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WorksheetsNervous System
Total questions: 40
Worksheet time: 47mins
What are two parts of the Central Nervous System?
brain and spinal cord
spinal cord and motor neurons
motor neurons and sensory neurons
brain and sensory neurons
If you step on a nail... what type of neuron will take that signal TO the spinal cord?
interneurons
motor
sensory
receptors
What part of the neuron receives or invites information?
axon
dendrite
cell body
axon terminal
What part of the neuron is a long fiber that sends information toward other cells?
dendrite
synapse
cell body
axon
When a neuron is depolarized, what enters the neuron to change the charge to positive?
sodium
potassium
calcium
acetylcholine
When a neuron is resting, the inside of the axon has a _____ charge.
positive
negative
Most of the time, the impulse changes to _____ as it moves across the synapse to other neurons.
electrical
chemical
mechanical
radioactive
What are the chemicals used by a neuron to transmit an impulse across a synapse to another neuron?
neurotransmitters
neuroconnectors
gap jumpers
impulses
The neuroglial cells that produce the myelin sheaths to cover the axons are called _____.
oligodendrocytes
astrocytes
ependymal cells
microglia
What is the largest part of your brain?
cerebellum
cerebrum
diencephalon
brain stem
What area of the brain controls conscious thought and higher thinking skills?
cerebellum
cerebrum
diencephalon
brain stem
Which part of the brain controls muscle coordination and body position?
cerebrum
medulla oblongata
cerebellum
thalamus
Which part of the brain controls vital functions such as breathing and heart rate?
diencephalon
cerebrum
medulla oblongata
cerebellum
The "fight or flight" division of the Autonomic Nervous System is called the _____ division.
sympathetic
parasympathetic
sensory
motor
The "rest and digest" division of the Autonomic Nervous System is called the _____ division.
sympathetic
parasympathetic
sensory
motor
What does the letter "A" point to?
dendrite
axon
cell body
axon terminal
What does the letter "H" point to?
myelin sheath
axon
axon terminal
dendrite
What part of the brain is highlighted in red?
cerebrum
cerebellum
brain stem
diencephalon
Which lobe of the brain is highlighted in red?
frontal
temporal
occipital
parietal
The frontal, parietal, occipital, and temporal lobes make up the _____ of the brain.
brain stem
cerebrum
cerebellum
diencephalon
Which of the neuroglial cells make cerebrospinal fluid?
astrocytes
oligodendrocytes
microglial cells
ependymal cells
What is the correct sequence of the Reflex Arc?
Sensory Neuron -> Receptor -> Interneuron ->
Effector -> Motor Neuron
Receptor -> Sensory Neuron -> Interneuron ->
Motor Neuron -> Effector
Motor Neuron -> Effector -> Interneuron ->
Receptor -> Sensory Neuron
Effector -> Motor Neuron -> Interneuron ->
Sensory Neuron -> Receptor
Which cerebral lobe is highlighted in green?
frontal
parietal
occipital
temporal
_____ neurons carry messages away from the Central Nervous System to muscles or glands, shown by the RED neuron in the diagram.
Sensory
Motor
Inter
Spinal
The two major divisions of the nervous system are the _____.
brain and spinal cord
central and somatic nervous systems
sympathetic and parasympathetic systems
peripheral and central nervous systems
The switching and relay center for the brain is the _____.
cerebrum
brain stem
cerebellum
diencephalon
There are _____ pairs of cranial nerves and _____ pairs of spinal nerves.
12, 24
31, 12
12, 31
10, 31
A network of nerves that weave together after branching from the spinal cord is called a _____.
ganglion
pathway
reflex
plexus
The nerve cells that connect sensory and motor neurons are the _______.
motor neurons
sensory neurons
interneurons
neuroglia
What is the change in polarity of a neuron that causes the transmission of electrical impulses?
action potential
membrane potential
resting potential
threshold
What are the two ions transported across the membrane in an action potential?
O2- and K+
K+ and Na+
Ca+2 and K+
Na+ and Cl-
What part of the brain allows you to feel fear and other emotions?
hypothalamus
hippocampus
medulla oblongata
amygdala
What is the function of the nervous system?
control
sensation
communication
all of the choices
The faster action potentials propagate on ______.
thick, unmyelinated axons
thick, myelinated axons
thin, myelinated axons
thin, unmyelinated axons
The structures that protect the brain and spinal cord are _____.
bones
meninges
cerebrospinal fluid
all of the choices
The visual cortex is an example of a collection of neurons with a shared function, which is called a _____.
center
nerve
ganglia
plexus
The area of the brain that stores and retrieves memories is the ______.
amygdala
hypothalamus
hippocampus
thalamus
The longest cranial nerve and if damaged can result in death is the ______.
glossopharyngeal
trigeminal
vagus
optic
A bundle of axons supported by connective tissue is called a _____.
nerve
center
nucleus
ganglia
Age related changes to the brain include all of the following EXCEPT _____.
increase in neurons
decrease in brain size
decrease in brain blood flow
increase chances of Alzheimer's Disease
