BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
spinal cord - (answer)begins at the foramen magnum
end at L1 and L2
ascending descending
cervical (arms) and lumbosacral enlargements (legs)
reflex center
A thick cord of tissue that starts at the head.
Spinal cord-white mater - (answer)White columns
Dorsal funiculus
Ventral funiculus
lateral funiculus
Spinal cord-nerves - (answer)Dorsal root ganglion
Dorsal root
spinal nerve
ventral root
spinal cord gray matter - (answer)Somatic and visceral sensory and somatic and visceral motor nuclei
(know where these are on figure)
spina bifida - (answer)congenital defect in which one or more vertebrae fail to complete vertebral arch
for enclosure of the spinal cord
Folic acid reduces risk
spinal cord meninges - (answer)dura mater, arachnoid mater, pia mater
,BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
sensory areas of cerebral cortex - (answer)General senses and special senses
General senses of the cerebral cortex - (answer)Pain, temperatures, touch, pressure, and vibration
Proprioception
Special sense of the cerebral cortex - (answer)vision, hearing, taste (gustation), smell(olfactory),
equillibrium(vestibular)
cerebral lateralization - (answer)the division of labor between the two cerebral hemispheres such that
each hemisphere is specialized for particular types of processing
Left-controls language, math, logic (90%)
Right-controls visual-spatial skills, intuition, emotion, artistic, and musical skills (10%0
decussation - (answer)cross- over
contralateral
relay - (answer)chain of neurons
somatotopy - (answer)spatial representation of body on cortex
symmetry - (answer)pair pathways
what on left is on right
first order (sensory) - (answer)-recieves from the cutaneous receptors and proprioceptors
-extends to spinal cord or medulla
,BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
second order (interneuron) - (answer)-cell body to Dorsal horn of spinal cord or medullary nuclei
-extends to thalamus or cerebellum
third order (interneuron) - (answer)-cell body to thalamus
- extends to somatosensory cortex
-not present in cerebellum
medial leminiscal pathway (ascending) - (answer)-cuneatus fasciculis
-gracilis fascilius
-transmits to somatosensory cortex
-discriminative touch and vibration
cuneatus fasciculus - (answer)diaphagram up
gracilis fasiculus - (answer)diaphragm down
spinothalamic pathway (ascending) - (answer)-transmits to somatosensory cortex
- pain, temp, crude touch, pressure
spinocerebllar tracts (ascending) - (answer)-transmits to cerebellum
- propioception
- coordinates muscles activity
proprioceptions - (answer)balance, body location
, BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
ascending - (answer)medial lemiscal pathway
spinothalmic pathway
spinocerebellar tracts
descending - (answer)upper motor
lower motor
direct pathway
indirect pathway
upper motor neuron - (answer)begin in primary motor cortex, in brain stem
lower motor neuron - (answer)begin in ventral horn
innervate skeletal muscles
direct pathways - (answer)begins in cerebral cortex
indirect pathways - (answer)begins in brainstem
direct - (answer)corticospinal
indirect - (answer)tectospinal
vestibulospinal
rubrospinal
reticulospinal
corticospinal - (answer)fast and fine movements of skeletal muscles
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
spinal cord - (answer)begins at the foramen magnum
end at L1 and L2
ascending descending
cervical (arms) and lumbosacral enlargements (legs)
reflex center
A thick cord of tissue that starts at the head.
Spinal cord-white mater - (answer)White columns
Dorsal funiculus
Ventral funiculus
lateral funiculus
Spinal cord-nerves - (answer)Dorsal root ganglion
Dorsal root
spinal nerve
ventral root
spinal cord gray matter - (answer)Somatic and visceral sensory and somatic and visceral motor nuclei
(know where these are on figure)
spina bifida - (answer)congenital defect in which one or more vertebrae fail to complete vertebral arch
for enclosure of the spinal cord
Folic acid reduces risk
spinal cord meninges - (answer)dura mater, arachnoid mater, pia mater
,BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
sensory areas of cerebral cortex - (answer)General senses and special senses
General senses of the cerebral cortex - (answer)Pain, temperatures, touch, pressure, and vibration
Proprioception
Special sense of the cerebral cortex - (answer)vision, hearing, taste (gustation), smell(olfactory),
equillibrium(vestibular)
cerebral lateralization - (answer)the division of labor between the two cerebral hemispheres such that
each hemisphere is specialized for particular types of processing
Left-controls language, math, logic (90%)
Right-controls visual-spatial skills, intuition, emotion, artistic, and musical skills (10%0
decussation - (answer)cross- over
contralateral
relay - (answer)chain of neurons
somatotopy - (answer)spatial representation of body on cortex
symmetry - (answer)pair pathways
what on left is on right
first order (sensory) - (answer)-recieves from the cutaneous receptors and proprioceptors
-extends to spinal cord or medulla
,BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
second order (interneuron) - (answer)-cell body to Dorsal horn of spinal cord or medullary nuclei
-extends to thalamus or cerebellum
third order (interneuron) - (answer)-cell body to thalamus
- extends to somatosensory cortex
-not present in cerebellum
medial leminiscal pathway (ascending) - (answer)-cuneatus fasciculis
-gracilis fascilius
-transmits to somatosensory cortex
-discriminative touch and vibration
cuneatus fasciculus - (answer)diaphagram up
gracilis fasiculus - (answer)diaphragm down
spinothalamic pathway (ascending) - (answer)-transmits to somatosensory cortex
- pain, temp, crude touch, pressure
spinocerebllar tracts (ascending) - (answer)-transmits to cerebellum
- propioception
- coordinates muscles activity
proprioceptions - (answer)balance, body location
, BIO 225 EXAM 4 TARA DUCK EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+
ascending - (answer)medial lemiscal pathway
spinothalmic pathway
spinocerebellar tracts
descending - (answer)upper motor
lower motor
direct pathway
indirect pathway
upper motor neuron - (answer)begin in primary motor cortex, in brain stem
lower motor neuron - (answer)begin in ventral horn
innervate skeletal muscles
direct pathways - (answer)begins in cerebral cortex
indirect pathways - (answer)begins in brainstem
direct - (answer)corticospinal
indirect - (answer)tectospinal
vestibulospinal
rubrospinal
reticulospinal
corticospinal - (answer)fast and fine movements of skeletal muscles
