CIS Physiology Unit 2 Nervous System Review

In a neuron, impulses move

• from dendrite to axon

• from cell body to dendrite

• from axon to cell body

• from synapse to axon

If you rub a piece of sand that has blown into your eye, you are likely to scratch your

• cornea

• retina

• rods and cones

• pupil

Short, branched extensions of a nerve cell body that receives info

• dendrites

• axons

• axon terminals

Photoreceptors that detect color

• cones

• rods

Part of brain that helps you keep your balance.

• cerebrum

• cerebellum

• medulla

• brain stem

Clear, curved material behind iris that focuses light

• pupil

• cornea

• lens

When impulses reach the axon terminal, where is it transmitted next?

• to another axon terminal

• to the brain

• to the dendrites of another neuron

Brain and spinal cord

• PNS

• CNS

Carries nerve impulses to muscles or glands

• sensory neurons

• motor neurons

What is the change of a cell membrane from positive to negative called?

• Glycolysis
• Action Potential
• Temporal Summation
• Electrolysis