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WorksheetsUnderstanding the Nervous System
Total questions: 73
Worksheet time: 2hrs 23mins
What is the primary function of a neuron in the nervous system?
To support and protect nerve cells
To transmit nerve impulses
To produce myelin
To connect muscles to bones
Which part of the neuron is responsible for receiving signals from other neurons?
Axon
Cell body
Dendrites
Synapse
What is the role of myelin in the nervous system?
To slow down nerve impulses
To insulate axons and speed up impulse conduction
To connect neurons to muscles
To produce neurotransmitters
Which of the following is a component of the Central Nervous System (CNS)?
Cranial nerves
Spinal cord
Peripheral nerves
Schwann cells
What is the function of sensory (afferent) neurons?
To send impulses from the CNS to effectors
To send impulses to the CNS
To produce myelin
To act as neuromodulators
Which type of neuroglia is found in the Peripheral Nervous System (PNS)?
Astrocytes
Oligodendrocytes
Schwann cells
Microglia
What is a synapse?
A type of neuron
A gap between neurons where communication occurs
A type of neuroglia
A part of the axon
Which of the following is a subdivision of the Peripheral Nervous System (PNS)?
Central Nervous System
Autonomic Nervous System
Spinal cord
Brain
What is the role of neuropeptides in the nervous system?
To act as neurotransmitters or neuromodulators
To insulate axons
To produce myelin
To connect neurons to muscles
Which type of neuron transmits voluntary commands to skeletal muscles?
Sensory neurons
Motor neurons
Interneurons
Autonomic neurons
What is the basic functional unit of the nervous system?
Axon
Neuron
Dendrite
Synapse
What is the role of the myelin sheath?
To receive signals from other neurons
To generate electrical signals
To speed up the transmission of electrical signals
To connect two neurons together
Which part of the nervous system includes the brain and spinal cord?
Central nervous system
Peripheral nervous system
Autonomic nervous system
Somatic nervous system
What is the role of motor neurons?
To carry signals from the CNS to muscles and glands
To process information in the brain
To carry signals from sensory organs to the CNS
To insulate neuron axons
How do sensory receptors communicate with the nervous system?
By releasing hormones into the bloodstream
By generating electrical signals in response to stimuli
By physically moving towards the central nervous system
By increasing the temperature of the body
Which part of the peripheral nervous system is responsible for the "fight or flight" response?
Somatic nervous system
Sympathetic nervous system
Parasympathetic nervous system
Central nervous system
What is the significance of the blood-brain barrier?
It speeds up the transmission of nerve impulses
It prevents most substances from entering the brain from the bloodstream
It allows all substances to pass freely between the brain and blood
It is responsible for the production of cerebrospinal fluid
What is the primary function of the autonomic nervous system?
To control skeletal muscle activity
To regulate involuntary functions, such as heart rate and digestion
To process sensory information
To coordinate voluntary movements
How does the nervous system respond to high temperatures?
By decreasing heart rate
By increasing perspiration
By reducing blood flow to the skin
By increasing body temperature further
What is the role of the cerebellum?
To control voluntary movements and coordination
To process sensory information
To regulate emotions and behaviors
To control involuntary responses
Neurotransmitters are released from the
Dendrites
Post-synaptic neuron
Presynaptic neuron
Schwann Cells
The Brain and spinal cord make up the
Central Nervous System
Cranial Nervous System
Peripheral Nervous System
Somatic Nervous System
The "bumps" on the surface of the brain are called ______.
Gyri
Sulci
Cerebri
Cerebelli
The "grooves", or valleys, on the surface of the brain are called ______.
Gyri
Sulci
Cerebri
Cerebelli
What is the correct order of the meningeal layers from deep to superficial?
Pia mater, dura mater, arachnoid
Dura mater, arachnoid, pia mater
Arachnoid, pia mater, dura mater
Pia mater, arachnoid, dura mater
Dura mater, pia mater, arachnoid
Cerebrospinal fluid is made in the ventricles by a structure called the _________.
