Transcript Click here for Final Jeopardy Neurons PNS

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Final Jeopardy
CNS
Neurons
Nerve
Impulse
PNS/
Autonomic
Anything
Goes
10 Point
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50 Points
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CNS refers to…?
Brain and Spinal
Cord
Regulates body
temperature,
water balance and
metabolism
Hypothalamus
Provides
involuntary
coorination of
body movements,
balance
cerebellum
What are the three
major parts of the
brain stem?
Midbrain
Pons
Medulla oblongota
Primary motor
area, sends
impulses to skeletal
muscle
Frontal Lobe
Gap between two communicating neurons
a.
Effector
b.
Schwann cell
c.
Synaptic cleft
d.
Node of Ranvier
Node of ranvier
Schwann cell forms a myelin sheath
around the:
a. Axon
b. Dendrites
c. Cell body
d. nucleus
axon
A neuron with a cell body located in the
CNS whose primary function is
connecting other neurons:
a. Glial cell
b. Afferent neuron
c. Association neuron
d. Efferent neuron
association
The neuron process that normally
receive incoming stimuli are called:
a. Neurolemmas
b. Dendrites
c. Satellite cells
d. axons
dendrites
Collection of nerve bodies inside the CNS
a. Nerves
b. Ganglia
c. tracts
d. Tracts or ganglia
ganglia
Impulse conduction is fastest in
neurons that are:
a. Myelinated
b. Unmyelinated
c. Sensory
d. motor
myelinated
Which of the following is the correct
sequence in a typical reflex arc:
a.Receptor, afferent neuron, efferent neuron,
integration center, effector
b.Receptor, efferent neuron, integration center,
afferent neuron, effector
c.Receptor, afferent neuron, integration center,
efferent neuron, effector
d.Effector, afferent neuron, integration center,
efferent neuron, receptor
Receptor, afferent neuron,
integration center, efferent
neuron, effector
A substance that is
released at axonal
endings to propagate
a nervous impulse
neurotransmitter
An action potential:
a. Is initiated by potassium ion movements
b. Is essential for nerve impulse propagation
c. Involves the outflux of negative ions to depolarize the
membrane
d. Involves the influx of negative ions to depolarize the
membrane
Is essential for
nerve impulse
propagation
Put the following in the correct
order of what occurs following the
threshold potential
1.
Membrane becomes depolarized
2.Membrane becomes repolarized
3.Sodium channels open and sodium ions diffuse inward
4.Potassium channels open and potassium ions diffuse
outward while sodium is actively transported out of the
cell
1.
Sodium channels open and sodium ions diffuse
inward
2.
Membrane becomes depolarized
3.Potassium channels open and potassium ions diffuse
outward while sodium is actively transported out of the
cell
4.Membrane becomes repolarized
The PNS includes:
A. The brain and spinal cord
B. Spinal nerves only
C. Cranial nerves only
D. Both spinal and cranial nerves
d. Spinal and
cranial nerves
The sympathetic and
parasympathetic
nervous system are
subdivisions of what?
Autonomic nervous
system
Preparing body for “fight or flight”
during threatening situations is the
role of what subdivision of autonomic
nervous system?
sympathetic
Which of these effectors is NOT
directly controlled by the autonomic
nervous system?
a.
Abdominal organs
b.
Most glands
c. Cardiac muscle
d.
Skeletal muscle
e. Smooth muscle
skeletal
Which of the following effects is
characteristic of the parasympathetic
nervous system?
a.Decrease urine output
b.Increase metabolic rate
c.Decreases heart rate
d.Decreases activity of the digestive
system
Decrease heart rate
Afferent nerves are called ______, and motor nerves are
called _______
a. Mixed nerves: motor nerves
b. Motor nerves; sensory nerves
c. Sensory nerves; efferent nerves
d. Peripheral nerves; cranial nerves
Sensory; efferent
The elevated ridges of tissue on the surface of the cerebral
hemishperes are known as ____ while the shallow grooves
are termed _____
a. Ganglia; gyri
b. Sulci; gyri
c. Gyri; sulci
d. Receptors; effectors
Gyri; sulci
Which one of the following is the correct sequence of
nerves that exit the spinal cord, going from superior to
inferior:
a. Cervical spinal nerves, thoracic spinal nerves,
lumbar spinal nerves, sacral spinal nerves
b. Cervical spinal nerves, thoracic spinal nerves,
sacral spinal nerves, lumbar spinal nerves
c. Thoracic spinal nerves, cervical spinal nerves,
lumbar spinal nerves, sacral spinal nerves
d. Thoracic spinal nerves, cervical spinal nerves,
sacral spinal nerves, lumbar spinal nerves
a. Cervical spinal nerves, thoracic spinal nerves,
lumbar spinal nerves, sacral spinal nerves
Which of the following is a traumatic brain injury:
a. CVA
b. Parkinson’s disease
c. Cerebral edema
d. Alzheimer’s disease
Cerebral edema
The cerebrospinal fluid:
a.
Is secreted mostly by the ependymal
cells lining the brain ventricles
b.
Enters the four ventricles after
filling and circulating through the
subarachnoid space
c.
Is continually formed mostly by the
choroid plexuses
d.
Is identical in composition to whole
blood
Is continually formed mostly by the choroid
plexuses
Make your wager
Match the following
1.
2.
3.
4.
5.
Optic
Oculomotor
Vagus
Trigeminal
Glossopharyngeal
a.
b.
c.
d.
e.
Allows you to chew food
Allows you to taste food
Motor fiber for eye
Sensory nerve for vision
Promotes digestive
activity
1.
2.
3.
4.
Optic- sensory for vision
Oculomotor- motor fiber for eye muscle
Vagus- promotes digestive activity
Trigeminal- allows you to chew your
food
5. Glossopharyngeal- allows you to taste
your food