Neurons & Synapses

Question 1

Types of Neurons & Synapses

Answer 1

1) sensory
2) motor
3) interneurons

Question 2

INPUT from sensory organs to the brain and spinal cord

Answer 2

Sensory Neuron

Question 3

OUTPUT from the brain& spinal cord to the muscles and organs

Answer 3

Motor Neurons

Question 4

Carry info between other neurons only found in the brain & spinal cord

Answer 4

Interneurons

Question 5

Contains DNA

Contols protein manufacturing

Round, centrally located structure

Answer 5

Cell body

Question 6

Info collectors

Receive input from neighboring neurons

Answer 6

Dendrites

Question 7

Provides room for more connections to other neurons

Neurons cannot divide, but dendrites can grow

Answer 7

Dendrite growth

Question 8

T or F

New dendrite connections are basis for learning

Answer 8

T

Question 9

Cell’s output structure

Tube-like structure that branches at the end and connect dendrites of other cells

Answer 9

Axon

Question 10

White fatty casing on axon

Acts as electrical insulator

Answer 10

Myelin sheath

Question 11

Basic neuron types

Answer 11

1) Bipolar
2) Unipolar
3) Multipolar
4) Pyrimidal Cell

Question 12

An electrical signal through which neurons communicate

Movement of ions between the outside and inside of the cell

Answer 12

Action Potential

Question 13

Gap that separates the axon terminals from dendrites

Answer 13

Synapse

Question 14

Tips of the axon’s branches

Contain small storage sacs called SYNAPTIC VESICLES

Answer 14

Axon Terminal