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NWHSU Mash CNS 1 CSF

NWHSU Mash CNS Test 1 CSF and syndromes

QuestionAnswer
what stage of consciousness is characterized by nearly absent voluntary and spontaneous movements and elicited responses only with painful stimulation Stupor
What stage of consciousness is characterized by nearly absent voluntary and spontaneous movements and elicited responses only with painful stimuli. Stupor
damage to midbrain reticular nuclei results in __________ Coma
In the persistent vegetative state, the ______ is intact but the ______ is not intact. Reticular activating system, cerebral cortex
Which of the following are typically characteristice of persons in a persistent vegetative state? Have normal sleep-wake cycles, Respond slowly but appropriately to questions, Recognize familiar objects but have trouble verbalizing the name, Respond to pa Have normal sleep-wake cycles, Respond to pain
in a persistent vegetative state, the ________ is intact but the ________ is damaged reticular activating system; cerebral cortex
Which of the following are characteristic of a person in persistent vegatative state. Responds appropriately to simple commands, Has normal sleep/wake cycles, Makes spontaneous eye movements, has an intact cerebral cortex, has an intact reticular activat Has normal sleep/wake cycles, Makes spontaneous eye movements, has an intact reticular activating system
which area of the brain show early changes in Alzheimer's disease hippocampus; entorhinal cortex; associated areas of cerebral cortex
name the defect in Arnold-chiari syndrome cerebellum and medulla are pulled through foramen magnum
In Arnold-Chiari malformation the vertebral column grows faster than the spinal cord and portions of the ____are pulled through foramen magnum cerebellum and medulla
what is the fundamental developmental malformation in Dandy-Walker syndrome? congenital malformation of the lateral and medial aperature (absence)
Name the defect in dandy-walker syndrome absence of medial and lateral apertures
Dandy-Walker syndrome involves congenital absence of ________ medial and lateral apertures
Dandy-Walker syndrome is one condition that may lead to hydrocephalus. what is the underlying malformation in this condition congenital absence of lateral and medial apertures in 4th ventricle
name the defect in encephalocele failure of the anterior neuropore to close
levels of gamma globulins are elevated in the cerebrospinal fluid in what disease multiple sclerosis; Guillion-Barre syndrome
excessive movement of the brain relative to the skull commonly damages ______ and _______ superior cerebral vein; superior sagittal sinus
name the defect in spina bifida occulta? failures of the posterior neuropore to close and the neural arch to form
what condition results from failure of the posterior neuropore to close spina bifida
headache resulting from inflammation in the meninges of the posterior cranial cavity will be referred to the _________ because the meninges are innervated by _______ A) entire head and back of neck B) first 3 cervical nerves
if data leads you to suspect shaken baby syndrome first call 911 then the second step is to _______ report to police
irritation of the meninges in the posterior cranial fossa would cause headache referred to ___________ back of head and neck
pressure of the CSF is controlled by arachnoid villi
the amount of _________ is much higher in the serum than in the CSF protein
The concentration of what substance is notably lower in the cerebrospinal fluid in the blood serum Protein
the primary difference in composition between the CSF and serum is that CSF has far less _______ protein
The rate of CSF formation is ____ ml per day. 130 ml per day
3 month old infant presents with bulging fontanelles, lethargy, and vomiting. based only on these observations what is a valid conclusion infant has increased cranial pressure
what type of hemorrhage would be associated with congenital aneurysm, yellow CSF, and severe headache? subarachnoid hemorrhage
What type of head injury would likely result in a subdural hemorrhage? a blow to the front or back of the head
A person sustains a blow to the forehead and several hours later begins to show signs and symptoms of increased cranial pressure. A) what kind of hemorrhage has likely occurred B) which wessels are likely involved A) subdural hemorrhage B) superior cerebral vein as it enters superior saggital sinus
Choroid plexus produces about ____% of the cerebrospinal fluid ( CSF ). 70
which of the following is a normal amount of CSF 100mL
CSF pressure is determined by the rate of ______- arachnoid villi absorption
Which ONE of the following is significantly higher in the CSF than in Serum? A) Protein B) Glucose C) Na+ D) Ca++ C) Na+ protein is significantly lower
Yellow colored CSF is caused by a breakdown of ______ in the CSF. This is a sign of a _______ hemorrhage. breakdown of red blood cells to hemoglobin to bilirubin, subarachnoid
name the type of hemorrhage described, would result in bilirubin in the CSF Subarachnoid
Yellow colored CSF is suggestive of _______ subarachnoid hemorrhage
A person presents with sudden onset of an extremely severe headache without a history of head trauma. what is the most likely reason for this hemorrhage? if a spinal tap is performed what's likely to be in the CSF? subarchnoid hemorrhage; red blood cells
Which of the following is a cause of hydrocephalus? Increased CSF production; Obstructed CSF flow; Blocked absorption of CSF Increased CSF production, Obstructed CSF flow
While watching hockey practice, a bystander is struck on the pterion by an errant puck. Over the next 30 minutes the person complains of headache and nausea and becomes drowsy. You suspect and epidural hemorrhage due to rupture of the _____artery. Other middle meningeal; papilledema, unconsciousness; 911
Which of the following is NOT a sign or symptom of increased intracranial pressure: A) lethargy B) nausea and vomiting C) increased heart rate D) increased blood volume E) all above C) increased heart rate
Which of the following may produce cerebral ischemia? Hemorrhage, Emboli, Increased intracranial pressure Hemorrhage, Emboli, and Increased intracranial pressure
which of the following would NOT likely cause cerebral ischemia? A) Increased CSF pressure B) Papilledema C) Emboli D) Hemorrhage E) all could cause ischemia B) papilledema
Papilledema seen in increased intracranial pressure is caused by _____ decreased venous return to central retina vein
why does papilledema occur with increased intracranial pressure? decreased venous return to central retina vein
What 2 conditions can result in dilation of the ventricles ?ventriculomegaly, cardiomyopathy
tight junctions between choroidal epithelial cells is the basis of the blood csf barrier
what demyelinating disease is associated with elevated levels of gamma globulin in the csf multiple sclerosis
failure of what embryonic event results in anaencephaly closure of the anterior neuropore
in arnold-chiari malformation, csf flow is blocked because of displacement of medulla and cerebellum
Created by: AnatomyMash