AP 2 LECTURE
STUDY BUDDY 3
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, D e fi n e a n d d e s c r i b e r e s t i n g p o t e n t i a l , a c t i o n p o t e n t i a l ,
threshold, depolarization, repolarization, and hyperpolarization
Know the chemicals responsible for pain sensation
What are the components of the myelin sheath
K n o w t h e m a k e - u p a n d f u n c t i o n s o f u n i p o l a r, b i p o l a r, a n d
multipolar neurons
Where are voltage gated channels located on a neuron
Where do action potentials begin and end
Know K n o w t h e d i r e c t i o n o f m o v e m e n t o f s e n s o r y ( a ff e r e n t ) a n d m o t o r
( e ff e r e n t ) n e u r o n s
Know the major parts of a neuron
these D e fi n e t h e f u n c t i o n a n d l o c a t i o n o f a s y n a p t i c c l e f t
Where are graded potentials formed and located on a neuron
Know the descriptions and functions of the four neuroglial cells
of the CNS and two of the PNS
Which are the most numerous of the neuroglial cells
Know the locations of intracellular and extracellular ions of a
resting potential
, Know the major functions and divisions of the nervous system
D e fi n e s u m m a t i o n , s a l t a t i o n , a n d c o n t i n u o u s c o n d u c t i o n
Know structures associated with/found in the CNS and PNS
D e fi n e d e r m a t o m e , p l e x u s , t r a c t
Know the plexuses, their major nerves, and muscles innervated by
each
D e s c r i b e t h e d i ff e r e n t t y p e s o f r e fl e x e s ( c r o s s e d e x t e n s o r, B a b i n s k i ,
etc.)
Know the spinal nerve function and the number of spinal nerves in
each segment/region. Also, where does the spinal cord begin and end
And these Know the location, function, and spaces associated with the meninges
Know contents of each space of the meninges
Which nerve innervates the diaphragm
Describe the function of the posterior/dorsal rood
Which is the largest and longest nerve in the body
Know how to determine movement of information of various ascending
and descending tracts
Know the nerves associated with carpal tunnel syndrome
K n o w t h e fi v e p a r t s o f a r e fl e x a r c
, 1. Resting Potential
The resting potential is the electrical
charge across the plasma membrane of
Defi ne and describe a neuron when it is not actively sending
resting potential, a signal.
action potential,
Description: The inside of the neuron is
threshold,
negatively charged relative to the
depolarization, outside. This is maintained primarily by
repolarization, and the sodium-potassium pump, which
hyperpolarization pumps $3 Na^+$ out for every $2 K^+$
it brings in.
Typical Value: Approximately -70 mV.
STUDY BUDDY 3
???
, D e fi n e a n d d e s c r i b e r e s t i n g p o t e n t i a l , a c t i o n p o t e n t i a l ,
threshold, depolarization, repolarization, and hyperpolarization
Know the chemicals responsible for pain sensation
What are the components of the myelin sheath
K n o w t h e m a k e - u p a n d f u n c t i o n s o f u n i p o l a r, b i p o l a r, a n d
multipolar neurons
Where are voltage gated channels located on a neuron
Where do action potentials begin and end
Know K n o w t h e d i r e c t i o n o f m o v e m e n t o f s e n s o r y ( a ff e r e n t ) a n d m o t o r
( e ff e r e n t ) n e u r o n s
Know the major parts of a neuron
these D e fi n e t h e f u n c t i o n a n d l o c a t i o n o f a s y n a p t i c c l e f t
Where are graded potentials formed and located on a neuron
Know the descriptions and functions of the four neuroglial cells
of the CNS and two of the PNS
Which are the most numerous of the neuroglial cells
Know the locations of intracellular and extracellular ions of a
resting potential
, Know the major functions and divisions of the nervous system
D e fi n e s u m m a t i o n , s a l t a t i o n , a n d c o n t i n u o u s c o n d u c t i o n
Know structures associated with/found in the CNS and PNS
D e fi n e d e r m a t o m e , p l e x u s , t r a c t
Know the plexuses, their major nerves, and muscles innervated by
each
D e s c r i b e t h e d i ff e r e n t t y p e s o f r e fl e x e s ( c r o s s e d e x t e n s o r, B a b i n s k i ,
etc.)
Know the spinal nerve function and the number of spinal nerves in
each segment/region. Also, where does the spinal cord begin and end
And these Know the location, function, and spaces associated with the meninges
Know contents of each space of the meninges
Which nerve innervates the diaphragm
Describe the function of the posterior/dorsal rood
Which is the largest and longest nerve in the body
Know how to determine movement of information of various ascending
and descending tracts
Know the nerves associated with carpal tunnel syndrome
K n o w t h e fi v e p a r t s o f a r e fl e x a r c
, 1. Resting Potential
The resting potential is the electrical
charge across the plasma membrane of
Defi ne and describe a neuron when it is not actively sending
resting potential, a signal.
action potential,
Description: The inside of the neuron is
threshold,
negatively charged relative to the
depolarization, outside. This is maintained primarily by
repolarization, and the sodium-potassium pump, which
hyperpolarization pumps $3 Na^+$ out for every $2 K^+$
it brings in.
Typical Value: Approximately -70 mV.
