Ch 7.1 Sensory Perception

Multiple Choice

An acute localized bacterial infection resulting in the formation of a stye or hordeolum is most commonly a result of an infection of which gland?

• Zeis gland

• Moll gland

• Meibomian gland

Multiple Choice

Tears drain into the nasal cavity through which structure?

• nasolacrimal duct
• lacrimal sac
• nasal septum
• maxillary sinus

Multiple Choice

Which of the following options correctly identifies the function of the aqueous humor?

• prevents the eye from collapsing

• maintain intraocular pressure and provide nutrients to the eye

Multiple Choice

Which of the following internal eye structures is vascularized with a dark pigment, preventing scattering of light?

• Retina
• Cornea
• Choroid
• Sclera

Multiple Choice

The fovea centralis is specialized for:

• depth perception
• high acuity vision
• low light vision

Multiple Choice

Which photoreceptors allow vision in dim light and detect a single photon?

• Cones
• Bipolar cells
• Ganglion cells
• Rods

Multiple Choice

Which structure contains axons that form the optic nerve?

• Cones

• Ganglion

• Bipolar

• Retinal

Reorder

Light Pathway

Indicate the correct structure in order as light enters the eye.

• Cornea

• Anterior chamber

• Pupil

• Lens

• Retina

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Accommodation for near vision occurs when the:

• iris adjusts to control light entry
• lens becomes thicker for distance vision
• ciliary muscles relax to flatten the lens
• ciliary muscles contract to round the lens

Multiple Choice

The optic chiasm is best described as:

• A part of the eye that focuses light.
• A region in the brain for visual memory.
• A nerve pathway connecting the retina to the brain.
• A structure in the brain where optic nerves cross.

Reorder

Reorder the following

• Retinal fibers

• Optic nerve

• Optic Chiasm

• Optic tract

• LGN

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Open Ended

What is one disease, disorder, or condition of the eye that you found interesting during this lesson, and why?