Multiple Choice
The nervous system is broken up into 2 categories which are called the __________ & the _____________ nervous system.
a. central & peripheral
b. central & southern
c. peripheral & sensory
d. motor & sympathetic
a. central & peripheral
The numerous small extensions from the neuron’s cell body are called ______________.
dendrites
True/False. The brain is divided into 4 main regions.
False. 3
What are the 2 categories that the autonomic nervous system is broken up into and whose relationship is that they are opposites?
Sympathetic & Parasympathetic
What is # 1 pointing to?
Nucleus
The central nervous system includes the following organs:
a. brain & motor neurons
b. brain & sensory neurons
c. brain & spinal cord
d. sympathetic & parasympathetic
c. brain & spinal cord
The white fatty tissue that surrounds the axon is called: ____________.
myelin sheath
True/False. The cerebellum is the largest part of the brain.
False. Cerebrum
What are the 2 types of neurons found in the Peripheral Nervous System? Ones receives signals from environment and the other receive signals from the brain.
Sensory & Motor Neurons
What is # 2 pointing to?
Cell Body
The nervous tissue outside of the brain & spinal cord is called the _____________ nervous system.
a. central
b. peripheral
c. autonomic
d. somatic
b. peripheral
A motor neuron transmits signals from the brain to _____________ or glands.
muscles
True/False. The cerebellum controls balance.
True
What type of neuron receives signals that are coming from the brain and attach to a muscle or a gland?
Motor Neuron
What is # 3 pointing to?
Dendrites
Another word for a nerve cell = ________.
a. cerebral cortex
b. pleural
c. renal
d. neuron
d. neuron
The small space between neurons is called a ____________.
synapse
True/False. The two types of neurons in the peripheral nervous system are the sensory and motor neurons.
True
What type of neuron receives signals from the environment and travel to the brain?
Sensory Neuron
What is # 4 pointing to?
Myelin Sheath
_______________ occurs as the electrical signal moves through axon and the channels/gates close behind it bringing it back to more negative inside axon again.
a. depolarization
b. repolarization
c. sodium channel
d. action potential
b. repolarization
An __________ potential occurs when an electrical impulse/signal moves through the axon.
action
True/False. The relationship between the parasympathetic and the sympathetic nervous system is that they do the same thing.
False. Opposite/antagonistic
This brain area controls planning, emotions, impulse, problem solving and reasoning.
Frontal Lobe
What is # 6 pointing to?
Axon Terminal