Pharynx - Severson Flashcards
Innervation of 3 pharyngeal constrictors?
Vagus nerve!
Innervation of stylopharyngeal muscle?
glossopharyngeal
Where do the tensor veli palatini originate?
The tensor veli palatini - takes origin from the pterygoid fossa located between the medial and lateral pterygoid plates
difference in innervation between the tensor veli palatini and the levator veli palatini?
Levator veli palatini = vagus nerve
(lift palate while swallowing)
Tensor veli palatini = Trigeminal 3
(tenses soft palate to open auditory tube)
Which of the following does NOT pass through the jugular foramen?
Accessory nerve Carotid nerve Glossopharyngeal nerve Inferior petrosal sinus Vagus nerve
Carotid nerve
The cervical sympathetic trunk is found in the:
carotid sheath. infrahyoid fascia. investing layer of fascia. pretracheal fascia or visceral fascia. prevertebral fascia. superficial fascia.
Prevertebral fascia
Which of the following nerves is NOT included in the pharyngeal plexus of nerves?
Glossopharyngeal nerve
Hypoglossal nerve
Vagus nerve
Hypoglossal nerve
What nerve innervates the stylopharyngeus muscle?
glossopharyngeal nerve
The vagus nerve provides motor innervation to all the pharyngeal muscles except:
The stylopharyngeal muscle
Gag reflex controlled by?
Afferent limb - CN IX
Efferent limb - CN X
What nerve must perforate the thyrohyoid membrane?
Internal Branch of the Superior Laryngeal Nerve
The palatine tonsil lies between what two structures?
The paltoglossal arch and the palatoopharyngeal arch
The palatoglossal and paltopharyngeal muscles are innervated by?
The vagus nerve
Which nerve provides taste fibers to the posterior 1/3 of the tongue?
Glossopharyngeal!
Remember anterior 2/3 is facial
Stylopharyngeus innervated by?
Glossopharyngeal -9
