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ECU Dysphagia > 1.1 Basic Anatomy > Flashcards

1.1 Basic Anatomy Flashcards

1
Q

What are the four Muscles of Mastication?

A

Temporalis

Masseter

Medial Pterygoid

Lateral Pterygoid

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2
Q

What muscles ELEVATE (close) the mandible?

A

Temporalis

Masseter

Medial Pterygoid

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3
Q

What innervates the Muscles of Mastication?

A

Trigeminal nerve

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4
Q

What muscles RETRACT the mandible?

A

Temporalis

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5
Q

What muscles DEPRESS (open) the mandible?

A

Lateral Pterygoid

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6
Q

What muscles Permits SIDE-TO-SIDE movement of the mandible?

A

Lateral Pterygoid

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7
Q

What muscles PROTRUDE the mandible?

A

Lateral Pterygoid

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8
Q

What innervates the Temporalis?

A

Trigeminal nerve

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9
Q

What does the Temporalis do?

2

A

Elevates (closes) mandible

Retracts mandible

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10
Q

What innervates the Masseter?

A

Trigeminal nerve

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11
Q

What does the Masseter do?

A

Elevates (closes) mandible

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12
Q

What innervates the Medial Pterygoid?

A

Trigeminal nerve

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13
Q

What does the Medial Pterygoid do?

A

Elevates (closes) mandible

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14
Q

What innervates the Lateral Pterygoid?

A

Trigeminal nerve

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15
Q

What does the Lateral Pterygoid do?

3

A

Depresses (opens) mandible

Protrudes mandible

Moves mandible side-to-side

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16
Q

What innervates the Muscles of the Face?

A

Facial nerve

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17
Q

What are the Muscles of the Face?

11

A

Orbicularis oris

Zygomaticus major

Zygomaticus minor

Levator labii superior

Levator labii superior alaeque nasi

Levator anguli oris

Depressor anguli oris

Depressor labii inferior

Mentalis

Risorius

Buccinator

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18
Q

What muscle draws upper lip upward and outward?

A

Zygomaticus minor

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19
Q

What muscle closes, opens, protrudes, inverts, and twists lips?

A

Orbicularis oris

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20
Q

What muscle raises the angle of the mouth?

A

Levator labii superior alaeque nasi

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21
Q

What muscles elevate the upper lip?

4

A

Levator labii superior

Zygomaticus major

Zygomaticus minor

Levator anguli oris

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22
Q

What is the smiling muscle?

A

Zygomaticus major

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23
Q

What muscle draws the angle of the mouth upward and backward?

A

Zygomaticus major

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24
Q

What muscle draws the angle of the mouth down and inward?

A

Depressor anguli oris

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25
Q

What muscle pushes up the lower lip?

A

Mentalis

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26
Q

What muscles depress the lower lip?

2

A

Depressor anguli oris

Depressor labii inferior

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27
Q

What muscle causes dimples?

A

Risorius

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28
Q

What muscle draws the corners of the mouth outward?

A

Risorius

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29
Q

What muscle gives an expression of strain to the face?

A

Risorius

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30
Q

What muscle holds food in contact with the teeth?

A

Buccinator

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31
Q

What muscle flattens the cheeks?

A

Buccinator

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32
Q

What muscle raises the chin?

A

Mentalis

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33
Q

What muscle retracts the angles of the mouth?

A

Buccinator

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34
Q

What does the Orbicularis Oris do?

5

A

Closes lips

Opens lips

Protrudes lips

Inverts lips

Twists lips

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34
Q

What innervates the Orbicularis oris?

A

Facial nerve

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35
Q

What does the Zygomaticus Minor do?

A

Draws upper lip upward and outward

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36
Q

What innervates the Zygomaticus minor?

A

Facial nerve

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37
Q

What does the Levator Labii Superior do?

A

Pulls up or elevates upper lip

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38
Q

What innervates the Levator labii superior?

A

Facial nerve

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39
Q

What does the Levator Labii Superior Alaeque Nasi do?

A

Raises angle of the mouth

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40
Q

What innervates the Levator labii superior alaeque nasi?

A

Facial nerve

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41
Q

What does the Zygomaticus Major do?

2

A

Draws upper lip upward

Draws angle of mouth upward and backward

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42
Q

What innervates the Zygomaticus major?

A

Facial nerve

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43
Q

What does the Levator Anguli Oris do?

A

Elevates corners of mouth

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44
Q

What innervates the Levator anguli oris?

