Podcast
Questions and Answers
The visual pathway begins when light is refracted through the pupil.
The visual pathway begins when light is refracted through the pupil.
False
The image is processed through the auditory pathway in the brain.
The image is processed through the auditory pathway in the brain.
False
The optic nerve is formed by the retinal ganglion cells and bipolar cells.
The optic nerve is formed by the retinal ganglion cells and bipolar cells.
False
The optic chiasm is located at the posterior part of the sella turcica.
The optic chiasm is located at the posterior part of the sella turcica.
Signup and view all the answers
The nasal fibers of each retina do not cross at the optic chiasm.
The nasal fibers of each retina do not cross at the optic chiasm.
Signup and view all the answers
The optic tracts go to the primary visual cortex (BA 17) without passing through the LGB/LGN.
The optic tracts go to the primary visual cortex (BA 17) without passing through the LGB/LGN.
Signup and view all the answers
The photoreceptors in the retina communicate with the ganglion cells directly.
The photoreceptors in the retina communicate with the ganglion cells directly.
Signup and view all the answers
The light is converted into electrical impulses in the optic chiasm.
The light is converted into electrical impulses in the optic chiasm.
Signup and view all the answers
The primary visual cortex is located at the frontal lobe.
The primary visual cortex is located at the frontal lobe.
Signup and view all the answers
When the head turns to the left, the eye turns to the left to prevent the image of interest from moving away during head movement.
When the head turns to the left, the eye turns to the left to prevent the image of interest from moving away during head movement.
Signup and view all the answers
The Retinal Field Reflex is a type of reflex that is involved in the pupillary light reflex.
The Retinal Field Reflex is a type of reflex that is involved in the pupillary light reflex.
Signup and view all the answers
The right frontal eye field fires when we want to look to our right.
The right frontal eye field fires when we want to look to our right.
Signup and view all the answers
The Medial Longitudinal Fasciculus (MLF) is a structure involved in the pathway of extraocular movements.
The Medial Longitudinal Fasciculus (MLF) is a structure involved in the pathway of extraocular movements.
Signup and view all the answers
The saccadic system is responsible for smooth eye movement.
The saccadic system is responsible for smooth eye movement.
Signup and view all the answers
The superior colliculus is involved in the smooth pursuit pathway.
The superior colliculus is involved in the smooth pursuit pathway.
Signup and view all the answers
The Paramedian Pontine Reticular Formation (PPRF) is a command center for smooth pursuit movements.
The Paramedian Pontine Reticular Formation (PPRF) is a command center for smooth pursuit movements.
Signup and view all the answers
The trochlear nucleus supplies the inferior oblique muscle.
The trochlear nucleus supplies the inferior oblique muscle.
Signup and view all the answers
The Lateral Geniculate Body (LGB) is a structure involved in the pupillary light reflex pathway.
The Lateral Geniculate Body (LGB) is a structure involved in the pupillary light reflex pathway.
Signup and view all the answers
The posterior commissure is where some fibers cross and some do not cross in the vertical saccade pathway.
The posterior commissure is where some fibers cross and some do not cross in the vertical saccade pathway.
Signup and view all the answers
The Internal Carotid Artery (ICA) is a structure involved in the neuroanatomical basis of ocular movements.
The Internal Carotid Artery (ICA) is a structure involved in the neuroanatomical basis of ocular movements.
Signup and view all the answers
The Rostral Internucleus of MLF (RiMLF) is a structure involved in the pathway of saccadic movements.
The Rostral Internucleus of MLF (RiMLF) is a structure involved in the pathway of saccadic movements.
Signup and view all the answers
The vergence pathway utilizes the saccadic pathway.
The vergence pathway utilizes the saccadic pathway.
Signup and view all the answers
Visual impulses from BA 18 and 19 are contralateral in the smooth pursuit pathway.
Visual impulses from BA 18 and 19 are contralateral in the smooth pursuit pathway.
Signup and view all the answers
Lesions of the Visual Pathway can cause a Relative Afferent Pupillary Defect (RAPD).
Lesions of the Visual Pathway can cause a Relative Afferent Pupillary Defect (RAPD).
Signup and view all the answers
The Brodmann Area (BA) is a structure involved in the pupillary light reflex pathway.
The Brodmann Area (BA) is a structure involved in the pupillary light reflex pathway.
Signup and view all the answers
The optic radiation is involved in the vergence pathway.
The optic radiation is involved in the vergence pathway.
Signup and view all the answers
The Semicircular Canal (SCC) is a structure involved in the vestibular system, but not in the visual pathway.
The Semicircular Canal (SCC) is a structure involved in the vestibular system, but not in the visual pathway.
Signup and view all the answers
The superior visual field is projected to the inferior hemiretina.
The superior visual field is projected to the inferior hemiretina.
Signup and view all the answers
The nasal visual field is projected to the nasal hemiretina.
The nasal visual field is projected to the nasal hemiretina.
Signup and view all the answers
The optic tract nerve fibers terminate in the optic chiasm.
The optic tract nerve fibers terminate in the optic chiasm.
Signup and view all the answers
The lateral geniculate body gives rise to the optic tract.
The lateral geniculate body gives rise to the optic tract.
Signup and view all the answers
The pretectal area is involved in the reflex movement of the eyes and head.
The pretectal area is involved in the reflex movement of the eyes and head.
Signup and view all the answers
The superior colliculi are involved in the last relay of the visual pathway.
The superior colliculi are involved in the last relay of the visual pathway.
Signup and view all the answers
The visual field is projected to the retina in an upright and unreversed manner.
The visual field is projected to the retina in an upright and unreversed manner.
Signup and view all the answers
The temporal visual field is projected to the temporal hemiretina.
The temporal visual field is projected to the temporal hemiretina.
Signup and view all the answers
The geniculocalcarine tract is formed by the optic tract nerve fibers.
The geniculocalcarine tract is formed by the optic tract nerve fibers.
Signup and view all the answers
When the head turns to the left, the eyes would look to the left.
When the head turns to the left, the eyes would look to the left.
Signup and view all the answers
The impulses from the CN VIII nuclei are sent directly to the lateral rectus muscle via CN VI.
The impulses from the CN VIII nuclei are sent directly to the lateral rectus muscle via CN VI.
Signup and view all the answers
During the examination of EOMs, the patient's head moves along with the eyes.
During the examination of EOMs, the patient's head moves along with the eyes.
Signup and view all the answers
The Doll's Eye Maneuver is used to examine the patient's visual field.
The Doll's Eye Maneuver is used to examine the patient's visual field.
Signup and view all the answers
The occipital gaze center is responsible for regulating eye movement.
The occipital gaze center is responsible for regulating eye movement.
Signup and view all the answers
The visual field is projected to the retina in an upright and unreversed manner.
The visual field is projected to the retina in an upright and unreversed manner.
Signup and view all the answers
The patient is seen looking to the left and down when their head is rotated to the right.
The patient is seen looking to the left and down when their head is rotated to the right.
Signup and view all the answers
The CN VIII nuclei are located in the cerebrum.
The CN VIII nuclei are located in the cerebrum.
Signup and view all the answers
The medial rectus muscle is supplied by the CN VI nerve.
The medial rectus muscle is supplied by the CN VI nerve.
Signup and view all the answers
