Chapter 13 Peripheral Nervous System Flashcards
What is the acronym of the 12 nerves?
on = olfactory nerve occasion = optic nerve our = oculomotor nerve trusty = trochlear nerve truck = trigeminal nerve at = abducens nerve first = facial nerve very = vestibulocochlear nerve good = glossopharyngeal nerve vehicle = vagus nerve any = accessory nerves how = hypoglossal nerve
What are the sensory nerves? (3)
olfactory nerve (1), optic nerve (2), vestibulocochlear nerve (8)
What are the motor nerves? (5)
oculomotor nerve (3), trochlear nerve (4), abducens nerve (6), accesory nerve (11), hypoglossal nerve (12)
What are the mixed nerves? (4)
trigeminal nerve (5), facial nerve (7) glossopharyngeal nerve (9), vagus nerve (10)
- Olfactory nerve - function
the olfactory nerve passes through the _____.
- smell
- cribriform plate of ethmoid
- Optic nerve - function
It involves 4 parts
- sight
- optic nerve, chiasma, tract, retina
- Oculomotor nerve - function (4)
It _____ the muscles that moves the eye.
- movement of eye, raise eyelid, adjust amount of light entering, and allow lens to focus
- innervate muscles that move the eye
- Trochlear nerve - function
carry motor impulses to voluntary muscles that move the eye
- trigeminal nerve
(Arise from the _____.)
(The 3 major branches are)
What does damage cause? What is it?
- pons
- opthalmic, maxillary, mandibular division
-trigeminal neuralgia: pain towards the eye, cheek, and jaw
- abducens nerve
(Arise from the _____) and enters the ____ and supply _____.
Arise from the pons and enters the orbits of the eye and supply motor.
- facial nerves
(Arise from the _____.) What are the 4 functions? What does damage cause? What is it?
-lower parts of the pons
functions:
- associated with taste receptors of tongue
- muscles of facial expression
- stimulate secretions from the tear and salivary glands
- autonomic nervous system
-bell’s palsy: muscle weakness in one side of the face
- vestibulocochlear nerve
(Arise from the _____.) What are the 2 branches, and what are their functions?
- medulla oblongata
- vestibular: maintain equ4ilibrium
- cochlear: hearing receptors (pass to the temporal lobe)
- glossopharyngeal nerve - function
swallowing
- vagus nerve
where does it origniate and end at?
Contains which 2 branches?
What are its 3 functions?
- originates in the medulla oblongata and extends into the chest & abdomen
- autonomic and somatic branches, predominantly autonomic
- speech, swallowing, motor activity of the smooth muscles/glands in the thorax/abdomen
- accessory nerves
Where does it carry impulses to? (3)
What movement does it allow?
carries impulses to muscles of the soft palate, pharynx, and larynx
shrugging of shoulders
- hypoglossal nerve
located in the _____.
Functions (3)
tongue
-speaking, chewing, swallowing
Which 4 nerves does the parasympathetic branch from?
oculomotor, facial, glossopharyngeal, vagus
- hypoglossal nerve
located in the _____.
Functions (3)
tongue
-speaking, chewing, swallowing
Which nerve is responsible for the autonomic nervous system?
facial nerve
What is the acronym for if it is sensory, motor, or both?
some say marry money but my brother says big business makes more
We have 8 pairs of _____ nerves.
cervical spinal
We have:
8 pairs of _____ nerve.
12 pairs of _____.
5 pairs of _____.
1 pair of _____.
8 = cervical spinal nerve 12 = thoracic spinal nerve 5 = sacral spinal nerve 1 = occygeal nerve
The awareness of stimulus (change in the ____ and____ enviornment) is called_____.
- sensation
- change in the internal and external enviornment
Perception is the _____ of the meaning of a _____. Where does it occur?
- conscious interpretation of the meaning of stimulus
- occurs in the brain.
