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WorksheetsLab 10 - Nervous system
Total questions: 94
Worksheet time: 3hrs 8mins
What type of neuroglia cells function to provide nutrients and protection to neurons in the PNS, They wrap around the neuron's cell body?
satellite cells
Schwann cells
Astrocytes
oligodendrocytes
What type of neuroglia cells wrap themselves around the axons of neurons in the PNS. It forms a protective layer called the myelin sheath – this operates like the insulated coating on electrical wiring?
satellite cells
Schwann cells
Astrocytes
oligodendrocytes
What type of neuroglia cells provide protection and support to neurons, exchanging nutrients and other important chemicals. It's name has the Greek root work for "star". It helps to form the blood/brain barrier?
satellite cells
Schwann cells
Astrocytes
oligodendrocytes
What type of neuroglia cells wrap around the axons of CNS neurons to provide electrical insulation called myelin sheaths. This allows the signal to move quickly enough for proper functioning.
satellite cells
Schwann cells
Astrocytes
oligodendrocytes
What type of neuroglia cells produce cerebrospinal fluid and circulate it by wafting cilia?
ependymal cells
microglia
oligodendrocytes
Schwann Cells
What type of neuroglia cells have a function similar to macrophages, they surround and digest damaged or invading cells. They are considered the immune cells of the CNS?
ependymal cells
microglia
oligodendrocytes
Schwann Cells
What part of the neuron is A?
nucleus
cell body
dendrites
axon
What part of the neuron is B?
nucleus
cell body
dendrites
axon
What part of the neuron is C?
nucleus
cell body
dendrites
axon
What part of the neuron is D?
nucleus
soma or cell body
dendrites
axon
What part of the neuron is E?
myelin sheath
cell body
dendrites
axon hillock
What part of the neuron is E?
myelin sheath
cell body
dendrites
axon hillock
What part of the neuron is E?
Schwann cell
cell body
dendrites
axon hillock
What part of the neuron is F?
Schwann cell
cell body
dendrites
axon hillock
What part of the neuron is G?
node of Ranvier
cell body
dendrites
axon hillock
What part of the neuron is H?
axon terminal
cell body
dendrites
axon hillock
What are large granular bodies in the neuron. they are composed of rough endoplasmic reticulum and ribosomes; they function in the manufacture and release of proteins in the neuron?
nissl bodies
axon hillock
axon
dendrites
What structures form the main component of the neuron's cytoskeleton?
neurofilaments
nissl bodies
axon hillock
axon terminal
What structure is where the transmission decision is made (action potential). It's found in the cell body connecting the cell body to the axon?
neurofilaments
nissl bodies
axon hillock
axon terminal
What structural class of neuron is #1?
unipolar
bipolar
multipolar
pseudopolar
What structural class of neuron is #2?
unipolar
bipolar
multipolar
pseudopolar
What structural class of neuron is #3?
unipolar
bipolar
multipolar
pseudopolar
What structural class of neuron is #4?
unipolar
bipolar
multipolar
pseudounipolar
Myelinated axons _____.
are not electrically insulated
do not have action potentials
conduct action potentials faster than unmyelinated axons
do not use saltatory conduction
conduct action potentials slower than unmyelinated axons
Propagation on the myelinated neurons is named as....
nodes of ranvier
oligodendrocytes
saltatory conduction
glia
In a neuron impuls is transmitted from ......... to.........., between two neurons impuls is transmitted from ......., to.......
axon to dendrite, dendrite to axon terminal
dendrite to axon terminal, axon to dendrite
dendrite to cell body, cell body to dendrite
axon to cell body, cell body to axon terminal
Which nerve is myelinated?
A
B
Which nerve is unmyelinated?
A
B
Which nerve will have a slower transmission time?
A
B
Which nerve will have a faster transmission time?
A
B
What two support cells are involved in the process of myelination?
oligodendrocytes
Schwann cells
astrocytes
microglia
What is the outermost nucleated cytoplasmic layer of Schwann cells that surrounds the axon of the neuron. It forms the outermost layer of the nerve fiber in the peripheral nervous system?
astrocyte
myelin sheath
neurilemma
node of Ranvier
What is a layer of delicate connective tissue around the myelin sheath of each myelinated nerve fiber in the peripheral nervous system?
endoneurium
perineurium
epineurium
What is the sheath of connective tissue surrounding a bundle (fascicle) of nerve fibers within a nerve?
endoneurium
perineurium
epineurium
What is the outermost layer of dense irregular connective tissue surrounding a peripheral nerve. It usually surrounds multiple nerve fascicles as well as blood vessels which supply the nerve?
endoneurium
perineurium
epineurium
Which lobe controls sense of hearing and memories?
