Cranial Nerves
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What are general afferent fibers? | Fibers which originate from the dorsal root ganglion
🗑
|
||||
| What are the two main types of general afferent fibers? | GSA and GVA
🗑
|
||||
| Generally, GSA includes which type of fibers? | Pain, temperature, touch, and proprioception
🗑
|
||||
| Generally, GVA includes which type of fibers? | Sensory impulses from the viscera
🗑
|
||||
| What are the two main types of general efferent fibers? | GSE and GVE
🗑
|
||||
| Generally, GSE includes which type of fibers? | Motor fibers that innervate the striate muscles derived from the myotomes of somites
🗑
|
||||
| Generally, GVE includes which type of fibers? | Fibers which innervate smooth muscles, cardiac muscles, and glands
🗑
|
||||
| What type of fibers does the Vagus nerve contain? | GSA, GVA, SVA, GVE, and SVE
🗑
|
||||
| Where do the fibers of the Vagus nerve originate from according to type? | GSA --> Superior sensory ganglion
GVA, SVA --> Inferior Sensory ganglion
GVE --> Dorsal Motor Nucleus
SVE --> Nucleus Ambiguus
🗑
|
||||
| What other nuclei do the fibers of the Vagus nerve run through? | GSA --> Spinal Trigeminal Nucleus
GVA --> Caudal part of the Solitary Nucleus
SVA --> Rostral part of the Solitary Nucleus
🗑
|
||||
| What is the function of the GSA fibers of the Vagus nerve? | Receive exteroception from the external ear
🗑
|
||||
| What is the function of the GVA fibers of the Vagus nerve? | Receive sensation from the pharynx, larynx, thoracic, and abdominal viscera
🗑
|
||||
| What is the function of the SVA fibers of the Vagus nerve? | Special sensation from the epiglottis
🗑
|
||||
| What is the function of the GVE fibers of the Vagus nerve? | Motor innervation of cardiac muscle, smooth muscle, and glands of the thorax and abdomen
🗑
|
||||
| What is the function of the SVE fibers of the Vagus nerve? | Supplies the muscles of the pharynx, larynx, and palate
🗑
|
||||
| What are the effects of Infranuclear Vagal Paralysis? | Paralysis of the Soft palate: nasal speech, regurgitation of fluids, and deviation of the uvula to the normal side
Paralysis of the larynx: Hoarseness of speech and paralysis of the vocal cord
Paralysis of the parasympathetic part: cardiac irregularity
🗑
|
||||
| What types of fibers does the Glossopharyngeal nerve contain? | GSA, GVA, SVA, GVE, and SVE
🗑
|
||||
| Where do the fibers of the Glossopharyngeal nerve originate from according to type? | GSA --> Superior sensory ganglion
GVA, SVA --> Inferior Sensory ganglion
GVE --> Inferior Solitary Nucleus
SVE --> Nucleus Ambiguus
🗑
|
||||
| What other nuclei do the fibers of the Glossopharyngeal nerve run through? | GSA --> Spinal Trigeminal Nucleus and pars caudalis
SVA --> Solitary nucleus
🗑
|
||||
| What is the function of the GSA fibers of the Glossopharyngeal nerve? | Exteroception from the retroauricular region
🗑
|
||||
| What is the function of the GVA fibers of the Glossopharyngeal nerve? | Pain, temperature, touch from posterior 1/3rd of tongue including upper pharynx, Eustachian tube, and middle ear/ carotid sinus and body / gag reflex
🗑
|
||||
| What is the function of the SVA fibers of the Glossopharyngeal nerve? | Sensation from the valate papillae
🗑
|
||||
| What is the function of the GVE fibers of the Glossopharyngeal nerve? | Innervation to the parotid gland, lesser petrosal nerve/ auricotemporal branch of mandibular
🗑
|
||||
| What is the function of the SVE fibers of the Glossopharyngeal nerve? | Innervation to the stylopharyngeus
🗑
|
||||
| What are the effects of Infranuclear Glossopharyngeal lesions? | Loss of the gag reflex due to lesions of the nucleus ambiguus
Loss of carotid sinus reflex
Loss of taste in the posterior third of the tongue
🗑
|
||||
| The spinal root of the Accessory Nerve arises from which nucleus? | Accessory
🗑
|
||||
| How does the spinal root of the Accessory Nerve enter the cranial cavity? | Via the Foramen Magnum
🗑
|
||||
| Which muscles does the spinal root of the Accessory Nerve supply? | SCM and Trapezius
🗑
|
||||
| The cranial root of the Accessory Nerve arises from which nucleus? | Caudal part of the Nucleus Ambiguus
🗑
|
||||
| The cranial root of the Accessory Nerve continues along which nerve? | The vagus nerve and is distributed through pharyngeal and laryngeal branches
🗑
|
||||
| Spinal accessory nerve lesions may result from: | Stab wounds
Removal of cancerous lymph nodes
🗑
|
||||
| What is the effect of Spinal accessory nerve lesion? | Proximal to the SCM --> atrophy and paralysis of the muscle and weakness on turning the head opposite to the side of the lesion
Atrophy of trapezius --> scalloping of the contour of the neck
🗑
|
||||
| What type of fibers does the Hypoglossal nerve contain? | Mainly GSE
🗑
|
||||
| What muscles does the Hypoglossal nerve innervate? | Intrinsic and Extrinsic muscles of the tongue not including the palatoglossus
Afferent proprioceptive fibers from the muscle spindles of the tongue muscles
🗑
|
||||
| What is the origin and course of the Hypoglossal nerve? | The Hypoglossal nucleus in the medulla oblongata lateral to the medial leminscus
Emerges on the ventral surface of the medulla between the pyramid and inferior olive
🗑
|
||||
| What is the effect of a Hypoglossal nerve lesion? |
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
Ulaisl
Popular Anatomy sets