NR 412 - Exam 4 Questions With Correct
Answers
Central |Nervous |System |(CNS) |includes
brain |and |spinal |cord |(SC |bathed |in |cerebrospinal |fluid)
Peripheral |Nervous |System |(PNS) |includes
12 |pairs |of |cranial |nerves |and |31 |pairs |of |spinal |nerves
includes |SNS |and |ANS |(sympathetics |- |flight |or |fight |and |parasympathetic |- |rest/digest)
upper |motor |neurons
motor |neurons |in |the |CNS |that |control |the |lower |motor |neurons |in |the |PNS
controls |fine |motor |and |reflex |- |completly |contained |in |CNS
lower |motor |neurons
axons |leave |the |CNS, |extend |through |PNS |to |skeletal |muscles
neuromuscular |junction
,meeting |place |between |muscle |and |nerve
Blood |Brain |Barrier |(BBB)
physiological |barrier |between |the |circulatory |system |and |the |central |nervous |system |that |
establishes |a |privileged |blood |supply, |restricting |the |flow |of |substances |into |the |CNS
increased |permiability |for |kids |and |elderly |adults
Degenerative |Disc |Disease |(DDD)
dehydration |of |discs, |considered |part |of |aging |process
Spondylolysis
loss |of |vertebra |structure |(ex. |stress |fracture)
Sponylolisthesis
when |vertebrae |slides |forward |onto |vertebrae |below. |different |degrees |of |severity.
spinal |stenosis
narrowing |of |the |spinal |canal
, hypotonia
decreased |muscle |tone
hypertonia
increased |muscle |tone
paresis/paralysis
Partial |or |complete |loss |of |voluntary |muscle |contraction
Flaccidity
loss |of |muscle |tone, |limp
Spasticity
continuous |resistance |to |stretching |by |a |muscle |due |to |abnormally |increased |tension, |with |
increased |deep |tendon |reflexes |(increased |muscle |tone)
rigidity
lacking |flexibility; |fixed
tetany
Answers
Central |Nervous |System |(CNS) |includes
brain |and |spinal |cord |(SC |bathed |in |cerebrospinal |fluid)
Peripheral |Nervous |System |(PNS) |includes
12 |pairs |of |cranial |nerves |and |31 |pairs |of |spinal |nerves
includes |SNS |and |ANS |(sympathetics |- |flight |or |fight |and |parasympathetic |- |rest/digest)
upper |motor |neurons
motor |neurons |in |the |CNS |that |control |the |lower |motor |neurons |in |the |PNS
controls |fine |motor |and |reflex |- |completly |contained |in |CNS
lower |motor |neurons
axons |leave |the |CNS, |extend |through |PNS |to |skeletal |muscles
neuromuscular |junction
,meeting |place |between |muscle |and |nerve
Blood |Brain |Barrier |(BBB)
physiological |barrier |between |the |circulatory |system |and |the |central |nervous |system |that |
establishes |a |privileged |blood |supply, |restricting |the |flow |of |substances |into |the |CNS
increased |permiability |for |kids |and |elderly |adults
Degenerative |Disc |Disease |(DDD)
dehydration |of |discs, |considered |part |of |aging |process
Spondylolysis
loss |of |vertebra |structure |(ex. |stress |fracture)
Sponylolisthesis
when |vertebrae |slides |forward |onto |vertebrae |below. |different |degrees |of |severity.
spinal |stenosis
narrowing |of |the |spinal |canal
, hypotonia
decreased |muscle |tone
hypertonia
increased |muscle |tone
paresis/paralysis
Partial |or |complete |loss |of |voluntary |muscle |contraction
Flaccidity
loss |of |muscle |tone, |limp
Spasticity
continuous |resistance |to |stretching |by |a |muscle |due |to |abnormally |increased |tension, |with |
increased |deep |tendon |reflexes |(increased |muscle |tone)
rigidity
lacking |flexibility; |fixed
tetany