A

Facial nerve

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45
Q

What does the Depressor Anguli Oris do?

2

A

Draws lower lip down

Draws angle of mouth down + inward

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46
Q

What innervates the Depressor anguli oris?

A

Facial nerve

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47
Q

What does the Depressor Labii Inferior do?

A

Depresses lower lip

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48
Q

What innervates the Depressor labii inferior?

A

Facial nerve

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49
Q

What does the Mentalis do?

2

A

Pushed up lower lip

Raises chin

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50
Q

What innervates the Mentalis?

A

Facial nerve

51
Q

What does the Risorius do?

3

A

Draws corners or angle of mouth outward

Causes dimples

Gives expression of strain to face

52
Q

What innervates the Risorius?

A

Facial nerve

53
Q

What does the Buccinator do?

3

A

Flattens cheek

Holds food in contact with teeth

Retracts angles of the mouth

54
Q

What innervates the Buccinator?

A

Facial nerve

55
Q

What are the Muscles of the Palate?

5

A

Levator veli palatini

Tensor veli palatini

Palatoglossus

Palatopharyngeus

Uvulae

56
Q

What innervates the Muscles of the Palate?

What is the exception?

A

Vegus nerve

Tensor veli palatini is innervated by the Trigeminal nerve

57
Q

What muscle raises the soft palate?

A

Levator veli palatini

58
Q

What muscle stretches the soft palate?

A

Tensor veli palatini

59
Q

What muscle raises the back of the tongue (during the 1st stage of swallowing)?

A

Palatoglossus

60
Q

What muscle shuts off the nasopharynx (during the 2nd stage of swallowing)?

A

Palatopharyngeus

61
Q

What muscle shortens and raises the uvula?

62
Q

What does the Levator Veli Palatini do?

A

Raises soft palate

63
Q

What innervates the Levator Veli Palatini?

A

Vegus nerve

64
Q

What does the Tensor Veli Palatini do?

A

Stretches soft palate

65
Q

What innervates the Tensor Veli Palatini?

A

Trigeminal nerve

66
Q

What does the Palatoglossus do?

3

A

Raises back of the tongue (during 1st stage of swallow)

Narrows fauces

Elevates posterior tongue

67
Q

What innervates the Palatoglossus?

2

A

Vegus nerve

Glossopharyngeal nerve

68
Q

What does the Palatopharyngeus do?

A

Shuts off nasopharynx (during 2nd state of swallow)

69
Q

What innervates the Palatopharyngeus?

A

Vegus nerve

70
Q

What does the Uvulae do?

A

Shortens and raises uvula

71
Q

What innervates the Uvulae?

A

Vegus nerve

72
Q

What are the Suprahyoid Muscles?

8

A

Mylohyoid (anterior belly digastric)

Digastric (anterior belly)

Geniohyoid

Stylohyoid

Hyoglossus

Genioglossus

Styloglossus

Palatoglossus

73
Q

What muscle elevates tongue and floor of mouth?

A

Mylohyoid (anterior belly digastric)

74
Q

What muscles depress jaw when hyoid is in fixed position?

3

A

Mylohyoid (anterior belly digastric)

Digastric (anterior belly)

Geniohyoid

75
Q

What muscle raises hyoid bone when jaw is in fixed position?

A

Digastric (anterior belly)

76
Q

What muscle draws hyoid bone forward?

A

Geniohyoid

77
Q

What elevates hyoid and tongue base?

A

Stylohyoid

78
Q

What muscle is involved in tongue depression?

A

Hyoglossus

79
Q

What muscle is involved in tongue protrusion and depression?

A

Genioglossus

80
Q

What muscle elevates the tongue up and back?

A

Styloglossus

81
Q

What muscle narrows the faces and elevates posterior tongue?

A

Palatoglossus

82
Q

What does the Mylohyoid do?

2

A

Elevates tongue + floor of mouth

Depresses jaw when hyoid bone is in fixed position

83
Q

What innervates the Mylohyoid?

A

Trigeminal nerve

84
Q

What does the Digastric do?

2

A

Raises hyoid bone if jaw is in fixed position

Depresses jaw when hyoid bone is in fixed position

85
Q

What innervates the Digastric?

A

Trigeminal nerve

86
Q

What does the Geniohyoid do?

2

A

Draws hyoid bone forward

Depresses mandible when hyoid bone is in fixed position

87
Q

What innervates the Geniohyoid?

