Competitive Oral Mucous Membrane ( Oral Histology ) MCQs – Most Latest Medical MCQs
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Latest Medical MCQs
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Latest Oral Mucous Membrane ( Oral Histology ) Mcqs
The most occurred mcqs of Oral Mucous Membrane ( Oral Histology ) in past papers. Past papers of Oral Mucous Membrane ( Oral Histology ) Mcqs. Past papers of Oral Mucous Membrane ( Oral Histology ) Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Oral Mucous Membrane ( Oral Histology ) Mcqs. The Important series of Oral Mucous Membrane ( Oral Histology ) Mcqs are given below:
Which of the following is correct_______________?
A. In ortho keratinisation the superficial cells lose their nuclei, but stratum granulosum is present
B. Parakeratinished epithelium is characterized by superficial cells with pyknotic nuclei and absence of stratum granulosum
C. Non-keratinized epithelium is characterized by absence of stratum granulosum and stratum corneum, The surface cells are nucleated
D. All of the above
Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa____________?
A. Buccal andalveolar mucosa
B. Hard palate and gingiva
C. gingiva and alveolar mucosa
D. Hard and soft palate
All of the following is lined by stratified squamous epithelium, except ?
A. Tongue
B. Lips
C. Roof of the soft palate
D. Oropharynx
Membrane coating granules may_____________?
A. Packed with tonofilaments
B. Originate from golgi system
C. Appear as circular with an amorphous core in keratinized epithelium
D. Helps in adhesion of fully keratinized epithelial cells
Basement membrane________________?
A. Consists luratihyaline granules
B. Contains lamina lucida & Lamina dura
C. consists of lamina densa and lamina lucida
D. consists of desmosomes and hemi desmosomes
The high level clear cell present in the oral epithelium is_____________?
A. Lymphocyte
B. Melanocyte
C. Merkel cell
D. Langerhans cell
Vonebilers glands open into which papilla_____________?
A. Filiform
B. Foliate
C. Circumvallate
D. Fungiform
Dendritic cell located in the stratified squamous keratinizing epithelium of the oral cavity include_____________?
A. Mast cells
B. Keratinocytes
C. Melanocytes
D. Myoepithelila cells
After the eruption of crown, reduced enamel is known as_____________?
A. Primary attachment epithelium
B. Primary enamel cuticle
C. Secondary attachment epithelium
D. Reduced enamel epithelium
The vermilion border requires frequent moistening because_____________?
A. It contains more do. of sebaceous glands
B. It contains more No. of sweat glands
C. It contains less number of sebaceous glands
D. It contains less number of sweat glands
Stippling’s______________?
A. Due to alternate elevations and depressions in epithelium
B. Disappeared in progressing gingivitis due to edema and this change is reversible
C. Functional adaptation to mechanical impact
D. All of the above
Which of the following is non-keratinocyte ?
A. RBC
B. Langhan’s cell
C. Langerhans cell
D. Grey cell
Partially keratinized papilla is_______________?
A. Circumvallate
B. Filiform
C. Fungiform
D. Foliate
Periodontal Ligament MCQs
Keratohyaline granules are more evident in_______________?
A. Non keratinized
B. Keratinised
C. Parakeratinised
D. Orthokeratinized
Epithelium of the inner surface of the gingival sulcus______________?
A. Has no rete pegs
B. Is keratinized
C. Has prominent rete pegs
D. Is para-keratinized
Elongated rete pegs are seen in______________?
A. Floor of the mouth
B. Alveolar mucosa
C. Attached gingiva
D. Buccal mucosa
The connective tissue of the gingiva is known as the______________?
A. Dental cuticle
B. Lamina dura
C. Lamina propria
D. Fibroblasts
Color of the normal gingiva is_____________?
A. Red
B. Pink
C. Coral pink
D. None of the above
Epithelium of oral mucous membrane is_______________?
A. Non keratinized
B. Keratinized
C. Ortho, para and non keratinized
D. Only para keratinized
The position of mucogingival line____________________?
A. Shifts coronally with age
B. Shifts apically with age
C. Constant throughout the life
D. None of the above
Keratohyaline granules are found in________________?
A. St. granulosum
B. St. basale
C. St. spinosum
D. Prickle cell layer
In the tongue bitter taste is more perceived at_____________?
A. Sides
B. Tip
C. Back
D. Front
The major cells seen in gingiva are______________?
A. Fibro blast
B. Odontoblasts
C. xOdontoblasts
D. Merkel cells
Cells of the spinous layer are generally_______________?
A. Larger than the basal cells
B. same size as that of basal cells
C. Smaller than the basal cells
D. None of the above
Which of the following has immune function in the oral mucous membrane_______________?
