CCRN ADULT LEAKED EXAM VERIFIED
QUESTIONS AND CORRECT ANSWERS.
brain stem consists of - correct answer>>midbrain, pons, medulla oblongata
midbrain - correct answer>>A small part of the brain above the pons that
integrates sensory information and relays it upward. Reticulating activating
system -- controls sleep/wake cycle
pons - correct answer>>the part of the brainstem that links the medulla
oblongata and the thalamus
medulla oblongata - correct answer>>Part of the brainstem that controls
vital life-sustaining functions such as heartbeat, breathing, blood pressure,
and digestion.
blood-brain barrier - correct answer>>Blood vessels (capillaries) that
selectively let certain substances enter the brain tissue and keep other
substances out
permeable to H20 co2 o2 and lipid soluble substances restricts
anitboitoics, heavy metals. toxins
above _____ spinal cord injury need vent - correct answer>>C4
normal CSF - correct answer>>CSF: Leukocytes = 0-6, Neutrophils = 0%,
Glucose = 40-60, protein = 20-50
Clear/colorless no
RBC or wbc cranial
nerves - correct
,answer>>12 pairs
of nerves that
carry messages to
and from the brain
olfactory optic
oculmotor
trochlear
trigemnical
abducens facial
acoustic
glossopharyngeal
vagus spinal
accessory
hypoglossal
eye movement nerves - correct answer>>III, IV, VI oculomotor,
trochlear, abducens
most affected nerve in basilar skull fracture - correct answer>>olfactory
basilar skull fracture - correct answer>>Raccoon eyes (periorbital
ecchymosis) and Battle's sign (mastoid ecchymosis) rhinorrhea
most cerebral aneurysms are - correct answer>>in the circle of willis
most common cause of hemorrhagic CVA - correct answer>>htn abrupt
onset of 'worst headache ever'
embolic CVA - correct answer>>stroke due to blood clot - commonly from a
fib
, Pituitary Brain Tumor - correct answer>>cushings/acromegaly menstrual
dysfunction visual deficits
frontal brain tumor - correct answer>>inappropriate behavior
can't concentrate decreased recent memory
expressive aphasia
absence seizure - correct answer>>sudden loss of conciousness
myoclonic seizure - correct answer>>sudden brief jerking motions
atonic seizure - correct answer>>sudden loss of muscle tone
clonic seisure - correct answer>>rhythmic muscle jerking
tonic siezure - correct answer>>sustained muscle contraction
status epilepticus - correct answer>>continuous seizure activity >30 mins
Meningitis - correct answer>>inflammation of the meninges of the brain and
spinal cord; bacterial, viral or fungal
meningitis s/s - correct answer>>headache/fever/photophobia meningeal
signs- nuchal rigidity, Kernig's sign (when hip flexed to 90 degrees, complete
extension of the knee is restricted and painful)
Brudzinski's sign (attempts to flex the neck will produce flexion at knee and
thigh
alterations in mental status- confusion to coma seizures
infants--- refusal of feedings, vomiting/diarrhea, bulging frontanelles, vacant
stare, high-pitched cry
QUESTIONS AND CORRECT ANSWERS.
brain stem consists of - correct answer>>midbrain, pons, medulla oblongata
midbrain - correct answer>>A small part of the brain above the pons that
integrates sensory information and relays it upward. Reticulating activating
system -- controls sleep/wake cycle
pons - correct answer>>the part of the brainstem that links the medulla
oblongata and the thalamus
medulla oblongata - correct answer>>Part of the brainstem that controls
vital life-sustaining functions such as heartbeat, breathing, blood pressure,
and digestion.
blood-brain barrier - correct answer>>Blood vessels (capillaries) that
selectively let certain substances enter the brain tissue and keep other
substances out
permeable to H20 co2 o2 and lipid soluble substances restricts
anitboitoics, heavy metals. toxins
above _____ spinal cord injury need vent - correct answer>>C4
normal CSF - correct answer>>CSF: Leukocytes = 0-6, Neutrophils = 0%,
Glucose = 40-60, protein = 20-50
Clear/colorless no
RBC or wbc cranial
nerves - correct
,answer>>12 pairs
of nerves that
carry messages to
and from the brain
olfactory optic
oculmotor
trochlear
trigemnical
abducens facial
acoustic
glossopharyngeal
vagus spinal
accessory
hypoglossal
eye movement nerves - correct answer>>III, IV, VI oculomotor,
trochlear, abducens
most affected nerve in basilar skull fracture - correct answer>>olfactory
basilar skull fracture - correct answer>>Raccoon eyes (periorbital
ecchymosis) and Battle's sign (mastoid ecchymosis) rhinorrhea
most cerebral aneurysms are - correct answer>>in the circle of willis
most common cause of hemorrhagic CVA - correct answer>>htn abrupt
onset of 'worst headache ever'
embolic CVA - correct answer>>stroke due to blood clot - commonly from a
fib
, Pituitary Brain Tumor - correct answer>>cushings/acromegaly menstrual
dysfunction visual deficits
frontal brain tumor - correct answer>>inappropriate behavior
can't concentrate decreased recent memory
expressive aphasia
absence seizure - correct answer>>sudden loss of conciousness
myoclonic seizure - correct answer>>sudden brief jerking motions
atonic seizure - correct answer>>sudden loss of muscle tone
clonic seisure - correct answer>>rhythmic muscle jerking
tonic siezure - correct answer>>sustained muscle contraction
status epilepticus - correct answer>>continuous seizure activity >30 mins
Meningitis - correct answer>>inflammation of the meninges of the brain and
spinal cord; bacterial, viral or fungal
meningitis s/s - correct answer>>headache/fever/photophobia meningeal
signs- nuchal rigidity, Kernig's sign (when hip flexed to 90 degrees, complete
extension of the knee is restricted and painful)
Brudzinski's sign (attempts to flex the neck will produce flexion at knee and
thigh
alterations in mental status- confusion to coma seizures
infants--- refusal of feedings, vomiting/diarrhea, bulging frontanelles, vacant
stare, high-pitched cry
