NEURO Flashcards
Structural, Functional Unit
NEURONS
Chemical Messengers
Neurotransmitters
Cerebrum - ______, _______, _______
Motor, Sensory, Thoughts/Learning
Brain consist of 2 hemisphere:
Left & Right Hemisphere
Left hemisphere is responsible for 2L’s
- Logic
- Language
Right hemisphere is responsible for 3T’s
- emoTion
- arTistic
- spaTial
Motor, Sensory Control are?
Contralateral
Cerebral Cortex - ______ layer
outermost layer
Mental Status - morals, emotions, reasoning and judgement, concentration, abstraction, and memory retention
Frontal Lobe
Speech Center
Brocas Area
Aphasia:______cannot speak
Expressive Aphasia
Parietal Lobe is responsible for 2P’s & 3T’s
- Pain
- Pressure
- Touch
- Taste
- Temperature
What lobe is the visual center?
Occipital lobe
Cannot/Unable read
Alexia
What lobe is the auditory center of the brain?
Temporal Lobe
Region of the brain that responsible for comprehending speech:
Wernicke’s area
Cannot understand words/symbols:
Receptive Aphasia
Limbic system is responsible for ______.
Emotion
convert short-term to long-term memory
Hippocampus
short-term to long-term memory loss
Dementia
Responsible for Sex, Emotion (SEA)
Amygdala
Responsible for Sex, Emotion (SEA)
Amygdala
coordinates balance, posture
Cerebellum
Diencephalon contains ______, ______, ______.
Epithalamus, Thalamus, Hypothalamus
Responsible in secreting melatonin
Epithalamus
relays sensory information to cortex
Thalamus
links between the nervous and endocrine system by regulating pituitary gland
Hypothalamus
Regulates ANS→responses of SNS, PNS
Hypothalamus
Also known as Thermoregulatory Center
Hypothalamus
Regulates vital body functions such as HR, BP, RR SURVIVAL
Brain stem
- Regulates motor coordination
- Integrates: Visual reflex and Auditory reflex
Midbrain
Regulates the rhythm of breathing
Pons
Region of pons that prolongs inhalation
Apneustic Center
Region of pons that contributes to exhalation
Pneumotaxic Center
- vital center
- Reflex center for coughing, sneezing, swallowing, and vomiting
- Cardiovascular - respiratory regulation: RR, BP, HR
- Decussation of nerve fibers: lower medulla
Medulla Oblongata
Reticular Activating System - Controls ________________
sleep-wake cycles
Neurotransmitters of PNS:
Acetylcholine
Neurotransmitter of SNS:
Norepinephrine, Epinephrine
Pharmacology of PNS:
- (+) Cholinergic
- (-) Anticholinergic
Pharmacology of SNS:
- (+) Adrenergic
- (-) Sympatholytics
Effects on PNS:
“PARA-tae, -ihi, dura”
“ALL low, slow, except GI/GU”
Effects on SNS:
“DI maka-tae, -ihi, dura”
“ALL high, fast except GI/GU”
GI effect on PNS:
Diarrhea
GI effect on SNS:
- Constipation
- Emesis
Sweat gland effect on PNS & SNS:
both Diaphoresis
GU effect on PNS:
Urination
GU effects on SNS:
Retention
Eyes during PNS:
Miosis (constriction)
Eyes during SNS:
Mydriasis (dilation)
HR during PNS:
Bradycardia
HR during SNS:
Tachycardia
Respiratory Tract during PNS:
Bronchoconstriction
Respiratory Tract during SNS:
Bronchodilation
Lacrimal Gland during PNS:
⬆️Lacrimation
Lacrimal Gland during SNS:
No Tearing
LOC in PNS:
Lethargic
LOC in SNS:
Alert
Salivary Glands during PNS:
⬆️Salivation
Salivary Glands during SNS:
No saliva
What CN responsible for smell?
CN I Olfactory
What CN responsible for vision?
CN II Optic
What CN responsible for eye movement, elevation of lids, miosis?
CN III Oculomotor
What CN responsible for inward-downward eye movement?
CN IV Trochlear
What CN responsible for mastication, facial sensation?
CN V Trigeminal
What CN responsible for outward eye movement?
CN VI Abducens
What CN responsible for facial expression? model face (Zour, Zweet, Zalty)
CN VII Facial
What CN responsible for balance, hearing?
CN VIII Vestibulocochlear
What CN responsible for gag-reflex, bitter tatse?