Frontal
Parietal
Temporal
Occipital
Which part of the brain controls feelings, personality, and complex thought?
Cerebellum
Frontal Lobe
Brain Stem
Parietal Lobe
All of the following are lobes of the cerebrum except...
Frontal
Cerebellum
Temporal
Parietal
Name this structure.
Cerebrum
Cerebellum
Brain Stem
Basal Ganglia
The cerebellum controls...
Movement and Balance
Heartbeat and Breathing
Personality and Feelings
Sight
If you were having trouble balancing, what part of your brain might be affected?
Occipital Lobe
Brain Stem
Cerebellum
Frontal Lobe
The corpus callosum
manages our understanding of speech and language
cannot process messages sent from the left hand
is a deep fissure in the cerebral cortex
is a thick band of nerve fibres linking the two hemispheres of the brain
The cerebrum is divided into...
Parts
Sections
Lobes
Chunks
What are the two parts of the diencephalon?
hypothalamus
pituitary gland
pons
medulla oblongata
What part of the brain is part of the diencephalon. It controls your body's hormones. It responds to internal and external conditions to keep your body functions stable and constant?
Hypothalamus
Cerebellum
Hippocampus
Thalamus
What part of the brain is this?
- Called the master gland
- Has 2 parts - anterior and posterior
- Hypothalamus controls its activity
- It secretes a variety of hormones into the bloodstream which act as messengers to transmit information from the pituitary gland to distant cells, regulating their activity.
pituitary gland
hypothalamus
brain stem
cerebellum
What are the 3 parts of the brainstem?
medulla oblongata
pons
midbrain
pituitary gland
hypothalamus
What is this structure of the brain?
- located in brain stem
- It processes information to and from the spinal cord and cerebellum
- Helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing.
medulla oblongata
pons
midbrain
pituitary gland
hypothalamus
What is this structure of the brain?
- Largest part of the brain stem.
- Group of nerves that help connect different parts of the brain.
- They are involved in facial movements and transmitting sensory information.
medulla oblongata
pons
midbrain
pituitary gland
hypothalamus
What is this structure of the brain?
- Part of the brain stem
- Helps control eye movement and processes visual and auditory information.
medulla oblongata
pons
midbrain
pituitary gland
hypothalamus
What are elevated ridges "winding" around the brain?
gyri
sulci
fissure
What are small grooves dividing the gyri?
gyri
sulci
fissure
What are deep grooves, generally dividing large regions/lobes of the brain?
gyri
sulci
fissure
What is fissure A?
The ___________ arises about the middle of the hemisphere, and separates the frontal lobe from the parietal lobe.
central sulcus
parieto-occipital
lateral cerebral fissure (Sylvian fissure)
What is fissure B?
The ___________ separates the temporal lobe from the frontal and parietal lobs.
central sulcus
parieto-occipital
lateral cerebral fissure (Sylvian fissure)
What is fissure C?
The ___________ separates the cerebral hemispheres.
central sulcus
parieto-occipital
lateral cerebral fissure (Sylvian fissure)
longitudinal fissure
What is fissure D?
The ___________ separates the parietal lobe from the occipital lobe.
central sulcus
parieto-occipital
lateral cerebral fissure (Sylvian fissure)
longitudinal fissure
What is this sulcus?
It separates the fusiform gyrus and the hippocamal gyrus on the lower surface of the temporal lob
lateral sulcus (Syvian fissure)
central fissure
collateral sulcus
calcarine fissure
What is this sulcus?
This groove is located in the occipital lobes and divides the visual cortex.
lateral sulcus (Syvian fissure)
central fissure
collateral sulcus
calcarine fissure
What is this gyrus? This fold in the parietal lobe is the area of the brain that assists in processing auditory and visual stimuli. It is also involved in language comprehension.
