5015446
Pregunta 1
Pregunta
Keratinized cells lose their nuclei and parakeratinized cells keep their nuclei. Parakeratinized nuclei are alive and functional
Respuesta
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Both statements true
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First true, second false
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First false, second true
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Both false
Pregunta 2
Pregunta
The basal layer divides constantly because it is the site of stem cells for the epithelium. All epithelia is vascularized
Respuesta
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Both true
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First true, second false
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First false, second true
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Both false
Pregunta 3
Pregunta
Which of the following is incorrect?
Respuesta
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Demosomes are found in the prickle cell layer
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Hemidesmosomes attach epithelial cells to the basal lamina
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Parakeratinized cells can be found in masticatory mucosa
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The hard palate has keratinized stratified squamous epithelium
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The soft palate is highly vascularized and keratinized
Pregunta 4
Pregunta
Which of the following is incorrect?
Respuesta
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The filiform papillae are keratinized
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The fungiform papillae have taste buds
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The fungiform and filiform papillae are mostly found towards the midline of the tongue
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The Von Ebner glands are found within circumvallate papillae
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The circumvallate papillae is filled with saliva
Pregunta 5
Pregunta
Taste at the anterior 2/3rds of the tongue travel through a branch of the glossopharyngeal cranial nerve. The vagus supplies the posterior 1/3rd.
Respuesta
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Both true
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First true, second false
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First false, second true
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Both false
Pregunta 6
Pregunta
All taste goes through the solitary nucleus within pons. Then taste will be processed at ventral posterior medial nucleus before ending at the gustatory cortex.
Respuesta
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Both true
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First true, second false
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First false, second true
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Both false
Pregunta 7
Pregunta
Which of the following is incorrect
Respuesta
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Coated tongue is from colonization of bacteria or fungi trapped between small nodules
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Leukoplakia is a disorder of the immune system which causes white patches in the mouth.
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Oral lichen planus causes lacy white streaks and patches in the mouth and tonuge
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Thrush causes sore white plaques via yeast infection
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Black hairy tongue is hypertrophy of filiform papillae and possible infection by chromogenic bacteria
Pregunta 8
Pregunta
Mucoperiosteum has mostly collagen 3 and elastin. The oral mucosa has more adipocytes in its submucosal layer.
Respuesta
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Both statements true
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First true, second false
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First false, second true
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Both false
Pregunta 9
Pregunta
The lamina propria has more penetrance into the mucoperiosteum. Mucuperiosteum also has no submucosal layer.
Respuesta
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Both statements true
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First true, second false
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First false, second true
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Both false
Pregunta 10
Pregunta
Lining mucosa have many short rete pegs, masticatory mucosa have few tall rete pegs. The projections are for anchoring to the lamina propria
Respuesta
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Both true
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First true, second false
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First false, second true
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Both false
Pregunta 11
Pregunta
Which of the following is incorrect about age-related change of the oral cavity?
Respuesta
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Thinning of epithelium
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Decrease of filiform papillae
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Decrease of Langerhan cells
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Decrease of fibers in lamina propria
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Decreased wound healing
Pregunta 12
Pregunta
Compared to the integumentary skin, the oral mucosa displays a pale color. It has a moist, rough surface.
Respuesta
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Both true
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First true, second false
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First false, second true
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Both false
Pregunta 13
Pregunta
Which of the following is incorrect?
Respuesta
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The roof of the mouth has keratinized, stratified squamous epithelium
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The hard palate has unkeratinized stratified squamous epithelium.
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The masticatory mucosa features keratinized and parakeratinized stratified squamous epithelium
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The cheeks are lined with non-keratinized stratified, squamous epithelium
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The soft palate has unkeratinized stratified squamous epithelium.
Pregunta 14
Pregunta
Which of the following is incorrect
Respuesta
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There are tastebuds in the larynx and pharynx
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Waldeyer's ring connects the pharyngeal, palatine, and lingual tonsils
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Burton's lines are from lead intoxication
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Caviar tongue is caused by varicose veins on the underside of the tongue
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Tetracycline has been used to study the growth and development of human teeth
Pregunta 15
Pregunta
Which of the following is NOT a cell type found in taste buds?
Respuesta
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basal cell
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stem cell
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supporting cell
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receptor cell
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secretory cell
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