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Oral Cavity (CF16)

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Liz Maas
Quiz by Liz Maas, updated more than 1 year ago
Liz Maas
Created by Liz Maas about 8 years ago
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Resource summary

Question 1

Question
Keratinized cells lose their nuclei and parakeratinized cells keep their nuclei. Parakeratinized nuclei are alive and functional
Answer
  • Both statements true
  • First true, second false
  • First false, second true
  • Both false

Question 2

Question
The basal layer divides constantly because it is the site of stem cells for the epithelium. All epithelia is vascularized
Answer
  • Both true
  • First true, second false
  • First false, second true
  • Both false

Question 3

Question
Which of the following is incorrect?
Answer
  • Demosomes are found in the prickle cell layer
  • Hemidesmosomes attach epithelial cells to the basal lamina
  • Parakeratinized cells can be found in masticatory mucosa
  • The hard palate has keratinized stratified squamous epithelium
  • The soft palate is highly vascularized and keratinized

Question 4

Question
Which of the following is incorrect?
Answer
  • The filiform papillae are keratinized
  • The fungiform papillae have taste buds
  • The fungiform and filiform papillae are mostly found towards the midline of the tongue
  • The Von Ebner glands are found within circumvallate papillae
  • The circumvallate papillae is filled with saliva

Question 5

Question
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.
Answer
  • Both true
  • First true, second false
  • First false, second true
  • Both false

Question 6

Question
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.
Answer
  • Both true
  • First true, second false
  • First false, second true
  • Both false

Question 7

Question
Which of the following is incorrect
Answer
  • Coated tongue is from colonization of bacteria or fungi trapped between small nodules
  • Leukoplakia is a disorder of the immune system which causes white patches in the mouth.
  • Oral lichen planus causes lacy white streaks and patches in the mouth and tonuge
  • Thrush causes sore white plaques via yeast infection
  • Black hairy tongue is hypertrophy of filiform papillae and possible infection by chromogenic bacteria

Question 8

Question
Mucoperiosteum has mostly collagen 3 and elastin. The oral mucosa has more adipocytes in its submucosal layer.
Answer
  • Both statements true
  • First true, second false
  • First false, second true
  • Both false

Question 9

Question
The lamina propria has more penetrance into the mucoperiosteum. Mucuperiosteum also has no submucosal layer.
Answer
  • Both statements true
  • First true, second false
  • First false, second true
  • Both false

Question 10

Question
Lining mucosa have many short rete pegs, masticatory mucosa have few tall rete pegs. The projections are for anchoring to the lamina propria
Answer
  • Both true
  • First true, second false
  • First false, second true
  • Both false

Question 11

Question
Which of the following is incorrect about age-related change of the oral cavity?
Answer
  • Thinning of epithelium
  • Decrease of filiform papillae
  • Decrease of Langerhan cells
  • Decrease of fibers in lamina propria
  • Decreased wound healing

Question 12

Question
Compared to the integumentary skin, the oral mucosa displays a pale color. It has a moist, rough surface.
Answer
  • Both true
  • First true, second false
  • First false, second true
  • Both false

Question 13

Question
Which of the following is incorrect?
Answer
  • The roof of the mouth has keratinized, stratified squamous epithelium
  • The hard palate has unkeratinized stratified squamous epithelium.
  • The masticatory mucosa features keratinized and parakeratinized stratified squamous epithelium
  • The cheeks are lined with non-keratinized stratified, squamous epithelium
  • The soft palate has unkeratinized stratified squamous epithelium.

Question 14

Question
Which of the following is incorrect
Answer
  • There are tastebuds in the larynx and pharynx
  • Waldeyer's ring connects the pharyngeal, palatine, and lingual tonsils
  • Burton's lines are from lead intoxication
  • Caviar tongue is caused by varicose veins on the underside of the tongue
  • Tetracycline has been used to study the growth and development of human teeth

Question 15

Question
Which of the following is NOT a cell type found in taste buds?
Answer
  • basal cell
  • stem cell
  • supporting cell
  • receptor cell
  • secretory cell
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