Past papers Flashcards
What is/are the visceral AFFERENT nucleus/ nuclei of vagus nerve?
lateral ala cinerea (solitary nucleus)
Which nucleus can be found in the facial colliculus?
Abducent nucleus with facial nerve looping around it
Which ganglion is responsible for the supply of palate glands?
Ptergopalatine ggl. (fibers from facial)
Which cranial nerve innervates the ciliary muscle?
Oculomotor n (short ciliary nerve)
Which funiculus of the spinal cord contains the pain fibers?
Anterolateral spinothalamnic (protopathic) (Spinal leminiscus?)
Which trigeminal nucleus contains epicritic information?
Principle (pontine)
Where is the third perikaryon for the pain conduction (trigeminal pathway) from the face?
VPM
Which tract terminates in the neocerebellum?
(Hemisphares) Pontocerebellar tract.
Which tract terminates in the Paliocerebellum?
(vermis) anterior and posterior spinocerebellar -(+reticulocerebellar)
Which tract terminates in the Archiocerebellum?
(nodule omg flocculus) vestibulocerebellar tract
Which tract terminates in the mammillary body?
Fornix (papes ring) Contines as mammillary thalamic tract from there)
Where is the injury in case of unilateral nasal hemianopia?
Optic nerve
in tract= loss in both = hennes svar
At which side of the optic nerve is the ciliary ganglion located?
Lateral to optic nerve (temporal)
From which pharyngeal pouch does the auditory tube develop?
First
Which ossicles develop from the first pharyngeal arch?
malleus and incus
Which ossicles develop from the second pharyngeal arch?
Stapes
Name a monosynaptic reflex arch in the brainstem
mesenteric reflex
Name a monosynaptic reflex arch in the spinal cord
strech reflex
Where is the second neuron in the olfactory pathway?
Olphactory bulb
Where is the first neuron in the olfactory pathway?
olfactory nerve comes from receptors directly (20 axons of receptors)
Where is the nucleus of the auditory pathway at the level of the mesencephalon?
Inferior colliculus
path of auditory pathway?
cholera spiral —->dorsal choclear nucleus-—>sup olivary——>trapezoid body connects)——>lat leminiscus to inf colliculus——> med. geniculate body.
Where is the corticospinal tract located in the mesencephalon?
Middle third of the Crus cerebri
What is the function of the corticonuclear fibers?
- conscious control of SM nuclei (CN 3,4,6, (12, 5motor))
Which nucleus gives preganglionic parasympathetic fibers to the laryngeal glands?
Medial ala cinerae (dorsal vagal nucleus)
Which nucleus gives brachiomotor (BM) fibers to glossopharyngeal nerve?
Ambigous
Which nucleus gives preganglionic parasympathetic fibers to the lacrimal glands?
Superior salivatory nucleus
Which nerve gives postganglionic parasympathetic fibers to the lacrimal glands?
V1,V2
Where does the fibers for lacrimal gland synapse?
(first bypasses the geniculate ggl without synapsing)
-in pterygopalatine ganglion
What kind of neurons are found in the spiral ganglion?
Bipolar
Mention a tract that terminates in the archicerebellum.
- vestibulocerebellar tract
Which nerve runs on the floor of the orbit?
- infraorbital nerve of trigeminal V2
Which nerve innervates the posterior 1/3 of the tongue? Give the nerve and the branch.
Glossopharyngeal via its lingual branch
Which pathway relays in the medial geniculate body?
Auditory