fin old Flashcards
In the olfactory system glumeruli are formed by dendrites on:
mitral and tufted cells
The tensor tympani muscle is innervated by the mandibular nerve bc
it came from the first pharyngeal arch
The pyriform cortex of the olfactory system is located on the
lateral olfactory stria
Internal grannual cells within the olfactory bulbs produce inhibitory post synaptic potentials
true
The SSA functional component in CN 2 is so designated bc
the retinas arise from ectoderm
This nerve is coming off the stylomastoid foramen and has the SVA; functional component
that innervates to the taste and anterior 2/3 of the tongue.
Facial
Which functional component of the gossopharyngeal nerve supplies to both the otic
ganglion and parotid gland?
GVE
This nerve is a part of the preganglionic fibers which extends to and terminates in the
outlying prevertebral ganglia.
Splanchnic
Which of the following muscles are innervated by the oculomotor nerve except:
superior oblique
Which of the following structure(s) supplies to the somatic muscle?
Nucleus ambiguus
Which of the following structure(s) is a part of the functional components except:
SSA
there are no parasympathetic supply to the periphery of the body
true
Which of the followings can be developed from the mesoderm of the pharyngeal arch 1?
Mylohyoid
tensor tympani
anterior belly of digastric
The meninges of the posterior cranial fossa are innervated by
IV and X
The GVE functional component in cranial nerve VII supplies which structures
lacrimal and salivatory glands
Which muscle is not innervated by the SVE functional component of cranial nerve X
tensor vali palintini is V3
The SVE functional component in cranial nerve V is so designated bc it innervates
branchomeric muscle
The GSE functional components in the oculomotor nerve is so designated bc
the extraocular muscles arise from preotic somites
Smell is relayed through the dorsal thalamus
false
Olfactory bulbs contain internal granule cells and periglomerular cells
true
The modalitites of touch and pressure from the face and scalp are received by the
chief sensory nucleus
optic nerve is covered by dura mater
true
Acetylcholine is the neurotransmitter that can be used by both the sympathetic and
parasympathetic neurons of the ANS.
true
The sympathetic is associated with the nerve roots of the lower brachial plexus.
true
Which of the following nerve(s) is associated for the cornea reflex?
CN V and CN VII
Which of the following cranial nerves are considered as parasympathetic in function?
3, 7, 9, 10
The recurrent laryngeal nerve is a branch of the
vagus nerve
Which nucleus is not in the GVE cell column at the brainstem
facial
The sensory route of the trigeminal nerve carries which functional component and modality
GSA proprioception
The GSA functional component in cranial nerves IV and X has its cells of origin in the inferior ganglion of each nerve
false
The functional component of the hypoglossal nerve is
GSE
A functional component which cranial nerves III, VII, IX and X have in common is GSA.
false (should 5,7,9,10)
The superior laryngeal nerve is a branch of the
vagus
Which nucleus is not the GSE cell column of the brainstem
Nucleous ambiguous
The motor route of the trigeminal nerve carries which functional component and modality
GSA, proprioception and SVE
The GVA functional component in cranial nerves 9,10 has its cells of origin in the inferior ganglion of each nerve
true
Which does not belong in the palecpaltion
olfactory tract
Which functional component do cranial nerves 3, 7, 9 and 10 have in common
GVA or GVE
Which cranial nerve has an SVA function component from taste buds on the posterior one third of the tongue
glossopharyngeal
The SVE functional component in cranial nerve 5 is so designated bc it innervates
brachiomeric muscle
The GSE functional component in the hypoglossal nerve is so designated bc
the tongue muscle arises from somites
Phylogenetialy, smell is the oldest sense
false
olfactory glomerioli are composed of dendrites of internal granual cells and peri glomerioler cells
true
The cranial nerve that has nuclei for separate modalities of the GSA functional component is
5
The optic nerve is covered by epineurium
false (dura mater)
Which cranial nerve is fully crossed before emerging form the brain stem
trochlear
The GSE functional component of this nerve gives rise to the innervation of an intrinsic
muscle of the tongue.
hypoglossal
The important characteristic of this nerve is that its origin coming all the way from the Posterior aspect of the brainstem.
trochlear
This cranial nerve has a SVA functional component that gives rise to the posterior third of
the tongue.
glossopharyngeal
The GSA functional component of this nerve gives off a branch which innervates to the
muscles of mastication.
mandibular
Which of the following nerve(s) comes off of the superior orbital fissure and gives rise to
the chief sensory nucleus to supply the eyeball and nasal cavity.
trigeminal
Which nerve runs with the hypoglossal n?
A. Geniohyoid
All of the following are Machanoreceptors except
thermoreceptors
What is the fluid in the scala tympani?
perilymph
In what substance are the stereocilia of the spiral Organ haircells embedded
otolithic membrane
What dermatome is at the umbilicus?
t10
At the end of the paravertebral ganglion is the
ganglion impars
Which fiber type response to stretch (as in the new tap reflex)?
alpha
What cranial nerve delivers presynaptic parasympathetic fibers to abdominal viscera
vagus
The glossopharyngeal nerve provides parasympathetic innervation to the
parotid gland
The sympathetic division of the ANS is also referred to as the
Thoracolumbar division
The greater occipital nerve is derived from
dorsal rami of C2
Which nerve pierces the anterior surface of the psoas major, runs inferiorly and innervates the genitalia and femoral triangle?
genitofemoral
the tympanic nerve is a branch from which cranial nerve
glossopharyngeal
What type of fibers are in the main facial root (facial nerve proper)?
motor
What nerve provides the preganglionic GVE innervation to the submandibular ganglion?
chords tympani (also has SVA fibers)
cervical plexus =
c1-c4
Crossed effects are associated with which reflex
withdrawal
which fiber transmits signals the slowest?
C (unmyelinated and small)
connective tissue layer that encloses a nerve?
epineurium
Special functional components get their name because
They are derived from the pharyngeal arches
Compensatory I movement is stimulated by activating the
superior olive
the fibers from the lateral half of the retina cross the optic chiasm
false
Which organelle produces glycoproteins and lysosomes
golgi body
Which supraclavicular branch is also known as the anterior branch?
medial
What cranial opening does the trochlear nerve pass through?
SOF
A patient comes in having burn the tip of his tongue what nerve was stimulated
mandibular
The Pudendal nerve originates from the anterior division of
S2,3,4
What root contributes to the phrenic nerve?
C3,4,5
The ciliary body is in the same optical layer as?
choroid
What ganglion does the preganglionic parasympathetic fibers of the oculomotor nerve synapse in?
ciliary
What cranial opening does the vagus nerve pass through to exit the skull?
jugular
The olfactory tract are the axon’s of which cells?
mitral
Which nerve branches directly from a root?
long thoracic
Which roots contribute to the radial nerve?
C5,6,7,8, T1
Which cranial nerve exit caudal to the inferior colliculus?
trochlear
which is a vagus nerve ganglion?
nodose
