NUR 4445 Neuro
- Major structures formed in the trimester of pregnancy
Answer first
- Any insult during development can cause CNS
Answer malformation
- Maturation of the nerve cells
-The number of glial cells and increases until age 4
- growth continues through puberty
Answer dendrites, brain
- Maturation of myelin in nerve cells
-Myelin covering axons is at birth
-As myelination increases, primitive reflexes
Answer incomplete, disappear
- Maturation of skull 1 / 3
-Cranial bones not fully ossified, allowing for
-Increase of risk for brain injury
Answer brain growth
- adults
-head=body size -neck muscles developed -skull
-vertebral bodies ossified
Answer fused
- infants/children
-head > body -poorly developed neck muscles with excessive mobility -skull not fused -cartilaginous
-vertebral bodies with incomplete ossification
Answer vertebra
- assessing LOC Awake
only only
Unresponsive
Answer Verbal, pain
9.-Flexor posturing
-Lesions above the brainstem 2 / 3
Answer decorticate (arms folded up to chest)
10.-Rigid extensor posturing -Lesions to the midbrain or brainstem
-Poor prognosis
Answer decerebrate (arms down and fingertips point away)
- coup
primary impact contrecoup
impact
Answer secondary
- Traumatic brain injury (TBI) cause of death in children under 15 y/o
Answer -
leading
- Primary patho of head injury
-At moment of impact, cellular damage -Coup Injury - point of initial contact -Contracoup - acceleration/deceleration of brain causes
- of small veins & arteries
- / 3