Liz Maas
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Liz Maas
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Oral Cavity (CF16)

Pregunta 1 de 15

1

Keratinized cells lose their nuclei and parakeratinized cells keep their nuclei. Parakeratinized nuclei are alive and functional

Selecciona una de las siguientes respuestas posibles:

  • Both statements true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 2 de 15

1

The basal layer divides constantly because it is the site of stem cells for the epithelium. All epithelia is vascularized

Selecciona una de las siguientes respuestas posibles:

  • Both true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 3 de 15

1

Which of the following is incorrect?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 4 de 15

1

Which of the following is incorrect?

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 5 de 15

1

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.

Selecciona una de las siguientes respuestas posibles:

  • Both true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 6 de 15

1

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.

Selecciona una de las siguientes respuestas posibles:

  • Both true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 7 de 15

1

Which of the following is incorrect

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 8 de 15

1

Mucoperiosteum has mostly collagen 3 and elastin. The oral mucosa has more adipocytes in its submucosal layer.

Selecciona una de las siguientes respuestas posibles:

  • Both statements true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 9 de 15

1

The lamina propria has more penetrance into the mucoperiosteum. Mucuperiosteum also has no submucosal layer.

Selecciona una de las siguientes respuestas posibles:

  • Both statements true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 10 de 15

1

Lining mucosa have many short rete pegs, masticatory mucosa have few tall rete pegs. The projections are for anchoring to the lamina propria

Selecciona una de las siguientes respuestas posibles:

  • Both true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 11 de 15

1

Which of the following is incorrect about age-related change of the oral cavity?

Selecciona una de las siguientes respuestas posibles:

  • Thinning of epithelium

  • Decrease of filiform papillae

  • Decrease of Langerhan cells

  • Decrease of fibers in lamina propria

  • Decreased wound healing

Explicación

Pregunta 12 de 15

1

Compared to the integumentary skin, the oral mucosa displays a pale color. It has a moist, rough surface.

Selecciona una de las siguientes respuestas posibles:

  • Both true

  • First true, second false

  • First false, second true

  • Both false

Explicación

Pregunta 13 de 15

1

Which of the following is incorrect?

Selecciona una de las siguientes respuestas posibles:

  • 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.

Explicación

Pregunta 14 de 15

1

Which of the following is incorrect

Selecciona una de las siguientes respuestas posibles:

  • 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

Explicación

Pregunta 15 de 15

1

Which of the following is NOT a cell type found in taste buds?

Selecciona una de las siguientes respuestas posibles:

  • basal cell

  • stem cell

  • supporting cell

  • receptor cell

  • secretory cell

Explicación