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Histopathology > Exam I Practice Questions > Flashcards

Exam I Practice Questions Flashcards

1
Q

Cleft lip is from a defective fusion of:

A

Medial nasal process & maxillary process

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2
Q

Type of cyst that presents in the maxilla between the palatine shelves & palatine plate:

A

Nasopalatine

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3
Q

What derivative of mesoderm makes skeleton:

A

Somites (From paraxial mesoderm)

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4
Q

CASE STUDY: Extrusion of dura & arachnoid mater:

A

Meningocele

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5
Q

Facial nerve does special sensory to the anterior 2/3 of the tongue. Hypoglossal does sensory to anterior 2/3 of tongue:

A

First statement is true, second statement false

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6
Q

Thyroglossal duct cyst & lateral cervical cyst result from ducts & not from invaginating foramen cecum:

A

True

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7
Q

Median rhomboid glossitis is typically found on the lateral tongue & it is typically associated with candida

A

First statement is false, second statement is true

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8
Q

Cervical loops form between OEE & stratum intermedium. They form CEJ in adults:

A

First statement false, second statement true

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9
Q

Epithelial diaphragm determines:

A

Number of roots

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9
Q

Epithelial diaphragm determines:

A

Number of roots

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10
Q

Odontoma defects occur in the initiation stage. They result in small fragments of dentin, enamel & cementum:

A

Both statements true

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11
Q

Most common neoplastic lesion arising from odontogenic epithelium:

A

Ameloblastoma

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12
Q

Most common neoplastic lesson in jaw arising from odontogenic epithelium:

A

Ameloblastoma

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13
Q

Case study: Tubercle formation is a defect during cap stage. It is common on central incisors:

A

Both statements are true

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14
Q

What do neural crest cells not make:

A

Enamel

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15
Q

Case study: Missing six teeth:

A

Oligodontia

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16
Q

Twinning tooth with tooth count missing one:

A

Fusion

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17
Q

Dentigerous cyst:

A

Attached to CEJ, comprises 20% of all jaw cysts

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18
Q

OKC presents as multilocular lesions. 65% located in mandible

A

Both statements are true

19
Q

Appostitional growth can be found in tooth tooth growth. It is best see when enamel & dentin grow away from each other:

A

Both statements true

20
Q

Primary cuticle/Nasmyth’s membrane is comprised of what four layers?

A

OEE
Reduced ameloblasts (IEE)
Stellate reticulum
Stratum intermedium

21
Q

Dilaceration is caused by:

A

Hertwig’s tooth sheath

22
Q

Optical phenomenon from changed is enamel rod direction:

A

Hunter-Shreger bands

23
Q

What is false about enamel spindles:

A

They are hypermineralized

24
Q

Patient with excess fluoride would show:

A

Brown mottled spots

25
Q

What are enamel tufts made of:

A

Enameling & Tuftelin

26
Q

Dental follicle develops into all except:

A

Pulp

27
Q

The dental follicle develops into:

A

PDL
Cementum
Alveolar bone proper

28
Q

What does the dental papilla become:

A

Pulp

29
Q

Stratum intermedium produces:

A

Alkaline phosphatase

30
Q

Bud/cap stage consists of proliferation, differentiation & morphogenesis. Maturation stage consists of induction & proliferation:

A

First statement true, second statement false

31
Q

Where is apoptosis INITIALLY seen:

A

Bud stage

32
Q

Gnarled enamel is abrasion resistant. It is seen in the CEJ:

A

First statement true, second statement false

33
Q

Amelogenin moves towards ameloblasts where it is degraded. As this happens, the enamel crystals grow:

A

Both statements true

34
Q

Enamelin is the biggest protein. Based on its position it helps crystals grown & nucleate:

A

Both statements are true

35
Q

Enamel typically does not have tensile strength & has elastic properties…flexible

A

True

36
Q

Radiograph pic of cyst attached to CEJ

A

Dentigerous cyst

37
Q

Defect of spinal cord not fusing all the way:

A

Spina bifida

38
Q

Conscience question: occurs during what stage

A

Apposition/maturation

First statement true, second statement false

39
Q

T/F: Primitive stream invaginates to form mesoderm

A

True

40
Q

T/F: Tuftelin links enamel & cementum:

A

False

Tuftelin links enamel & dentin

41
Q

What arch/structure does the anterior 2/3 of the tongue come from:

A

1st- lateral lingual swellings

42
Q

Patient presents with a large swelling on neck. Upon examination you notice the swelling is aligned with the sternocleidomastoid muscle. What is the possible diagnosis?

A

Lateral cervical cyst from cervical sinus

43
Q

Case study:

A patient has an OKC cyst, upon biopsy what would be found in the lumen?

A

Keratin

44
Q

What is true about CEP’s?

A
  1. Periodontal issues
  2. Present in mandibular molars
  3. Ameloblasts that have migrated to the root
  4. one more

(all true)

45
Q

Something about the sequence of reciprocal induction with odontoblasts secreting mantle dentin & ameloblasts secrete enamel matrix:

A

True

Histopathology (15 decks)

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