Cerebral aqueduct
Venous sinus
Arachnoid villus
Choroid plexus
Lateral region of the cerebrum processes auditory information like language and helps with balance
temporal lobe
hypothalamus
occipital lobe
parietal lobe
Region of the cerebrum, responsible for controlling voluntary muscle movement, and higher cognitive functions like planning and social inhibitions, is called:
frontal lobe
parietal lobe
occipital lobe
temporal lobe
Superior posterior region of the cerebrum processes sensory information from the body like touch, pressure, and pain:
temporal lobe
occipital lobe
parietal lobe
frontal lobe
Region of the cerebrum responsible for processing visual information:
hypothalamus
occipital lobe
mamillary body
parietal lobe
The "large body" that connects the left and right cerebral hemispheres:
mamillary body
frontal lobe
corpus callosum
temporal lobe
The midbrain, pons, and medulla oblongata make up this general region of the brain, which regulates basic, vital, involuntary body functions:
brain stem
cerebellum
ventricles
cerebrum
Thalamus, hypothalamus, epithalamus, and mammillary bodies, which regulate homeostasis, make up this region of the brain
diencephalon
telencephalon
cerebellum
brain stem
What is the main function of the temporal lobe?
Speech, thinking, touch
Speech, taste, reading
Hearing, smell
sight
What is the main function of the Occipital lobe?
Speech, thinking, touch
Speech, taste, reading
Hearing, smell
sight
What is the name of the structure that connects the two hemispheres?
Cerebrum
Cerebellum
Corpus Callosum
This part of the nervous system carries messages back and forth from the brain and the body.
Cerebrum
Brain stem
spinal cord
Cerebellum
What two body parts make up the central nervous system?
Brain and spinal cord
cerebrum and cerebellum
Brain and Brain stem
Frontal Lobe and spinal cord
Thalamus
Receives signals from the body and sends to the proper place
Controls emotions and body temp
Controls balance and coordination
Controls decision making
Hypothalamus
Controls emotions and body temp
Receives signals from the body and sends to the proper place
Controls balance and coordination
Controls decision making
Brain Stem
Controls body's automatic functions (Examples: blood pumping, digestion)
Controls decision making and judgment
Controls coordination and balance
Controls emotions
Axon
Part of the brain that controls coordination
Part of the neuron where messages leave
Part of the brain that connects to the spinal cord
Part of the neuron that receives messages
What does the Medulla Oblengata do?
all involuntary actions such as breathing and regulation of heart rate
all involuntary actions such as walking
it's the gray matter on the surface of the cerebrum
What is the function of the pons?
functions as a bridge between the cerebrum and cerebellum
processes inputs of cerebral cortex and sensory receptors
controls all involuntary actions
What is white matter?
axons with myelin
cell bodies, axons without myelin, dendrites, and neuroglia
What is gray matter?
axons with myelin
cell bodies, axons without myelin, dendrites, and neuroglia
What is a synapse?
controls movements of skeletal muscles, speech, and eyes
gap between neurons that allow action potential to move from one neuron to the next neuron
What do Axons do?
carry information to the cell body
carry information away from the cell body
What are axons covered in?
myelin sheath
capillaries
The 2-parts of the nervous system:
(see your chart)
brain and spinal cord
somatic and autonomic
central and peripheral nervous systems
sympathetic and parasympathetic nervous systems
The afferent neuron relays message from the ____ to the brain.
glands and muscles
sensory organs
Superior posterior region of the cerebrum processes sensory information from the body like touch, pressure, and pain:
temporal lobe
occipital lobe
parietal lobe
frontal lobe
Automatic reflex centers for the heart rate, blood pressure, breathing, swallowing, and vomiting
Medulla Oblongata
Pons
Hypothalamus
Thalamus
Sally has a brain injury; she knows what she wants to say but can't vocalize the words. The part of her brain that deals with the ability to say words properly is the ________.
medulla
amygdala
central sulcus
Broca's area
This is the largest portion of the diencephalon, which communicates sensory and motor information between the body and the cerebral cortex.
Thalamus
Epithalamus
Hypothalamus
Which area of the brain is associated with the production of written and spoken language?
Broca's area
Wernicke's area
Hippocampus
Amygdala
This structure carries out a number of different functions, including generating emotions and processing emotional memories.
Motor cortex
Brain Stem
Limbic system
Thalmus
Often called the executive control center or rational system, these lobes deal with planning and thinking.
Frontal Lobes
Temporal Lobes
Occipital Lobes
Parietal Lobes
Thalamus, hypothalamus, epithalamus, and mammillary bodies, which regulate homeostasis, make up this region of the brain
diencephalon
telencephalon
cerebellum
brain stem
What is the function of the cerebellum?
What are the membranes that protect brain and spinal
cord?
How many cranial nerve pairs do humans have?
What cranial nerve is associated with sense of vision?
What cranial nerve is associated with innervating the
muscles needed for mastication?
What is another name for an immune cell in the brain?
What part of the neuron transmits signals to other neurons and effector
muscles or glands?
The brain and spinal cord are part what portion of the nervous system?
