molar).
Disturbances of root formation where HERS remain adherent to the dentin surface
Accessory root canals
cementicles
Enamel lamella
enamel pearl
Disturbances of root formation where HERS become calcific in the periodontal ligament area
Accessory root canals
Enamel lamella
cementicles
enamel pearl
Disturbances of root formation where HERS is broken or not established prior to dentin formation
Accessory root canals
Enamel lamella
cementicles
enamel pearl
The most common tooth to be affected by absence of initiation
Lateral incisors
3rd molars
2nd mandibular premolars
2nd maxillary premolars
Disturbances in morphodifferentiation may cause the following EXCEPT:
A. Supernumerary cusps
B. notched incisors
c. Supernumerary roots
d. supernumerary tooth
Maxillary primary epithelial band
A. Fused maxillary processes
B. fused mandibular process
C. Fused maxillary and lateral nasal process
Fused maxillary and medial nasal process
Which of the following is true regarding primary cementum
A. It is cellular
B. Produced after mineralization of dentin
C. Produced after crown formation
D. Develops relatively slow
Concerning cellular versus acellular cementum:
none of the following statements are true
There are no obvious structural differences
Both exhibits clearly evident cementoid layers
Acellular cementum is usually absent from incisor and canine teeth
Periodontal ligament fibroblasts:
D. All statements are true
A. Characterized by an ability to achieve a high rate of collagen turnover
B. With well-developed cytoskeleton
C. Aligned along the the general direction of the fiber bundles
D. all statements are true
Which of the following fiber bundles is/are part of the gingival ligament :
A. Dentoperiostal group
B. Alveoloperiostal group
C. Alveolar crest group
D. All are true
Changes in the pulp during aging include
A. Chamber becomes smaller due to continues deposition of dentin
B. Pulp is less sensitive because of decrease in number of nerve fibers
C. More collagen bundles and fewer cells
D. all choices
Reparative dentin
Produced by dental follicle cells
Usually a highly organized layer of dentin
Considered to be protective for the pulp cells
All choices
The Plexus of Raschkow is
A. Group of nerves located within the enamel area
B. Group of nerve endings in the dental organ
C. Periodontal ligament structures which senses tooth movement
D. Found in the pulp adjacent to the odontoblastic layer
Weil’s zone of pulp is
A. Odontoblastic layer
c. cell free zone
D. cell rich zone
d. all are true
Mature enamel is composed of
A. 96% mineral and 4% organic material and water
A. 96% mineral and 4% organic material and water
B. 100% mineral
C. 90% protein and 10% organic material and water
D. Depends on the type of teeth
Ruffle ended ameloblasts
Participate in protein loss
Represent a distinct population of cells
Influence the life of odontoblasts
All choices
The extensions from secretory ameloblast cells that give structure to enamel rods are:
Tomes’ granular layer
Tome's processes
Enamel spindle
Enamel lamellae
what is my name
leah
leila
lina
shie
