HLSC 2416- Block 4- Chap 15: Eyes Questions
with Correct Answers
conjunctiva
Transparent protective covering of the eye
cornea
covers and protects the iris and pupil.
lacrimal apparatus
provides irrigation to the eye
◦Four straight, or rectus, muscles are superior, inferior, lateral, and medial rectus
muscles.
◦Two slanting, or oblique, muscles are superior and inferior muscles.
what are the six muscles that attach the eyeball to its orbit and direct eye to points of a
person's interest?
CN VI: Abducens Nerve
which nerve innervates lateral rectus muscle, which abducts eye?
CN IV: Trochlear Nerve
which nerve innervates superior oblique muscle?
CN III: Oculomotor Nerve
which nerve innervates all the rest: the superior, inferior, and medial rectus and the inferior
oblique muscles
, eye
- outer fibrous sclera
- middle vascular choroid
- inner nervous retina
a sphere of three concentric coats, what are the three coats?
◦Sclera
◦Cornea
what structures of the eye belong to the outer fibrous sclera?
◦Choroid
◦Pupil
◦Lens
◦Anterior/Posterior Chamber
what structures belong to the middle vascular choroid?
◦Retina
◦Optic Disc
◦Retinal Vessels
◦Macula
◦Fovea Cetralis
what structures belong to the inner nervous retina?
sclera
tough, protective, white covering
cornea
with Correct Answers
conjunctiva
Transparent protective covering of the eye
cornea
covers and protects the iris and pupil.
lacrimal apparatus
provides irrigation to the eye
◦Four straight, or rectus, muscles are superior, inferior, lateral, and medial rectus
muscles.
◦Two slanting, or oblique, muscles are superior and inferior muscles.
what are the six muscles that attach the eyeball to its orbit and direct eye to points of a
person's interest?
CN VI: Abducens Nerve
which nerve innervates lateral rectus muscle, which abducts eye?
CN IV: Trochlear Nerve
which nerve innervates superior oblique muscle?
CN III: Oculomotor Nerve
which nerve innervates all the rest: the superior, inferior, and medial rectus and the inferior
oblique muscles
, eye
- outer fibrous sclera
- middle vascular choroid
- inner nervous retina
a sphere of three concentric coats, what are the three coats?
◦Sclera
◦Cornea
what structures of the eye belong to the outer fibrous sclera?
◦Choroid
◦Pupil
◦Lens
◦Anterior/Posterior Chamber
what structures belong to the middle vascular choroid?
◦Retina
◦Optic Disc
◦Retinal Vessels
◦Macula
◦Fovea Cetralis
what structures belong to the inner nervous retina?
sclera
tough, protective, white covering
cornea
