Medical Detectives Unit 2

Which of the following statements best describes the peripheral nervous system?

• The nerves of the brain

• The nerves of the spine

• The nerves of the arms and legs

• None of these answers

Which of the following describes the parts of the central nervous system?

• Brain and spine

• Arm and leg

• Brain and arm

• Leg and spine

Which of the following phrases describes a motor neuron?

• A neuron used for sensing stimuli

• A neuron used for moving parts of the body

Which of the following phrases describes a sensory neuron?

• A neuron used for sensing stimuli.

• A neuron used for moving parts of the body.

Which number represents the axon of this cell?

• 3

• 4

• 5

• 6

Which number represents the dendrites of this cell?

• 3

• 4

• 5

• 6

Which number represents the myelin sheath of this cell?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-LS1-2

Which number represents the axon terminals/synapse of this cell?

• 3

• 4

• 5

• 6

Electrical signals travel through a neuron when they arrive at the axon terminal they are converted to chemical signals called ___________ that travel across the ___________ to reach the next cell.

• neurotransmitters, synapse

• synapse, neurotransmitters

• nucleus, cell body

• cell body, nucleus

Very simply stated, signals travel through a neuron by hitting the _______ first, traveling down the _______ to the axon terminals.

• dendrites, axon

• axon, dendrites

• myelin sheaths, synapses

• synapses, myelin sheaths

Tags

NGSS.MS-LS1-2