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anaphy BOOKBASED > Digestive System: Oral Cavity > Flashcards

Digestive System: Oral Cavity Flashcards

1
Q

2 regions of oral cavity or mouth

A

vestibule

oral cavity proper

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2
Q

is the space between the lips or cheeks and the teeth

A

vestibule

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3
Q

lies medial to the teeth.

A

oral cavity proper

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4
Q

is lined with moist stratified squamous epithelium, which protects against abrasion.

A

oral cavity

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5
Q

are muscular structures formed mostly by the orbicularis oris muscle and connective tissue

A

lips or labia

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6
Q

which are mucosal folds, extend from the alveolar process of the maxilla to the upper lip and from the alveolar process of the mandible to the lower lip

A

labial frenula

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7
Q

form the lateral walls of the oral cavity.

A

cheeks

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8
Q

rounds out the profile on the side of the face.

A

buccal fat pad

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9
Q

which flattens the cheek against the teeth,

A

buccinator muscle

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10
Q

roof of the oral cavity

A

palate

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11
Q

The anterior, bony part of the palate

A

hard palate

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12
Q

The posterior, nonbony part of palate which consists of skeletal muscle and connective tissue.

A

soft palate

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13
Q

is a posterior projection from the soft palate.

A

uvula

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14
Q

The posterior boundary of the oral cavity is the

A

fauces or throat

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15
Q

are in the lateral wall of the fauces

A

palatine tonsils

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16
Q

a large, muscular organ that occupies most of the oral cavity proper when the mouth is closed.

A

tongue

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17
Q

The anterior part of the tongue is relatively free, except for attachment to the floor of the mouth by a thin fold of tissue called____

A

lingual (tongue) frenulum.

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18
Q

category of divided muscles associated with the tongue which within the tongue itself,

A

Intrinsic muscles

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19
Q

category of divided muscles associated with the tongue which at outside the tongue but attached to it.

A

extrinsic muscles

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20
Q

A groove called the___________ divides the tongue into two parts.

A

terminal sulcus

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21
Q

Moist stratified squamous epithelium covers the tongue.

A

lingual tonsil

22
Q

(TRUE OR FALSE)

A

Adults normally have 32 teeth, which are distributed in two dental arches: the maxillary arch and the mandibular arch.

23
Q

(TRUE OR FALSE)
The teeth in each quadrant include one central and one lateral incisor, one canine, first and second premolars, and first, second, and third molars

A

true

24
Q

The teeth of the adult mouth

A

permanent teeth, or secondary teeth.

25
Q

Most of them are replacements for ____________, or primary teeth, also called milk teeth, which are lost during childhood

A

deciduous teeth

26
Q

(true or false)

Each tooth consists of a crown with one or more cusps (points), a neck, and a root

A

true

27
Q

is the part of the tooth exposed in the oral cavity.

A

clinical crown

28
Q

is the entire enamel-covered part of the tooth.

A

anatomical crown

29
Q

center of the tooth

which is filled with blood vessels, nerves, and connective tissue called pulp.

A

pulp cavity

30
Q

pulp cavity within the root

A

root canal

31
Q

nerves and blood vessels of the tooth enter and exit the pulp through a hole at the point of each root called ______________.

A

apical foramen

32
Q

The pulp cavity is surrounded by living, cellular, calcified tissue called_________.

A

dentin

33
Q

dentin of the tooth crown is covered by an extremely hard, nonliving, acellular substance called

A

enamel

34
Q

The surface of the dentin in the root is covered with a bonelike substance

which helps anchor the tooth in the jaw.

A

cementum

35
Q

along the alveolar processes of the mandible and maxilla.

A

alveoli

36
Q

Dense fibrous connective tissue and stratified squamous epithelium

cover the alveolar processes

A

gingiva

37
Q

secure the teeth in the alveoli.

A

Periodontal ligaments

38
Q

Food taken into the mouth

A

masticated, or chewed,

39
Q

Four pairs of muscles move the mandible during mastication

A

temporalis, masseter, medial pterygoid, and lateral pterygoid

40
Q

integrated in the medulla oblongata and controls the basic movements of chewing.

A

mastication reflex, or chewing reflex

41
Q

are scattered throughout the oral cavity.

A

salivary glands

42
Q

which are branching glands with clusters of acini resembling grapes

A

acinar glands,

43
Q

are serous glands, which produce mostly watery saliva;
they are located just anterior to the ear on each side of the head.

A

parotid glands

44
Q

exits the gland on its anterior margin, crosses the lateral surface of the masseter muscle, pierces the buccinator muscle, and enters the oral cavity adjacent to the second upper molar

A

parotid duct

45
Q

most common type of viral infection results in_____

A

mumps

46
Q

are mixed glands with more serous than mucous acini.

A

submandibular glands

47
Q

the smallest of the three large, paired salivary glands, are mixed glands containing some serous acini but consisting primarily of mucous acini.

A

sublingual glands

48
Q

The salivary glands secrete a large amount of _______at the rate 1-1.5 L/day
keeps the oral cavity moist which is needed for normal speech and for the suspension of food molecules in solution so they can be tasted; it begins the process of digestion; and it has protective functions.

A

saliva

49
Q

The serous part of saliva, produced mainly by the parotid and submandibular glands, contains a digestive enzyme called which breaks the covalent bonds between glucose molecules in starch and other polysaccharides to produce the disaccharides maltose and isomaltose

A

salivary amylase

50
Q

(TRUE OR FALSE)
Saliva also contains lysozyme, an enzyme that has a weak antibacterial action, and immunoglobulin A, which helps prevent bacterial infection.

A

true

51
Q

mucous secretions of the submandibular and sublingual glands contain a large amount of______ a proteoglycan that gives a lubricating quality to the secretions of the salivary glands.

A

mucin

anaphy BOOKBASED (11 decks)

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