The Nervous System Unit

What are the three broad tasks that signals are used for in the nervous system?

• Singing, dancing, painting

• Eating, sleeping, exercising

• Reading, writing, speaking

• Obtaining information, processing data, performing actions

What are the two parts of the nervous system?

• Stomach and intestines

• Heart and lungs

• Brain and spinal cord

• Central nervous system and peripheral nervous system

What is the function of the spinal cord in the nervous system?

• Processes data and integrates information

• Receives information from the brain and sends it out to the body

• Transmits signals from the brain to the arms and legs

• Collects signals from adjacent neurons

Which part of the nervous system is responsible for sending signals to the brain about the outside world?

• Sensory neurons

• Motor neurons

• Central nervous system

• Peripheral nervous system

What are the three types of neurons in the nervous system?

• Fast neurons, slow neurons, medium neurons

• Sensory neurons, motor neurons, interneurons

• Red neurons, blue neurons, green neurons

• Big neurons, small neurons, medium neurons

What is the resting membrane potential of neurons typically?

• -70 millivolts

• 0 millivolts

• 100 millivolts

• 50 millivolts

What is the process called when an electrical signal is generated in a neuron?

• Neurotransmission

• Resting potential

• Synapse

• Action potential

What is the gap between neurons called where neurotransmitters travel?

• Neuron terminal

• Electrical synapse

• Axon terminal

• Chemical synapse

What are some symptoms of a concussion?

• Confusion, headaches, memory problems

• Nausea, fatigue, paralysis

• Blurred vision, lightsensitivity, difficulty moving

• Seizures, difficulty sensing stimuli, blindness

What happens in a stroke?

• The brain is unable to receive oxygen

• Blood vessels within the brain rupture or become blocked

• All of the above

• Cells whose oxygen supply gets cutoff die