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WorksheetsCCEA Topic 6 Eye and neurones
Total questions: 26
Worksheet time: 28mins
Which part is #2?
iris
cornea
retina
lens
Which part is #4?
pupil
iris
cornea
lens
Which part is #5?
pupil
iris
cornea
lens
Which part is #7?
sclera
optic nerve
cornea
retina
What does the optic nerve do?
transmit impulses from retina to brain
helps the eye focus
receives light and sends it to brain
transmits light rays to retina
This structure is the back of the eye and it sends images to the optic nerve.
Cornea
Lens
Retina
Pupil
Which part of the eye refracts (bends) the light first?
lens
optic nerve
cornea
conjunctiva
Where are the receptor cells located in the eye?
optic nerve
retina
lens
conjunctiva
How does the shape of the lens change when looking at a far away object?
gets fatter
gets thicker
gets thinner
becomes opaque
How do the ciliary muscles change when looking at a far away object?
relax
contract
become taut
become slack
How do the suspensory ligaments change when looking at a far away object?
contract
relax
become taut
become slack
How do the ciliary muscles change when looking at an image that is close up?
contract
relax
become taut
become slack
Nucleus
Cell Body
Axon
Node of Ranvier
Nucleus
Cell Body
Axon
Node of Ranvier
Nucleus
Cell Body
Axon
Node of Ranvier
Dendrites
Axon Terminals
Myelin Sheath
Schwann Cells
Dendrites
Axon Terminals
Myelin Sheath
Schwann Cells
What makes up the CNS (Central Nervous System)?
Brain only
brain and glands
peripheral nerves
brain and spinal cord
Which is faster?
reflex action
voluntary action
Which action bypasses the brain?
reflex
voluntary
Which is an example of a reflex action
talking
walking
pupil dilation
kicking a football
Which of these is an example of a receptor?
muscle
skin
neurone
gland
Which neurone carries impulses from the spinal cord to the effector (muscle)?
sensory neurone
association neurone
motor neurone
Where does chemical transmission occur?
in the neurone
across the synapse
