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Dental Sciences > Dental Sciences: Test 4 > Flashcards

Dental Sciences: Test 4 Flashcards

1
Q

What are the 4 basic tissues?

A

epithelium, connective tissue, muscle, nervous

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2
Q

What is the Cell membrane?

A

the wall that keeps cellular fluid in and unnecessary foreign materials out

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3
Q

Cytoplasm

A

area inside cell membrane is a fluid medium

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4
Q

Mitochondria

A

responsible for energy production and for the rate at which the cell uses energy

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5
Q

Endoplasmic Reticulum

A

responsible fore the manufacture of various products to be used inside or outside the cell

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6
Q

Golgi apparatus

A

thin membrane to surround the material produced by the endoplasmic reticulum so it can be moved around

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7
Q

How many layers are in simple epithelium?

A

Single-layer

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8
Q

How many layers are in stratified epithelium?

A

Double-layer

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9
Q

What is Simple cuboidal or simple columnar epithelium?

A

lines digestive tract, found in ducts of various glands (kidney, salivary glands, pancreas, and others

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10
Q

Pseudostratified columnar epithelium

A

“falsely layered epithelium” contains cilia (small hairlike projections

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11
Q

What is the most common type of epithelium?

A

Stratified squamous

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12
Q

This makes up the mucosa of the oral cavity

A

Stratified squamous

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13
Q

Exocrine glands

A

carry away by ducts leading from glands

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14
Q

Endocrine glands

A

ducts are lost after the gland develops and whose products are carried away from gland in the bloodstream

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15
Q

Salivary glands produce what 3 types of secretions?

A

Serous, Mucous, Seromucous

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16
Q

Serous secretion

A

thin watery substance containing most of digestive enzymes found in saliva

17
Q

Mucous secretion

A

thicker more viscous substance

18
Q

Seromucous secretion

A

produced by many of the glands that have both serous and mucous

19
Q

Fibroblast

A

cell that sprouts for forms fibers (collagen fibers)

20
Q

this attaches the tooth to its socket

A

Collagen fibers

21
Q

Special connective tissue

A

Cartilage, Bone, Blood

22
Q

What is fibrocartilage and where is it found?

A

cushioning substance found in TMJ

23
Q

What is the composition of Bone Structure?

A

50% hydroxyapatite crystals with the rest collagen, ground substance, and water

24
Q

What is Sickle Cell Anemia?

A

RBC’s are c-shaped rather than round and lack sufficient hemoglobin

25
Q

What are the 2 groups of WBC’s?

A

Granulocytes and Agranulocytes

26
Q

The primitive oral depression is know as?

A

Stomedeum

27
Q

If the migration of the connective tissue of the upper lip fails, it will result in a separation between medial nasal process and maxillary process known as?

A

cleft lip

28
Q

Cleft lip takes place by about the ___ embryonic week

A

6th

29
Q

If a cleft palate is going to develop, it will begin between the ___ and the ____ week

A

7th and 11th

30
Q

Two most common types of cleft lip are:

A

Unilateral and Bilateral clefts

31
Q

First signs of tooth development is seen when?

A

6th embryonic week

32
Q

continued thickening of dental lamina in 10 areas of upper arch and 10 areas of lower arch at about the ____ embryonic week?

A

8th

33
Q

The initial budding from the dental lamina at the 10 thickened areas in each arch is referred to as:

A

Bud stage

34
Q

This is the hardest structure of the body:

A

Enamel

35
Q

What are the %s of enamel?

A

96% inorganic in composition- hydroxyapatite

4% composed of water and fibrous in organic material

36
Q

This is made up of hydroxyapatite crystals and is primary unit pf enamels structure:

A

Enamel rod

37
Q

The final job of ameloblast is to lay down a protective layer over the enamel, called the:

A

Primary enamel cuticle or Nasmyth’s Membrane

38
Q

When the tooth erupts into the oral cavity, the dentin that has formed by that time is known as

A

Primary Dentin

Dental Sciences (5 decks)

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