N440- Unit 4 Exam: ICR UPDATED
ACTUAL Exam Questions and CORRECT
Answers
mechanisms and conditions that impact intracranial processing and function or the ability of the
brain to maintain optimum function despite mechanism or conditions that impact intracranial
processing - CORRECT ANSWER - intracranial regulation
the brain needs _____ & _____ so the body can operate normally - CORRECT
ANSWER - perfusion and oxygenation
the _____ neuron is the sensory component of the nervous system; the neurons come from the
peripheral receptors and are signaled back to the CNS - CORRECT ANSWER - afferent
neuron
the _____ neuron is the motor neuron; neurons go from the CNS to the muscles and other organs
- CORRECT ANSWER - efferent
this part of the neuron system is made of the brain and spinal cord - CORRECT
ANSWER - central nervous system
this nervous system links the CNS and body structures - CORRECT ANSWER -
peripheral nervous system
this nervous system senses and controls the viscera and organs that are not in our control -
CORRECT ANSWER - autonomic nervous system
we don't control the _____ nervous system which affects the HR and breathing (things we can't
control) - CORRECT ANSWER - autonomic
what can disrupt perfusion to the brain? - CORRECT ANSWER - stroke
,clots
hemorrhage
edema
shock
hypovolemia
what can cause disrupted neurotransmissions? - CORRECT ANSWER -
neurodegenerative diseases (MS, parkinsons)
drugs (cocaine/ morphine)
toxins
chemo
what diseases affect brain tissue? - CORRECT ANSWER - tumors
brain atrophy
infection (meninges)
cerebral spinal fluid should be _____in color - CORRECT ANSWER - clear
_____ can help bring down ICP by causing vasodilation - CORRECT ANSWER -
hyperventilation
______ is swelling of the brain and _____ is the increased pressure in the brain - CORRECT
ANSWER - cerebral edema; intracranial pressure
______ is a critical assessment finding - CORRECT ANSWER - ICP
what are early symptoms of ICP? - CORRECT ANSWER - adults: headache or change in
LOC
children: irritability, lethargy, poor feeding, may have bulge of fontanel
,what is the easiest way to tell there is a change in neuro cognition? - CORRECT
ANSWER - LOC (ask date/time/where they are)
what is the normal ICP? Critical? - CORRECT ANSWER - 15 mm Hg = normal
20 mm Hg = critical
ICP is more critical in children; there is no expansion of the skull after age ____ and skull
sutures are ossified by age of ___ - CORRECT ANSWER - 5; 12
you need an O2 higher than ____ to adequately oxygenate the brain - CORRECT
ANSWER - 90
ventricular, subarachnoid, intraparenchymal, epidural, and subdural are all monitoring devices to
measure the ____ - CORRECT ANSWER - ICP
________ measures blood flow to the brain; it is auto regulated - CORRECT ANSWER -
cerebral perfusion pressure
cerebral perfusion pressure increases with ______ and ________ - CORRECT ANSWER -
hypercapnia & hypoxia
the CPP is the difference between MAP and ____ - CORRECT ANSWER - ICP
this is just another way to measure ICP; it like a specific blood pressure for the brain -
CORRECT ANSWER - cerebral perfusion pressure
if BP is decreased or ICP is increased the blood flow to the brain may be _____ and can cause a
decrease in CPP - CORRECT ANSWER - limited
, the elderly population is more at risk for ICR issues because of: - CORRECT ANSWER -
degenerative pathologic conditions, falls, and med errors
children, adolescents, and young adults are at risk for ICR because of: - CORRECT
ANSWER - falls, motor vehicle accidents (MVAs), and drugs
it is extremely important to have a focused _____ assessment paying particular attention to
_____ - CORRECT ANSWER - neuro; vital signs
this is an indication of increased intracranial pressure via vital sign changes: - CORRECT
ANSWER - cushing's triad
what is seen in a cushing's triad? - CORRECT ANSWER - increased blood pressure (big
gap in the diastolic and systolic pressure- widening pulse pressure)
decrease pulse
decrease respirations
what should your neuro exam consist of? - CORRECT ANSWER - mental status
cranial nerves
motor system
sensation
reflexes
cerebellar function
it is important to assess the _____ especially for meningitis (watch for rashes/legions) -
CORRECT ANSWER - skin
Battle sign, Raccoon eyes, and CSF draining from ears/nose is associated with? - CORRECT