A. Merkel cells
B. Melanocyte
C. Langerhan cell
D. Keratinocyte
The range of level of fluoride secreted by the glands into the mouth is_____________?
A. 0.006-0.007 ppm
B. 0.004-0.005 ppm
C. 0.007-0.005 ppm
D. 0.007-0.08 ppm
Protein making up the bulk of keratohyaline granules in stratum granulosum of keratinized epithelium is______________?
A. Vinculin
B. Involucrin
C. Filaggrin
D. Nectin
Dentin MCQs
Which papillae are completely keratinized______________?
A. Circumvallate
B. Filiform
C. Fungiform
D. Foliate
Stratum Germinativum of the oral epithelium is the term given to_______________?
A. Granular cell layer
B. Basal cell layer
C. Spinous cells and granular cells
D. Basal cells and parabasal spinous cells
The oral epithelium is attached to the enamel via_______________?
A. Collagen fibers
B. Reticular fibers
C. Hemidesmosomes
D. Desmosomes
Buccal mucosa is_______________?
A. Parakeratinised
B. Non-keratinized
C. Keratinized
D. Orthokeratinized
Masticatory mucosa is____________?
A. Non keratinised
B. Ortho keratinised
C. Para keratinised
D. Sub keratinised
The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
A. Gingivitis
B. Impaction
C. Occlusal wear
D. Gingival recession
Epithelial attachment is_____________?
A. Microscopically it resembles basal lamina
B. Attachment of ameloblasts to the tooth
C. Derived from secondary attachment epithelium
D. All of the above
The mucous membrane of cheeks and lips_____________?
A. It attached to orbicularis oris in lips
B. It attached to buccinator muscle in cheeks
C. A & B are correct
D. None of the above
The function of merkel cells is_______________?
A. Secretory function
B. Sensory function
C. Neuro sensory
D. Nutritive function
Jacobson’s organ is________________?
A. Ellipsoid/Cigar shaped
B. Auxillary olfactory sense organ
C. Undergoes degeneration after 4 months of intrauterine life
D. All of the above
Stratum germinatum is_______________?
A. Stratum granulosum
B. Stratum basale
C. Stratum basale and parabasal spinous cells
D. Stratum spinosum
Supporting cells of taste buds are called as_____________?
A. Sustenticular cells
B. Von ebner cells
C. Taste cells
D. Acini
Enamel MCQs
Bulk of lamina propria of the gingiva is made of collagen type_______________?
A. I
B. III
C. II
D. IV
Minor salivary glands are present in the submucosa through out the oral mucosa except for the______________?
A. Gingiva and anterior part of hard palate
B. Retromolar area and hard palate
C. Tongue and soft palate
D. Lip and posterior third of the hard palate
Difference between the skin and mucosa of cheek is_______________?
A. Thin lamina and non keratinized mucosa of cheek
B. Rete pegs
C. Keratinized mucosa of cheek
D. Thick lamina propria on skin of cheek
The thinnest epithelium of oral cavity is found in the____________?
A. Lingual gingiva
B. Buccal gingiva
C. Oral surface of lip
D. Sublingual mucosa (floor of mouth)
The red zones of lips have_____________?
A. 75% sebaceous glands
B. 30% Sebaceous glands
C. very small number of sebaceous glands, if any
D. Absolutely no sebaceous glands
Masticatory mucosa in the oral cavity covers the_______________?
A. Alveolar mucosa and vestibular fornix
B. Floor of the mouth and soft palate
C. Lip and cheek
D. Gingiva and hard palate
Merkel cells are found in which of the following tissue ______________?
A. Epidermis
B. Reticular of dermis
C. Papillary layer of dermis
D. Hypodermis
Non keratinized epithelium is found over___________?
A. Interdental papilla
B. Free gingiva
C. Attached gingiva
D. Gingival sulcus
Stratum granulosum is not present in_____________?
A. Non keratinized epithelium
B. Hyper parakeratosis
C. Hyper orthokeratosis
D. Sulcular epithelium
Biomechanism that unites the epithelium to the tooth surface is_____________?
A. Reduced enamel epithelium
B. Junctional epithelium
C. Internal basal lamina
D. Epithelial attachment
Epithelial cells which ultimately keratinize are known as_____________?
A. Keratinizing cells
B. Non-Keratinizing cells
C. Melanocytes
D. Clear cells
Lamina densa of the gingival basement membrane is rich in_____________?
A. Type III collagen
B. Type I and III collagen
C. Type IV collagen
D. Type I collagen
In which of the following papillae of the tongue are the taste buds predominantly located ?
A. Circumvallate
B. Foliate
C. Filliform
D. Fungiform