Exam 2: Hypoglossal Nerve Quiz Questions Flashcards
The apparent origin of the hypoglossal nerve is between the ______ and ______
pyramid and olive (in the anterolateral sulcus)
Name the type of neurons in the nucleus of the hypoglossal nerve
multipolar neurons (motor)
The hypoglossal nerve exits the cranial cavity through the ______
hypoglossal canal in the occipital bone
name the related muscle where the hypoglossal nerve becomes superficial
the posterior belly of the digastric muscle
Name the intrinsic muscles of the tongue, which are innervated by the hypoglossal nerve
all the intrinsic muscles of the tongue except the palatoglossus:
- upper longitudinal muscles
- lower longitudinal muscles
- vertical muscles
- transverse muscles
Name the branch of the hypoglossal nerve which connects to the pharyngeal plexus on the occipital artery.
ramus lingularis vagi
near the anterior border of the hyoglossus, the hypoglossal nerve communicates to the __________ of ___________
lingual nerve of the mandibular division of the trigeminal nerve
The meningeal nerve of the hypoglossal nerve consists of the ______ and _____ nerve fibers
upper cervical nerves and superior cervical sympathetic plexus
The upper root of the ansa cervicalis is the branch of _____
descending branch of the hypoglossal nerve
name two muscles, which are innervated by the C1 component of the descending branch of the hypoglossal nerve.
superior and inferior bellies of omohyoid
Name the nerve of the hypoglossal nerve, which derived from the upper cervical nerves for sensory and from the superior cervical sympathetic ganglion.
meningeal branch at hypoglossal canal
Name the branch of hypoglossal nerve, which constitutes the upper root of the ansa cervicalis.
descending branch
name the muscles, which are innervated by the ansa cervicalis.
a) superior belly of omohyoid
b) sternohyoid
c) sternothyroid
d) inferior belly of omohyoid muscles
name the cervical nerve which form the ansa cervicalis.
descending branch of hypoglossal nerve, 2nd and 3rd cervical ventral rami
The unilateral lingual paralysis can cause______
hemiatrophy of the tongue