nervous system part 1

What are the two main parts of the central nervous system?

• brain and spinal cord

• patella and phalanges

• heart and lungs

• stomach and pancreas

Melanie touched a really hot metal pot handle what should her response be?

• Continue holding the handle and burn her hand

• Pull her hand away quickly

• Touch the handle with her other hand

• All of the above

Which of the following is not a nervous system function?

• Receives information from internal and external environments

• Responds to stimuli

• Maintains balance in the body

• Shapes and supports the body

Tags

NGSS.MS-LS1-8

Which 2 body systems interact and initiate movement?

• muscular and nervous system

• skeletal and muscular system

• respiratory and nervous system

• circulatory and nervous system

Which of these are functions of the nervous system?

• Sensation

• Integration

• Motor output

• All of these

Which of these is NOT part of a neuron?

• Axon

• Dendrites

• Cell body

• Axon terminals

• Neurotransmitters

The term for a signal or message conducted by a neuron is a(n):

• Resting potential

• Refractory period

• Action potential

• Repolarization

Which ions are used by neurons to conduct signals or messages? Choose all that apply.

• Potassium

• Sodium

• Calcium

• Magnesium

What is Acetylcholine mainly responsible for?

• mood
• alertness
• emotion
• muscle action

What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?

• Axon
• Dendrites
• Node of Ranvier
• Myelin Sheath