WorksheetsThe Nervous System-DE Bio
Total questions: 63
Worksheet time: 32mins
CNS is the?
brain and spinal
nevres
axon
astrocyte
Astrocyte
connect to blood vessels
phagocyte
axon
sheath
Oligodendrocytes align with nerve fibers and provide myelin
true
false
Somatic nervous system is voluntary
true
false
Autonomic nervous system contains
smooth muscle
cardiac muscle
skeletal
Efferent goes away from the brain?
true
false
Microglial cells help to?
phagocytize bacteria cells
provides structural support
produce myelin
Which direction does the nerve impulse move from the cell body?
away
to
What do the nodes of Ranvier do?
help speed up impulse
help slow down impulse
protecting the axon
insulating the axon
Scattered throughout the cytoplasm of membranous sacs are called?
chromoatphilic substance
neurofibromas
neurilemma
neurofibrils
What produces myelin?
Schwann cell
Axon
Nucleus
Dendrite
Where is the trigger zone?
Start of axon
End of axon
Middle of axon
Central process
What starts the initial depolarization of the axon?
(select 2)
Ligandgated Sodium Channels
Potassium Channels
Voltage gates sodium channels
Threshold
Biochemical that the synaptic transmission is carried by is?
Neurotransmitters
Postsynaptic
Synapse
Presynaptic neuron
What is threshold?
stimulus needed to cause an impulse
the inhibitory process
the refractory period
build up of axons
can an impulse happen in a relative refactory period?
yes
no
I don't know
An impulse can happen in an absolute refactoring period.
True
False
what is gray matter?
the brain cells
neurological cells
epemdymal cells
glial cells
How does sensory receptors gather information?
detecting changes in the temperature and light
magic
stimulating nervous cells
effectors
Where is the Schwann cell?
on the axon
on the dendrites
on the nucleus
What is the Nervous System?
A complex network of nerve cells
A complex network of chemicals
A complex network of organs
A complex network of bones
How many sections is the nervous system split into?
1
2
3
4
What are the names of the first two sections of the nervous system? Click 2 correct answers.
Somatic Nervous System
Autonomic Nervous
Central Nervous System
Peripheral Nervous system
What two sections is the central nervous system split into? Click 2 correct answers.
Sympathetic Branch
Parasympathetic Branch
The Brain
The Spinal Cord
What is the function of the central nervous system?
Send messages to the muscles and glands
Relay nerve impulses from the CNS to the rest of the body and back.
Reflex actions
Increase heart rate
How many areas is the brain divided into?
5
6
4
3
How many lobes does the brain have?
5
4
3
2
Which lobe deals with vision?
Temporal
Occipital
Parietal
Frontal
Which lobe deals with planning and personality?
Frontal
Parietal
Temporal
Occipital
Which lobe deals with auditory information and speech?
Parietal
Frontal
Temporal
Occipital
What does the parietal lobe deal with
Planning
Vision
Personality
Info from the senses e.g. skin
What part of the brain deals with motor skills and balance?
Cerebrum
cerebellum
dienchephalan
brain stem
Which part of the brain deals with breathing, hear rate and swallowing?
Brain stem
Cerebrum
cerebellum
thalamus
What part of the brain deals with the thalamus and hypothalamus?
Brain Stem
Cerebellum
diencephalan
cerebrum
What is the function of the spinal cord? Click 2 correct answers.
Relay info from the brain to the rest of the body.
relaxes the body after an emergency
Allows us to pull our hand away from something e.g. reflex
Produces adrenaline and nor adrenaline
How many cranial nerves are there?
16
29
31
12
How many spinal nerves are there?
12
14
31
30
How many subsections does the autonomic nervous system have?
2
3
4
1
Click 3 correct function of the sympathetic branch of the autonomic nervous system
Pupils dilate
Increase heart rate and blood pressure
Saliva production
fight and flight
Click 2 correct functions of the parasympathetic branch of the autonomic nervous system?
produces adrenaline and nor adrenaline
starts digestion and saliva production
pupils contract
increase heart rate and blood pressure
