WorksheetsNervous System
Total questions: 20
Worksheet time: 10mins
What structures make up the the central nervous system?
brain and cranial nerves
spinal cord and spinal nerves
brain and spinal nerves
brain and spinal cord
Which part is not found on a neuron?
cell body
dendrites
myaline sheath
endonerium
Which of the following is not a lobe of the brain?
Parietal lobe
Frontal lobe
Coxal lobe
Temporal lobe
How many lobes does the brain have? (in pairs)
6
4
3
5
How many axons does each neuron have?
3
2
100s
1
Which spinal cord roots carry efferent signals to the CNS?
ventral roots
dorsal roots
sagittal roots
posterior roots
Which direction are afferent signals carried?
toward the PNS
toward the CNS
toward the toes
none of these
When signals are sent through a resting neuron, what happens next?
the stimulus initiates local depolarization
the stimulus initiates repolarization
the stimulus initiates no change in the neuron
the stimulus initiates the restoration of the resting conditions
Which ions are the main source of depolarization in neurons?
Potassium and calcium
calcium and sodium
Sodium and potassium
Iron and sodium
Reflexes are controlled...
involuntary
voluntary
both
neither
The somatic nervous system controls which of the following?
smooth muscle
cardiac muscle
skeletal muscle
glands
The autonomic nervous system controls which of the following?
cardiac muscle
skeletal muscle
all the neurons in the body
only afferent neurons in the body
What are the two subdivisions of the autonomic nervous system?
sympathetic
somatic
parasympathetic
motor
What are the two main sections of the brain called?
cerebral cortex
cerebral hemispheres
pons
medulla
What are the parts of the inner brain (diencephalon) called?
thalmus
hypothalamus
epithalamus
perithalamus
What does the brain stem fuse with and turn in to?
vertebral column
spinal cord
cranial nerves
white matter
What two layers of the meninges is the CSF located between?
Arachnoid mater
Dura mater
White matter
Pia mater
What is the name of the space in the meninges that CSF is found?
subpia space
subdura space
subarachnoid space
subbrain space
How many pairs of cranial nerves do humans have?
24
12
10
31
How many pairs of spinal nerves do humans have?
24
12
10
31
