BIO 242 LAB FINAL EYE ANATOMY AND PHYSIOLOGY QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 100% CORRECT RATED A+

BIO 242 LAB FINAL EYE ANATOMY AND PHYSIOLOGY
QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS 100%
CORRECT RATED A+

What the nerves allow the eye to move? Which is the nerve that allows the eye to
obtain sensory information? -
Answer-CN III (m)- oculomotor
CN IV (m)- trochlear
CN VI (m)- abducens

CN II (s)- optic

What are the three tunics of the eye? Which is the outermost, the middle, and
the innermost? -
Answer-fibrous tunic (outermost)
vascular tunic (middle)
sensory tunic (innermost)

What structures make up the outermost tunic? -
Answer-the cornea (A) the sclera (K)

What is the site of muscle attachment in the eye? -
Answer-the sclera

What structures make up the middle tunic? -
Answer-the choroid the iris
the ciliary body
the pupil
the ora serrata

What structure of the eye allows the pupil to change size? Why? -

Answer-the iris, the regulate the amount of light eneting the eye

What structure provides nutrients to the retina? -

Answer-the choroid

What structure of the eye changes the shape of the lens? Why? -

Answer-the ciliary body, to bend light to the fovea

What structure does the ora serrata of the ciliary body connect to? -

Answer-the choroid

What structures make up the innermost tunic? -
Answer-the retina (T) the optic disc (W)
the macula lutea

, the fovea centralis

What are the two layers of the retina? -
Answer-the neural layer