Special Senses (3) Flashcards
What is the medical term for double vision?
Diplopia
What is the disease associated with cranial nerve 7 disruption?
Bell’s palsy
What cranial nerves emerge from the midbrain?
3 and 4
What does cranial nerve 2 do?
Visual acuity
What does cranial nerve 1 do?
Olfactory (smell)
Where do cranial nerves 1 and 2 come from?
Forebrain
A stroke to which artery will affect vision?
Posterior cerebral artery
What supplies the right visual field?
Left occipital lobe
What supplies the left visual field?
Right occipital lobe
What visual field does the right temporal retina go to?
Left nasal visual field
What visual field does the right nasal retina go to?
Right temporal visual field
What visual field does the left nasal retina go to?
Left temporal visual field
What visual field does the left temporal retina go to?
Right nasal visual field
What is the nasal visual field?
Central vision
What is the temporal visual field?
Peripheral vision
What is another name for central vision?
Binocular vision
Do you lose one part of each visual field when you close one eye?
Yes
What are movement of the eyes that are important to keep them level?
Intorsion and extorsion
What does the vestibular system provide?
Information to the location of head in space relative to gravity
What is the structure responsible for detecting linear acceleration?
Utricle/saccule
What direction is utricle?
Horizontal
What direction is saccule?
Vertical
What tract is the DCML in?
Posterior
What tract is the lateral corticospinal tract and the lateral spinothalamic in?
Lateral
What tract is the medial corticospinal tract and anterior spinothalamic at?
Anterior
What muscle does intorsion?
Superior oblique
What muscle does extorsion?
Inferior oblique
