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Anatomy & Physiology > Swallowing > Flashcards

Swallowing Flashcards

1
Q

What are the 3 regions of the pharynx

A

Nasopharynx
Oropharynx
Laryngopharynx

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2
Q

What is the purpose of the pharynx?

A

Passage for food, liquids & air.

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3
Q

Which arch of the pharyngeal pouches becomes the pharynx?

A

The 4th.

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4
Q

What can close off the nasopharynx?

A

The uvula.

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5
Q

What are the 3 constrictors?

A

Superior, Middle, Inferior.

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6
Q

Name the Palatini muscles?

A

Levator veli palatini

Tensor veli palatini

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7
Q

What are the pharyngeal muscles?

A

Palatopharyngeal
Salpingopharyngeus
Palatopharyngeus
Stylopharyngeus

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8
Q

Which structures make up the pharyngeal plexus?

A

Glossopharyngeal, Vagus & Accessory nerve

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9
Q

What is the oropharynx the boundary of?

A

Superior boundary of the OROPHARYNX

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10
Q

What is the principle elevator of the soft palate?

A

Levator veli palatini

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11
Q

Name the muscles involved in raising the soft palate.

A

Tensor veli palatini, levator veli palatini, palatopharyngeus, uvulus & palatoglossus.

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12
Q

The soft palate is _/3 connective tissue & _/3 muscle.

A

The soft palate is 1/3 connective tissue & 2/3 muscle.

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13
Q

At rest the velum is RAISED/LOWERED?

A

LOWERED

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14
Q

Describe palatoglossus

A

Muscle
On roof of mouth
Depresses side of palate

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15
Q

Describe Palatopharyngeus

A

Muscle
On roof of mouth
Depresses palate & raises pharynx

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16
Q

Name the 5 palatal muscles

A 
Tensor palati
Levator veli palati
Palatoglossus
Palatopharyngeus
Uvulae
17
Q

Which nerve supplies most palatal muscles?

A

Vagus nerve CN X

18
Q

What are the 3 phases of swallowing?

A

Oral
Pharyngeal
Esophageal

19
Q

Describe the oral phase of swallowing

A

Lip closure
Manipulation of bolus
Soft palate against tongue

20
Q

Describe the pharyngeal phase of swallowing

A

Close off airways with epiglottis (covers aditus laryngis)
Velopharyngeal closure
False + True vocal folds seal off airways
Lifting of hyoid bone
Larynx brought forward
Movement of bolus down pharynx (peristalic action)

21
Q

Which stage of swallowing is voluntary?

A

Oral

22
Q

Which stage of swallowing is involuntary?

A

Pharyngeal + Esophageal

Anatomy & Physiology (5 decks)

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