NEW
Font size
WorksheetsNeuroanatomy Quiz
Total questions: 20
Worksheet time: 10mins
What forms the floor of the fourth ventricle?
Tegmentum of pons and medulla oblongata
Corpus callosum
Optic chiasma
Crus cerebri
The apex of the fourth ventricle lies at the level of which structure?
Obex
Cerebral aqueduct
Foramen of Monro
Thalamus
The median aperture of the 4th ventricle is also called as?
Foramen of Magendie
Foramen of Monro
Foramen of Luschka
Aqueduct of Sylvius
Which structure forms the roof of the fourth ventricle?
Superior and inferior medullary vela
Choroid plexus
Tegmentum of midbrain
Pineal gland
What distinguishes sympathetic ganglia from spinal ganglia?
Sympathetic ganglia are motor, spinal ganglia are sensory
Spinal ganglia are motor, sympathetic ganglia are sensory
Both are motor
Both are sensory
Which decussation occurs at the lower closed part of medulla?
Pyramidal decussation
Sensory decussation
Optic chiasma
Corpus callosum
Which tracts cross in the sensory decussation of medulla?
Internal arcuate fibers
Corticospinal tract
Spinothalamic tract
Medial longitudinal fasciculus
Which nucleus is involved in medial medullary syndrome?
Hypoglossal nucleus
Vestibular nucleus
Facial nucleus
Dorsal nucleus of vagus
Which artery is occluded in lateral medullary syndrome?
Posterior inferior cerebellar artery (PICA)
Anterior spinal artery
Basilar artery
Middle cerebral artery
Which cranial nerve nuclei are affected in lateral medullary syndrome?
CN IX and X
CN III and IV
CN V and VI
CN VII and VIII
At the upper level of pons, which structures are seen prominently?
Superior cerebellar peduncle and 4th ventricle
Tegmentum of midbrain and substantia nigra
Inferior colliculus and crus cerebri
Optic tract and thalamus
Which tract is seen in the lower level of the pons?
Medial lemniscus
Corticobulbar tract
Inferior cerebellar peduncle
Trapezoid body
Boundary between pons and medulla on anterior surface is?
Pontomedullary junction
Interpeduncular fossa
Superior colliculus
Foramen caecum
How many recesses does the fourth ventricle have?
Three
Two
One
None
Which part of the 4th ventricle lies between the inferior cerebellar peduncles?
Lateral recess
Median aperture
Choroid plexus
Obex
The floor of 4th ventricle is also known as?
Rhomboid fossa
Trapezoid body
Basal plate
Olive
Which of the following is a feature of the TS at pyramidal decussation?
Decussation of corticospinal fibers
Decussation of internal arcuate fibers
Nucleus gracilis
Nucleus cuneatus
In sensory decussation which nuclei are seen?
Nucleus gracilis and nucleus cuneatus
Facial motor nucleus
Abducent nucleus
Edinger-Westphal nucleus
Which tract is not seen at the level of upper pons?
Spinothalamic tract
Lateral lemniscus
Medial lemniscus
Substantia nigra
What is the function of ansa cervicalis?
Supplies infrahyoid muscles
Motor supply to tongue
Sensation to scalp
Innervates diaphragm
