orbit - PAS 407 UPDATED ACTUAL Questions and CORRECT Answers
Which gland lubricates the eye? lacrimal gland
Where do the lacrimal secretions drain into? From lacrimal punctum to the lacrimal canaliculi
What ducts fuse into the nasolacrimal duct? Lacrimal punctum and lacrimal canaliculi
Where does the nasolacrimal duct drain into? Drains into the nasal cavity in the inferior meatus
When crying, why does a runny nose occur? Too much fluid draining into the nasolacrimal duct
fibrous layer
What are the layers of the eye?
"opaque" sclera layer
What is the anterior layer of the eye? transculent "cornea"
What muscle pulls on the lens of the eye? ciliary smooth muscles
Where is light focused in the eye? on the retina
What muscle is involved with the pupil? Iris smooth muscle
Where is focal point of the retina? the macula area
What is the structure that provides neural pathways to the
optic disc deep to the optic nerve
brain?
What is the blind spot of the eye? the optic disc or where the optic nerve begins
Where do the eye muscles attach commonly?
What is the function and innervation levator palpebrae
Opening your eyes innervated from oculomotor
superioris?
What is the sympathetic response of the levator palpebrae Opening your eyes when falling asleep and snapping
superioris? them open when waking back up
What muscle elevates the pupil? superior rectus
What muscle depress the pupil? Inferior rectus muscle
What muscle adducts the eye? medial rectus muscle
What muscle abducts the eye? lateral rectus muscle
lateral rectus muscle
Which gland lubricates the eye? lacrimal gland
Where do the lacrimal secretions drain into? From lacrimal punctum to the lacrimal canaliculi
What ducts fuse into the nasolacrimal duct? Lacrimal punctum and lacrimal canaliculi
Where does the nasolacrimal duct drain into? Drains into the nasal cavity in the inferior meatus
When crying, why does a runny nose occur? Too much fluid draining into the nasolacrimal duct
fibrous layer
What are the layers of the eye?
"opaque" sclera layer
What is the anterior layer of the eye? transculent "cornea"
What muscle pulls on the lens of the eye? ciliary smooth muscles
Where is light focused in the eye? on the retina
What muscle is involved with the pupil? Iris smooth muscle
Where is focal point of the retina? the macula area
What is the structure that provides neural pathways to the
optic disc deep to the optic nerve
brain?
What is the blind spot of the eye? the optic disc or where the optic nerve begins
Where do the eye muscles attach commonly?
What is the function and innervation levator palpebrae
Opening your eyes innervated from oculomotor
superioris?
What is the sympathetic response of the levator palpebrae Opening your eyes when falling asleep and snapping
superioris? them open when waking back up
What muscle elevates the pupil? superior rectus
What muscle depress the pupil? Inferior rectus muscle
What muscle adducts the eye? medial rectus muscle
What muscle abducts the eye? lateral rectus muscle
lateral rectus muscle
