Introduction to NS Notes

Multiple Choice

What are the main parts of the Central Nervous System?

• Brain & Chest
• Spinal Cord & Spinal Nerves
• Brain & Spinal Cord
• Heart & Brain

Multiple Choice

What is "stimuli"?

• A major organ in the brain that is a part of the nervous system. 
• What your body does to a change or a signal. 
• A change or a signal your body receives. 

Multiple Choice

The nervous system_________

• receives information about what is going on in your body as well as what is going on around you. 
• tells your body how to react to the information it receives. 
• helps your body maintain homeostasis. 
• all of the above.

Multiple Choice

Output message traveling along which pathway?

• Efferent

• Afferent

• Effector

• Affector

Multiple Choice

The autonomic nervous system is a branch of your ... nervous system.

• central

• peripheral

Multiple Choice

You're nervous and giving a speech in front of the class, you are in the _____ division.

• sympathetic
• parasympathetic

Multiple Choice

If you picked up a hot coal, the signal from the sensory neurons in your fingertips would travel to ____________ in your spinal cord.

• Sensory Neurons

• Motor Neurons

• Interneurons

Multiple Choice

Identify the structure from the picture.

• Nucleus

• Cell Body

• Axon

• Node of Ranvier

Multiple Choice

What direction does the electrical signal travel through the neurond

• From dendrites, down the Axon, and out Axon terminals

• From Axon terminals, down the Axon, & out of the dendrites

• Any direction up or down the cell

• From the Axon, to the Dendrites, and out the Axon terminals

Categorize

Options (9)

astrocytes

microglia

oligodendrocytes

ependymal cells

interneurons

Schwann cells

satellite cells

sensory neurons

motor neurons

Organize each type all the nerve cells with the correct division of the nervous system.

PNS

CNS

Hotspot

Identify the axon terminal of the neuron by clicking on the number.

Hotspot

Identify the cell body of the neuron by clicking on the number.

Open Ended

Reflection: In a couple sentences (2-3) summarize what you learned the most from this lesson.