Nucleus Flashcards
the following statements concerning the inferior salivatory nucleus is correct :
its located in the medulla oblongata
it supplies the parotid gland
it belongs to the glossopharyngeal nerve {ix)
its preganglionic parasympathetic fibers synapse in the otic ganglion
the following statements concerning the superior salivary nucleus is correct :
It belong to the CN vii{facial}
It includes lacrimal nucleus
It lies dorsolateral to the motor nucleus of facial nerve
it lies in the reticular formation
.
the following statements concerning the superior olivary nucleus is correct:
It is the first site in the brainstem where information from both ears converges
It plays role in sound localization and binaural processing
it is located in caudal pons
the following statements concerning the inferior olivary nucleus is correct:
Its fibers cross the midline
It extend almost to the pons
It is a small hollow mass of gray matter
It underlies the olive and pyramid
Its axon presents the climbing fibers
it is situated dorsolateral to the pyramid
Correct statements about the nucleus accumbens include:
It modulates hypothalamic activitie
its related apposed to the septal nuclei
Correct statements about the nucleus ambiguus include:
It supply the muscle of the pharynx
It lies deeply in the reticular formation
It supply the upper part of the esophagus
. It receives the sensory input from the sensory nuclei of the brainstem
Correct statements about the abducent nucleus include:
It produces facial collicle
It innervates via the medial longitudinal fasciculus the contralateral rectus muscle. It is pontine center for the lateral gaze
It receives command from the contralateral frontal eye field (area 8)
. It is a centar for the lateral conjugate gaze
it has large and smal multipolar neurone
Correct statements about the basal ganglia include:
direct pathways facilitate a flow of information through thalamus
direct pathways increase activity of the thalamus
Direct pathways increase activity of the cerebral cortex
Basal nuclei are lateral to the thalamus
They are located in the inferior part of each cerebral hemispheres
They include substantia nigra and pedunculopontine tegmental nucleus
Correct statements about the dentatae nucleus include:
it projects to the contralateral red nucleus
it belongs to the neocerebellum
it is sitesnear the white core of the hemisphere
It projects via the superior cerebellar peduncle to the contralateral red nucleus
It projects via the superior cerebellar peduncle to the inferior olivary nucleus
It projects via the superior cerebellar peduncle to the ventral lateral nucleus of thalamus
its not the smallest cerebellar nuclei
Correct statements about the lateral geniculate body include:
it is a visual relay nucleus
it receives retinal input via the optic tract
it projects to the primary visual cortex via optic radiation
its a part of metathalamus
It projects to the area 17
it is connected to the superior colliculus
it contains corticotectalfibers
Correct statements about the medial geniculate body include:
The medial geniculate body is an auditory relay nucleus
the following statements concerning the amygdaloid complex is correct:
It belongs to the limbic system
It lies anterior to the hippocampus
It evaluates the significance of enviromental events
Corticomedial grpoup receives olfactory input
It consists of corticomedial group and basolateral group of nuclei
Stria terminalis arise from the corticomedial group
Amygdaloid complex modulates the endocrine activities
Lesion of the amygdaloid body results in hypersexual behavior
Correct statements about the subthalamic nucleus include:
It has best developed in man
Its connections are essential part of indirect pathway underlying basal ganglia function
It is lens-shaped
It is located ventral to the zona incerta
it is the largest part of the ventral thalamus
its important for control of movement
. Correct statements about the mesencephalic nucleus include:
It subserves general sensory propriocetions from the head
It receives input from the temporomandibular joint
It projects to the trigeminal motor nucleus
It receives input from the extraocular muscle
it contains pseudounipolar neurons
it receives input from muscels of mastication
it is the main senory nucleus of the trigeminal nerve
. Correct statements about the habenular nucleus include:
Habenular nuclei project to the interpeduncular nucleus.
Habenular nuclei provide integration of olfactory, visceral and somatic afferents.
Habenular nuclei receive fibers from the amygdaloidal nuclei
Habenular nuclei receive fibers from the septal area
It is located deep to the floor of a habenular trigone
Nucleus habenule or habenule provide a nodal point for integration of considerable variety of visceral, olfactory and somatic afferent pathways
Many afferents to this nucleus run in the stria madullaris thalami
Correct statements about the suprachiasmatic nucleus include:
Suprachiasmatic nucleus is a part of the hypothalamus(medial zone)
It receives direct input from retina
It may mediate the circadian rhythms
It influences other hypothalamic nuclei
Correct statements about the mediodorsal nucleus (dorsomedial nucleus) of thalamus include:
it is a part of limbic system
it plays role in emotion and behavior
it receives input from the amygdaloid nucleus
it is reciprocally connected to the prefrontal cortex
it plays role in affective behavior
it has connections with orbitofrontal cortex
the following statements concerning the principal sensory nucleus of the trigeminal nerve is correct :
It is found in the pons
It receives tactile discriminative sensation from the face
It receives pressure sensation from the face
\It is situated lateral to the motor trigeminal nucleus
the following statements concerning the ventral posteromedial nucleus of thalamus is correct
It receives trigeminothalamic tracts
it recieve taste pathway
Correct statements about the reticular formation include
It consists of poorly defined groups of neurons
It receives information from spinal cord
States of consciousness are influenced by reticular formation
It sends information to autonomic and control centres
Correct statements about the ventral anterior nucleus of thalamus include:
It projects to the premotor cortex
It constitutes the anterior part of thalamus
It projects to the orbital cortical area
It projects to the prefrontal cortex
the following statements concerning the dorsal motor nucleus of CN X(vagus) is correct
It suplies the right part of the colon
It supplies trachea
It it supplies small intestine
its located in medulla oblongata
It suppllies the heart
it does not supplie larynx and pharyx
it supplie smooth muscle of bowl
It extends from S2-S4
Spinal trigeminal nucleus replaces Substantia gelatinosa of the spinal cord
The pontine nuclei are Cerebellar relay nuclei
the following statements concerning the red nucleus are correct:
It influences flexor muscles
It receives bilateral input from the cerebral cortex
It receives contralateral input from the cerebellar nuclei
It is ovoid in shape
the following statements concerning the hypoglossal nucleus true:
it blongs to medulla oblongata
it supplies the muscles of the tounge
the following statements concerning the oculomotor nucleus is true;
it projects crossed fibers to the superior rectus
it lies ventral to the cerebral aqueduct
it is the several nucleus
the following statements concerning the nucleus subthalamicus is true;
it is important in the control of movements
it is biconvex on coronal section
it is a part of ventral thalamus
it receives input from motor areas of cerebral cortex
the following statements concerning the caudate nucleus are correct:
it is a part of the corpus striatum
it is a part of neostriatum
it consists of head, body and tail
caudate nucleus is separated from the lentiform nucleus by the anterior limb of the internal capsule
correct statement about superior colliculus:
it recieve input area 19
superior colliculus is concerned with detection of movement in visual fields
it recieve auditory input from the inferior colliculus
