Senses

The optic nerve is the ____ cranial nerve and is _____.

• second, a mixed nerve

• third, sensory only

• first, motor only

• second, sensory only

Rods are light sensitive cells in the retina that

• give you color vision in dim light

• respond in dim light

• give you color vision in bright light

• respond in bright light

Cones are light sensitive cells in the retina that

• give you color vision in bright light

• respond in dim light

• give you color vision in dim light

• respond in bright light

The pupil is located at the center of the

• sclera

• iris

• retina

• nothing

The vitreous humor is

• gel like and gives the eyeball its shape

• watery and gives the eyeball its shape

The blind spot is created by the

• retina

• optic nerve leaving the eye through the retina

• nothing; we don't have one

What part of the eye is this?

• cornea
• lens
• iris
• cilicary body

What part of the eye is this?

• choroid 
• sclera 
• cornea
• retina

What type of fluid is found in this portion of the eye?

• aqueous humor
• otic humor
• vitreous humor
• oris humor

What part of the eye has the highest concentration of rods and cones?

• optic nerve
• fovea centralis
• optic disk
• iris