Anatomy of the Pharynx

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Questions and Answers

Which muscle is NOT supplied by the cranial root of the accessory nerve through the pharyngeal plexus?

  • Palatopharyngeus
  • Salpingopharyngeus
  • Palatoglossus
  • Stylopharyngeus (correct)

Which artery is responsible for supplying the pharynx?

  • Lingual artery
  • Facial artery
  • Maxillary artery
  • All of the above (correct)

Where do the pharyngeal veins drain into?

  • Cavernous sinus
  • Pterygoid plexus
  • Internal jugular vein
  • Pharyngeal plexus (correct)

Which lymph nodes receive lymphatic drainage from the pharynx?

<p>All of the above (D)</p> Signup and view all the answers

Which nerve provides sensory supply to the oropharynx?

<p>Glossopharyngeal nerve (D)</p> Signup and view all the answers

Which of the following nerves gives sensory supply to the nasopharynx?

<p>Maxillary nerve (C)</p> Signup and view all the answers

What is the main function of the levator veli palatini muscle?

<p>Elevation of the soft palate (D)</p> Signup and view all the answers

Which artery supplies blood to the pharynx?

<p>Ascending pharyngeal artery (A)</p> Signup and view all the answers

Veins from the pharynx drain into which of the following plexus?

<p>Pharyngeal venous plexus (C)</p> Signup and view all the answers

Lymph from the pharynx drains into which of the following nodes?

<p>Deep cervical lymph nodes (C)</p> Signup and view all the answers

Which nerve provides sensory innervation to the pharynx?

<p>Glossopharyngeal nerve (A)</p> Signup and view all the answers

What is the function of the tensor veli palatini muscle?

<p>Tensing of the soft palate (D)</p> Signup and view all the answers

Which muscle is supplied by the mandibular nerve through the nerve to the medial pterygoid muscle?

<p>Tensor veli palatini (A)</p> Signup and view all the answers

What is the main function of the palatopharyngeus muscle?

<p>Elevation of the pharynx (A)</p> Signup and view all the answers

Which muscle is NOT part of the outer circular layer of the pharynx?

<p>Salpingopharyngeus (A)</p> Signup and view all the answers

Which artery supplies the pharynx between the lower border of middle constrictor and upper border of inferior constrictor?

<p>Superior laryngeal artery (D)</p> Signup and view all the answers

Which nerve is responsible for the sensory nerve supply of the pharynx between the lower border of middle constrictor and upper border of inferior constrictor?

<p>Internal laryngeal nerve (C)</p> Signup and view all the answers

Where does the lymphatic drainage of the palate occur?

<p>Lymph nodes (B)</p> Signup and view all the answers

Which structure is found in the lateral wall of the nasopharynx?

<p>All of the above (D)</p> Signup and view all the answers

Which muscle is NOT part of the inner longitudinal layer of the pharynx?

<p>Constrictors of the pharynx (B)</p> Signup and view all the answers

What is the length of the pharynx?

<p>13 cm (D)</p> Signup and view all the answers

What is the lower border of the pharynx?

<p>6th cervical vertebra (D)</p> Signup and view all the answers

Flashcards

Stylopharyngeus:

Does NOT receive supply from cranial root of accessory nerve via pharyngeal plexus.

Arteries supplying the pharynx:

Ascending pharyngeal, ascending palatine, facial, lingual, superior thyroid, and inferior thyroid arteries.

Pharyngeal veins drainage:

They drain into the pharyngeal plexus.

Lymph nodes draining the pharynx:

Parapharyngeal, submandibular, and deep cervical lymph nodes.

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Sensory supply to the oropharynx:

The glossopharyngeal nerve.

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Sensory supply to the nasopharynx:

Maxillary nerve

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Levator veli palatini function:

Elevation of the soft palate.

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Artery supplying blood to pharynx:

Ascending pharyngeal artery.

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Veins from the pharynx drain into:

Pharyngeal venous plexus

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Lymph from the pharynx drains into:

Deep cervical lymph nodes

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Sensory innervation to the pharynx:

Glossopharyngeal nerve.

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Tensor veli palatini function:

Tensing of the soft palate.

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Muscle supplied by mandibular nerve:

Tensor veli palatini

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Palatopharyngeus muscle function:

Elevation of the pharynx.

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Muscle NOT in outer circular layer of pharynx:

Salpingopharyngeus

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Artery supplying pharynx (lower middle/upper inferior constrictor):

Superior laryngeal artery

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Sensory nerve supply of the pharynx (lower middle/upper inferior constrictor):

Internal laryngeal nerve.

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Lymphatic drainage of the palate occurs:

Lymph nodes

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Structure in lateral wall of nasopharynx:

Auditory tube opening, tubal elevation, salpingopharyngeal fold

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Muscle NOT part of inner longitudinal layer of pharynx:

Constrictors of the pharynx

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Length of the pharynx:

13 cm

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Lower border of the pharynx:

6th cervical vertebra

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