7.1 Vision

Hotspot

Identify the conjunctiva

Multiple Choice

Extrinsic eye muscles

• The six extrinsic eye muscles are responsible for eye movement.
• The extrinsic eye muscles are responsible for vision.
• Extrinsic eye muscles are located inside the eye.

Multiple Choice

What provides nutrients and oxygen to the eye and remove waste?

• Aqueous humor

• Vitreous humor

Hotspot

Locate the sclera

Multiple Choice

These muscles can change the size of the pupil

• Pupillary muscles

• Ciliary muscles

Multiple Choice

Photoreceptors that detect Color

• Cones
• Rods

Multiple Choice

Photoreceptor bleaching

• Complete failure of photoreceptor function due to exposure to bright sunlight.

• The temporary loss of sensitivity in photoreceptors due to pigment recycling.

Hotspot

Identify the interneurons and ganglion cells of the retina.

Multiple Choice

The medial optic nerve crosses over at this structure

• optic chiasm

• optic disc

• optic tract

• optic canal

Multiple Choice

The retinal ganglion of the optic nerve will first synapse at this structure in the thalamus.

• LGN

• MPK