A

Cervical nerves C1 + C2 through hypoglossal

88
Q

What does the Stylohyoid do?

A

Elevates hyoid and tongue base

89
Q

What innervates the Stylohyoid?

A

Facial nerve

90
Q

What does the Hyoglossus do?

A

Depresses tongue

91
Q

What innervates the Hyoglossus?

A

Hypoglossal nerve

92
Q

What does the Genioglossus do?

2

A

Protrudes tongue

Depresses tongue

93
Q

What innervates the Genioglossus?

A

Hypoglossal nerve

94
Q

What does the Styloglossus do?

A

Elevates tongue up and back

95
Q

What innervates the Styloglossus?

A

Hypoglossal nerve

96
Q

What nerve is involved in general sensation for the anterior 2/3 of tongue?

A

Trigeminal nerve (V)

97
Q

What nerve is involved in taste for the anterior 2/3 of tongue?

A

Facial nerve (VII)

98
Q

What nerve is involved in taste and general sensation for the posterior 1/3 of tongue?

A

Glossopharyngeal (IX)

99
Q

What nerve is involve in sensation for the tonsils, pharynx, and soft palate?

A

Pharyngeal branch of the Vegus nerve (X)

100
Q

What nerve is involve in sensation for the pharynx, larynx, and viscera?

(2)

A

Glossopharyngeal (IX)

Vegus (x)

101
Q

What afferent controls are supplied by the Trigeminal Nerve (V) when swallowing?

A

General sensation of the anterior 2/3 of tongue

102
Q

What afferent controls are supplied by the Facial Nerve (VII) when swallowing?

A

Taste in the anterior 2/3 of tongue

103
Q

What afferent controls are supplied by the Glossopharyngeal Nerve (IX) when swallowing?

A

Taste + general sensation in poster 1/3 of tongue

Secondary afferent info

104
Q

What afferent controls are supplied by the Internal Branch of the SNL (Vegus X) when swallowing?

A

Mucosa of valleculae (groove behind root of tongue)

105
Q

What afferent controls are supplied by the Pharyngeal Branch of Vegus Nerve (X) when swallowing?

A

Sensation of the tonsils, pharynx, and soft palate

106
Q

What afferent controls are supplied by the Vegus Nerve (X) when swallowing?

A

Sensation of the pharynx, larynx, and viscera

107
Q

What provides efferent innervations for Mastication?

A

Trigeminal Nerve (V)

108
Q

What provides efferent innervations for the Buccinators?

A

Trigeminal Nerve (V)

109
Q

What provides efferent innervations for the Floor of the Mouth?

A

Trigeminal Nerve (V)

110
Q

What provides efferent innervations for the Lip Sphincter?

A

Facial Nerve (VII)

111
Q

What provides efferent innervations for the Tongue?

A

Hypoglossal Nerve (XII)

112
Q

What provides efferent innervations for the Pharyngeal Constrictors + Stylopharyngeus

A

Glossopharyngeal (IX)

113
Q

What provides efferent innervations for the Palate?

A

Vegus Nerve (X)

114
Q

What provides efferent innervations for the Pharynx?

A

Vegus Nerve (X)

115
Q

What provides efferent innervations for the Larynx?

A

Vegus Nerve (X)

116
Q

What provides efferent innervations for the Esophagus?

A

Vegus Nerve (X)

117
Q

What efferent controls are supplied by the Trigeminal Nerve (V) when swallowing?

(3)

A

Mastication

Buccinators

Floor of Mouth

118
Q

What efferent controls are supplied by the Facial Nerve (VII) when swallowing?

A

Lip Sphincter

119
Q

What efferent controls are supplied by the Hypoglossal Nerve (XII) when swallowing?

120
Q

What efferent controls are supplied by the Glossopharyngeal Nerve (IX) when swallowing?

(2)

A

Pharyngeal Constrictors

Stylopharyngeus

122
Q

What efferent controls are supplied by the Vegus (X) when swallowing?

(4)

A

Palate

Pharynx

Larynx

Esophagus

123
Q

What is the Cricopharyngeal muscle?

2

A

Lays at base of pharynx and top of esophagus

Acts as a sphincter

124
Q

What is the name of the sphincter that separates the Esophagus from the Pharynx?

A

Upper Esophageal Sphincter (UES)

Pharyngeal Esophageal Segment (PES)

125
Q

What is the name of the sphincter that separates the Esophagus from the Stomach?

A

Lower Esophageal Sphincter (LES)

ECU Dysphagia (31 decks)

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