CN IX Glossopharyngeal
What CN responsible for ⬇️HR, ⬆️GI motility?
CN X Vagus
What CN responsible for shoulder, neck movement?
CN XI Acessory
What CN responsible for tongue of tongue?
CN XII Hypoglossal
Sensory disorder of the CN V?
Trigeminal Neuralgia
BON other term for Trigeminal Neuralgia:
Tic Doloreaux
Types of pain in Trigeminal Neuralgia 3S:
- Sharp
- Stabbing
- Severe
What triggers Trigeminal Neuralgia? ChEWB
- Chewing
- Extreme temp.
- Washing
- Brushing
What is the management goal for trigeminal neuralgia?
⬇️Pain
What to avoid in trigeminal neuralgia?
ChEWB
What is the management oral care for trigeminal neuralgia?
Gargle
Management diet for Trigeminal Neuralgia?
- Consistency: soft, liquid
- Portion: small
- Chew: unaffected
Management diet for Trigeminal Neuralgia?
- Consistency: soft, liquid
- Portion: small
- Chew: unaffected
What drug given to trigeminal neuralgia?
Carbamazepine (Tegetrol)
Bell’s palsy is a motor damage of the CN____.
CN V
The most common cause of bell’s palsy is _____ specifically _____.
Viral infection: Herpes
What’s the hallmark sign of bell’s palsy?
Facial paralysis
Facial paralysis on Bell’s palsy was ______.
unilateral
How long was the recovery of bell’s palsy?
12 wks
Is there residual effects upon recovering from bell’s palsy?
No residual effects
Drugs given for bell’s palsy?
- Antiviral: “clovir” acyclovir
- Steroids: “sone” Prednisone
activity intervention for bell’s palsy?
Facial exercise
Bell’s palsy eyes are dry. What should be given?
Lubricating eye drops
Bell’s palsy patient should chew on the ______.
Unaffected side
↑ intracranial bulk → ↑ pressure in cranial vault → cerebral hypoxia
INCREASED INTRACRANIAL PRESSURE
pressure to maintain blood flow to brain
Cerebral Perfusion Pressure (CPP)
Normal ICP:
5-15mmHg
Normal MAP:
70-100mmHg
Normal CPP:
60-100mmHg
↑ Brain Volume (80%)
Cerebral tumor, abscess, edema → infection or trauma
↑ Brain Volume (10%)
Cerebral hemorrhage, thrombosis, embolism, aneurysm, A-V
malformation
↑ CSF (10%)
Obstruction of CSF outflow → brain tumor, hydrocephalus; Overproduction
of CSF → choroid plexus tumor
__________ doctrine → “if one vol. ↑, the other two vol. compensates by ↓”
Monroe doctrine
EMERGENCY → _______ → ____ minutes → irreversible ____________
EMERGENCY → hypoxia → 4-6 minutes → irreversible brain damage
EMERGENCY → _______ → ____ minutes → irreversible ____________
EMERGENCY → hypoxia → 4-6 minutes → irreversible brain damage
What are the early sign of ICP on Adult and Pedia?
- Adults: altered LOC
- Pedia: high pitched cry
Clinical manifestations of ICP in the eyes?
Pallidema - optic nerve swelling
A clinical manifestation on ICP where head movement → eyes remain midline or move in same direction.
(-) Doll eye sign
A clinical manifestation on ICP where there is flexion of UE, extension of LE.
Decortication
A clinical manifestation on ICP where there is extension UE, extension of LE.
Decerebration
Patient with ICP what type of vomiting they are in?
Projectile vomiting
Respiratory depression is a clinical manifestation in ICP. It also called _____.
Cheyne stokes
Vital signs changes in ICP: Cushing triad’s
Hypertension
Bradycardia
Bradypnea
Pulse pressure: widened
Fatal clinical manifestation in ICP?
Herniation
Maximum score in GCS?
15
Minimum score in GCS?
3
Intubation score in GCS?
≤ 8
How will you elicit pain in central while assessing GCS?
sternal rub, supraorbital, trapezius pinch
How will you elicit pain in peripheral while assessing GCS?
Nail beds
GCS scoring in eyes
4 - spontaenous
3 - speech
2 - pain
1 - no response
GCS scoring in verbal
5 - oriented
4 - confused
3 - inappropriate sounds
2 - incompressible sounds
1 - no response
GCS scoring in motor
6 - obeys command
5 - localize (toward)
4 - withdraws (away)
3 - decortication
2 - decerebrate
1 - no response