Quiz Review Pt 2 Flashcards
Which for he following is not a midbrain structure
3rd ventricle
Cerebral peduncle
Red nucleus
3rd ventricle
Pontine nucleus in the base receive corticopontine fibers and give rise to the ___
Transverse fibers
Internal arcuate fibers
Facial colliculus
Transverse fibers
Major blood supply to the midbrain is provided by the ___ artery
Posterior cerebral
Posterior inferior cerebellar
Superior cerebellar
Posterior cerebral
The vital centers fo the control of heart rates, respiration, and blood pressure are located in the ___
Medulla
Pons
Midbrain
Medulla
Nucleus ambiguus contributes to the cranial nerves
VII, IX, X
IX, X, XI
IX, X, XII
IX, X, XI
Corticobulbar fibers arise from ___
Precentral gyrus and premotor cortex
Precentral and postcental gyri
Prefrontal and premotor cortex
Precentral and postcental gyri
Nuclei of cranial nerves V,VI,VII can be found in the ____
Medulla
Pons
Midbrain
Pons
Which artery does not provide blood supply to the pons?
Superior cerebellar
Anterior Inferior cerebellar
Posterior inferior cerebellar
Posterior inferior cerebellar
Which lemniscus is not present at the level of the superior colliculus?
Medial
Spinal
Lateral
Lateral
CN XII can be found in the ___
Preolivary sulcus
Postolivary sulcus
Anterior median sulcus
Preolivary sulcus
Bluish-gray superior part of the sulcus limitans is called ___
Substantia nigra
Raphe nucleus
Substantia ferruginea
Substantia ferruginea
The canal connecting the 3rd and 4th ventricles and running through the midbrain is the ___
Foramen of Monro
Cerebral aqueduct
Canal of Schlemm
Cerebral aqueduct
Which of the following would supply blood to the medulla?
Anterior spinal arteries
Anterior inferior cerebral artery
Anterior communication artery
Anterior spinal artery
—AICA= pons
—-PICA= dorsal lateral medula
The largest nuclear mass in the midbrain is the ___
Red nucleus
Substantia nigra
Mesencephalic nucleus
Substantia nigra
The brain area that regulates activities that control the state of wakefulness of alertness of the cerebral cortex is the ___
Reticular formation
Substantia nigra
Inferior olivary nucleus
Reticular formation
Which statement is correct about the corticobulbar innervation of the motor nucleus of CN VII?
Bilateral for the upper face motor neurons but contralateral for the motor neurons of the lower face
Bilateral for the upper face motor neurons but ipsilateral for the motor neurons of the lower face
Ipsilateral for the upper face motor neurons but contralateral for the motor neurons fo the lower face
Ipsilateral for the upper face motor neurons but contralateral for the motor neurons fo the lower face
Corticospinal fibers can be found in the ___ of gthe crus cerebr
Lateral part
Middle
Medial part
Middle
Arcuate nuclei are ___
Inferiorly displaced pontine nuclei
Site of origin of internal arcuate fibers
Part of the trapezoid body
Inferiorly displaced pontine nuclei
Which brainstem structure has rectus?
Medulla
Pons
Midbrain
Midbrain
What is the largest thalamus nucleus?
Putamen
Uncus
Pulvinar
Pulvinar
Posterior limb of the internal capsule can be found between the ___
Caudate and lentiform nuclei
Caudate nucleus and thalamus
Thalamus and lentiform nucleus
Thalamus and lentiform nucleus
Medial lemniscus terminates in the ___ nucleus of the thalamus
Ventral posterolateral
Medial geniculate
Mediodorsal
Ventral posterolateral
Which thalamus nucleus is a component of the Papez circuit?
Anterior
Mediodorsal
Ventral posteroinferior
Anterior
Trigeminothalamic tracts terminate in the ventral ___ nucleus.
Posterolateral
Posteromedial
Posterinferior
Postermedial
Corticospinal fibers can be found in the ___ of the internal capsule
Anterior limb
Posterior limb
Genu
Posterior limb
Lateral geniculate body projects to the ___
Uncus
Cuneus
Locus ceruleus
Cuneus
Which thalamus nucleus receives SVA fibers
VPL
VPM
VPI
VPM——taste
Which thalamus nucleus receives auditory input via the brachium of the inferior colliculus?
Medial geniculate
Ventral posteromedial
Mediodorsal
Medial geniculate