ANSWER - TBIs
ACTUAL Exam Questions and CORRECT
Answers
mechanisms and conditions that impact intracranial processing and function or the ability of the
brain to maintain optimum function despite mechanism or conditions that impact intracranial
processing - CORRECT ANSWER - intracranial regulation
the brain needs _____ & _____ so the body can operate normally - CORRECT
ANSWER - perfusion and oxygenation
the _____ neuron is the sensory component of the nervous system; the neurons come from the
peripheral receptors and are signaled back to the CNS - CORRECT ANSWER - afferent
neuron
the _____ neuron is the motor neuron; neurons go from the CNS to the muscles and other organs
- CORRECT ANSWER - efferent
this part of the neuron system is made of the brain and spinal cord - CORRECT
ANSWER - central nervous system
this nervous system links the CNS and body structures - CORRECT ANSWER -
peripheral nervous system
this nervous system senses and controls the viscera and organs that are not in our control -
CORRECT ANSWER - autonomic nervous system
we don't control the _____ nervous system which affects the HR and breathing (things we can't
control) - CORRECT ANSWER - autonomic
what can disrupt perfusion to the brain? - CORRECT ANSWER - stroke
,clots
hemorrhage
edema
shock
hypovolemia
what can cause disrupted neurotransmissions? - CORRECT ANSWER -
neurodegenerative diseases (MS, parkinsons)
drugs (cocaine/ morphine)
toxins
chemo
what diseases affect brain tissue? - CORRECT ANSWER - tumors
brain atrophy
infection (meninges)
cerebral spinal fluid should be _____in color - CORRECT ANSWER - clear
_____ can help bring down ICP by causing vasodilation - CORRECT ANSWER -
hyperventilation
______ is swelling of the brain and _____ is the increased pressure in the brain - CORRECT
ANSWER - cerebral edema; intracranial pressure
______ is a critical assessment finding - CORRECT ANSWER - ICP
what are early symptoms of ICP? - CORRECT ANSWER - adults: headache or change in
LOC
children: irritability, lethargy, poor feeding, may have bulge of fontanel
,what is the easiest way to tell there is a change in neuro cognition? - CORRECT
ANSWER - LOC (ask date/time/where they are)
what is the normal ICP? Critical? - CORRECT ANSWER - 15 mm Hg = normal
20 mm Hg = critical
ICP is more critical in children; there is no expansion of the skull after age ____ and skull
sutures are ossified by age of ___ - CORRECT ANSWER - 5; 12
you need an O2 higher than ____ to adequately oxygenate the brain - CORRECT
ANSWER - 90
ventricular, subarachnoid, intraparenchymal, epidural, and subdural are all monitoring devices to
measure the ____ - CORRECT ANSWER - ICP
________ measures blood flow to the brain; it is auto regulated - CORRECT ANSWER -
cerebral perfusion pressure
cerebral perfusion pressure increases with ______ and ________ - CORRECT ANSWER -
hypercapnia & hypoxia
the CPP is the difference between MAP and ____ - CORRECT ANSWER - ICP
this is just another way to measure ICP; it like a specific blood pressure for the brain -
CORRECT ANSWER - cerebral perfusion pressure
if BP is decreased or ICP is increased the blood flow to the brain may be _____ and can cause a
decrease in CPP - CORRECT ANSWER - limited
, the elderly population is more at risk for ICR issues because of: - CORRECT ANSWER -
degenerative pathologic conditions, falls, and med errors
children, adolescents, and young adults are at risk for ICR because of: - CORRECT
ANSWER - falls, motor vehicle accidents (MVAs), and drugs
it is extremely important to have a focused _____ assessment paying particular attention to
_____ - CORRECT ANSWER - neuro; vital signs
this is an indication of increased intracranial pressure via vital sign changes: - CORRECT
ANSWER - cushing's triad
what is seen in a cushing's triad? - CORRECT ANSWER - increased blood pressure (big
gap in the diastolic and systolic pressure- widening pulse pressure)
decrease pulse
decrease respirations
what should your neuro exam consist of? - CORRECT ANSWER - mental status
cranial nerves
motor system
sensation
reflexes
cerebellar function
it is important to assess the _____ especially for meningitis (watch for rashes/legions) -
CORRECT ANSWER - skin
Battle sign, Raccoon eyes, and CSF draining from ears/nose is associated with? - CORRECT
ANSWER - TBIs