Angular gyrus
Broca's area
Cingulate gyrus
Fusiform gyrus
Hippocampal gyrus
What is this gyrus? This area of the brain, located in the left frontal lobe in most individuals, controls motor functions involved with speech production.
Angular gyrus
Broca's area
Cingulate gyrus
Fusiform gyrus
Hippocampal gyrus
What is this gyrus? This bulge, located in the temporal and occipital lobes, consists of lateral and medial parts. It is thought to play a role in facial and word recognition.
Angular gyrus
Broca's area
Cingulate gyrus
Fusiform gyrus
Hippocampal gyrus
What is this gyrus? This arch-shaped fold in the brain is located above the corpus callosum. It is a component of the limbic system that processes sensory input concerning emotions and regulates aggressive behavior.
Angular gyrus
Broca's area
Cingulate gyrus
Fusiform gyrus
Hippocampal gyrus
What is this gyrus? This coil of the occipital lobe is involved in visual processing. The lingual gyrus is bordered by the calcarine sulcus and collateral sulcus. Anteriorly, the lingual gyrus is continuous with the parahippocampal gyrus and together they form the medial portion of the fusiform gyrus.
Lingual gyrus
Broca's area
Cingulate gyrus
Fusiform gyrus
Hippocampal gyrus
What structures protects the brain and spinal cord from mechanical injury. It provides blood supply to the skull and to the hemispheres. It provides a space for the flow of cerebrospinal fluid?
meninges
cerebellum
brain stem
diencephalon
The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ________.
arachnoid villi
meninges
ventricles
diencephalon
Which one of the following represents the correct sequence from most superficial to deepest layers of the meninges?
dura mater, pia mater, arachnoid mater
dura mater, arachnoid mater, pia mater
pia mater, arachnoid mater, dura mater
pia mater, dura mater, arachnoid mater
What is #2?
- This layer is filled with an intricate "web" of collagen.
- Thin, transparent membrane that surrounds the spinal cord like a loosely fitting sac.
pia mater
arachnoid mater
dura mater
watsa mater
What is #1?
- the toughest and outermost layer of the meninges, lies directly underneath the skull
- Made of dense irregular CT
- divided into two layers with a sinus in between them.
- Responsible for keeping in the cerebrospinal fluid
pia mater
arachnoid mater
dura mater
cauda equina
What is A?
- It is the thickest, outermost layer of the dura mater
- It lines the skull
endosteal layer
meningeal layer
What is B?
- Innermost layer
- Lines the endosteal layer most of the time except in the falx cerebri and tentorium cerebelli
endosteal layer
meningeal layer
The _________________ are spaces between the endosteal and meningeal layers of the dura.
They contain venous blood that originates for the most part from the brain or cranial cavity. They contain an endothelial lining that is continuous into the veins that are connected to them.
dural sinus
subarachnoid space
pia mater
arachnoid mater
What is the "space" between the arachnoid layer and the pia mater. This space houses the brains cisterns or pools of cerebrospinal fluid as well as cerebral arteries and veins.
dural sinus
subarachnoid space
arachnoid membrane
dura mater
What is #4? This innermost layer lines every sulci and gyri of the hemispheres, contours the brainstem, and all the folds of the cerebrum.
dura mater
arachnoid layer
pia mater
What is #1?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Abducens - moves eyeballs
What is #2?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Abducens - moves eyeballs
What is #3?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Abducens - moves eyeballs
What is #4?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Trochlear - moves eyeballs
What is #5?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Trochlear - moves eyeballs
What is #6?
Olfactory - smell
Optic - vision
Oculomotor - moves eyelids, rotates eyeballs, adjusts pupils and lens on the eye
Trigeminal - moves facial muscles by chewing and facial sensation
Abducens - moves eyeballs
What is #7?
Facial - tears, taste, facial expression, saliva production
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
What is #8?
Facial - tears, taste, facial expression, saliva production
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
What is #9?
Facial - tears, taste, facial expression, saliva production
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
What is #10?
Facial - tears, taste, facial expression, saliva production
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
What is #11?
Facial - tears, taste, facial expression, saliva production
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
What is #12?
Hypoglossal - formulates speech, moving tongue, swallowing
Vestibulocochlear - auditory
Glossopharyngeal - swallowing, saliva production, taste
Vagus - controls PNS
Accessory - allows head and shoulder movements; swallowing
