Neuron Function/Synapse/Cells

Neuron control cell to cell communication

• true

• false

Examine the image. If you see a bug and decide to step on it, what neuron sends signals so you STEP on it?

• Sensory Neuron

• Interneuron

• Motor Neuron

Which of these describes the neuron?

• Myelinated

• Nonmyelinated

What type of neuron is this that relays messages to and from other neurons?

• Motor Neuron

• Sensory Neuron

• Interneuron

What part of the neuron is represented by #3 in the picture below?

• nucleus

• soma

• dendrite

• axon

What structure is labeled B

• Dendrite

• Axon

• Axon Terminal

• Cell Body

Tags

NGSS.MS-LS1-2

The nerve impulse is an electrical current that travels along dendrites or axons.

• True 
• False

The area between the pre-synaptic cell and the post-synaptic cell is termed the synaptic cleft.

• True
• False

When a cell is at rest, the inside is more _____ and the outside is more ______. 

• negative; positive
• positive; negative 

The operation of the sodium-potassium "pump" moves: 

• sodium & potassium ions into the cell
• sodium & potassium ions out of the cell
• sodium ions into the cell & potassium ions out of the cell
• sodium ions into the cell & potassium ions out of the cell

Tags

NGSS.HS-LS1-3