1. The following are true about the fovea:
a. it is 1.5 mm in diameter
b. it has the same diameter as the optic disc
c. the foveola is superolateral to the optic disc
d. there are no rods in the fovea
e. no blood vessels are found in the fovea
2. The following are true:
a. the synapses between the bipolar and ganglion cells
are located in the inner plexiform layer
b. the synapses between the photoreceptor and bipolar
cells are located in the outer plexiform layer
c. the synapses between the bipolar and horizontal cells
are located in the inner plexiform layer
d. the synapses between the amacrine and bipolar cells
are located in the outer inner plexiform layer
e. rods are found in the outer nuclear layer
3. True statements about limbus include:
a. it measures about 5 mm wide
b. it is covered by the conjunctiva
c. it marks the transition of cornea to sclera
d. it is covered by the Tenon's capsule
e. the surgical limbus is anterior to the anatomical limbus
4. With regard to the optic nerve:
a. the intraocular segment is the shortest portion of the
optic nerve.
b. the intracanalicular segment is the longest portion of
the optic nerve
c. the intracranial segment has the most variable length
d. the intraorbital segment is most vulnerable to indirect
trauma
e. the whole length of the optic nerve is bathed in
cerebrospinal fluid
5. With regard to the third nerve nucleus:
a. the superior rectus muscle is supplied by contralateral
oculomotor nucleus
b. the lateral rectus muscle is supplied by ipsilateral
oculomotor nucleus
c. the levator muscle is supplied by ipsilateral oculomotor
nucleus
d. the parasympathetic nucleus is situated anterior to the
motor nucleus
e. the motor nucleus is connected to the fourth and sixth
nerve nucleus via the medial longitudinal fasciculus