Neuron Synapse

Y

• Axon Terminal Button

• Neurotransmitters

• Dendrite

• Synapse

What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

• Neurotransmitters

• Synapse

• Threshold

• Impulse

The location of neurotransmitters

• axon terminals

• dendrites

• Schwann cells

• cell body

Synapses that are ____________ cause a neuron to fire whereas ____________ synapses reduce the likelihood that a neuron will fire.

• excitatory; inhibitory

• synaptic; terminal

• postsynaptic; presynaptic

• dendritic; axon

When Claudia is cut by a sharp piece of glass, sensory neurons relay the pain message to interneurons in her spinal cord by releasing neurotransmitters into the _____ between them.

• Synapses

•  

  Axon terminals

• Dendrites

• Axons

A synapse is a(n)

• Chemical messenger that triggers muscle contractions

• Automatic response to sensory input

• Neural network

• Junction between a sending and a receiving neuron

Which neuron receives input at the synapse?

• Presynaptic neuron

• Interneuron

• Postsynaptic neuron

• Dendritic neuron

What is Myelin used for?

• Speeding up neural signals

• Pausing signal

• Getting rid of old neurotransmitters

• Making the axon longer

The process of a neuron that usually receives chemical information (neurotransmitters) from other neurons.

• axon

• dendrites

• myelin sheath

• synapse

• cell body (soma)

Tags

NGSS.MS-LS1-2

In transmitting sensory information to the brain an electrical signal within a single neuron travels from the

• Cell body to the axon to the dendrites

• Dendrites to the axon to the cell body

• Axon to the cell body to the dendrites

• Dendrites to the cell body to the axon