Neuro

Why is the macula distinguished from other parts of the retina?

• It has a different color

• It has a larger size

• It has more blood vessels

• It has a different shape

What is the fovea?

• the opening that allows light to enter the eye and reach the retina

• а dark spot about 2 mm in diameter

• where the optic nerve fibers exit the retina

• the part of the retina for central vision

What are the anatomical reference points for the retina?

• Optic disk, macula, fovea, blood vessels

• Nasal, temporal, superior, inferior

• Latin words for “spot,” “pit,” and “region”

• Ophthalmoscope, optic nerve fibers, trajectory

What type of photoreceptors on the retina are important for night vision?

• Macula

• Cones

• Rods

• Ganglion cells

What is the transparent membrane that covers the iris called?

• Cornea

• Lens

• Fovea

• Retina

What cells make up the innermost layer of the retina?

• ganglion cell

• photoreceptors

• bipolar cells

• amacrine cells

 

Which cells play an important role in color perception?

• сones

• bipolar cells

• amacrine cells

• rods

optic tract axons are innervated

• frontal lobe

• superior colliculus

• lateral geniculate nucleus (LGN)

• cortex

Retinotopy illustrates

• a general organizational feature of the central audial system

• a general organizational feature of the motor system

• a general organizational feature of the central sensory system

• a general organizational feature of the central visual system

the vestibular labyrinth includes two types of structures with different functions

• the otolith organs and the semicircular canals

• the lateral line organs and the semicircular canals

• the vestibular nerve and the otolith organs

• the vestibular nerve and tthe semicircular canals