Neuro Quiz - Miscellaneous Questions Flashcards
What is the most energy demanding tissue in the body?
Central Nervous System
The **cerebral aterial circle **is also known as:
Circle of Willis
In which species do we find Rete Mirabile, a modification of the internal carotid arteries?
Feline, ruminant, porcine
What are the 3 main arteries that supply the brain?
2 internal carotid arteries and 1 basilar artery
The _________ artery is the result of the union of bilateral **vertebral arteries **after they pass into the braincase
basilar artery
What is the name for the space created by dural reflections of the meninges?
dural sinuses
What is the primary blood supply to the spinal cord?
ventral spinal artery
What is the secondary blood supply to the spinal cord?
dorsal spinal arteries
What is the venous system within the epidural space?
Internal verterbral venous plexus
What is the deepest layer of the meninges?
Pia mater
What is the middle layer of the meninges?
arachnoid layer (mater)
___________ is between the arachnoid layer and pia mater; contains CSF
subarachnoid space
The ____________ is located in the pia mater of the spinal cord and connects the pia mater to the arachnoid and dura mater
denticulate ligament(s)
What are the two layers of the dura mater of the cranial meninges?
periosteal & meningeal
These two layers separate to create the dural sinuses
Is production of CSF an active or passive process?
ACTIVE.
What is hydrocephalus?
When excessive accumulation of CSF results in an abnormal widening of the ventricles

Lesions associated with the visual cortex of the occipital lobe may produce __________
cortical blindness
Which lobe is responsible for perception and innervation of visual information?
occipital lobe

Which lobe integrates sensory information to produce a 3D “map” of the body’s location in space and its relation to objects in that space?
parietal lobe
Unilateral lesions of the parietal globe produce:
hemineglect
Which lobe contains sensory and motor cortices with regions that plan and initiate movement?
frontal lobe

Which lobe is responsible for perception and interpretation of olfactory information?
piriform lobe

Lesions of which lobe result may result in loss of smell?
piriform lobe
Which lobe is responsible for perception and interpretation of auditory information?
temporal lobe

True or false: Destruction of the left auditory cortex will result in deafness in the right ear.
False.
It won’t result in deafness in either ear. Multiple decussations allow info from both cochlea to reach both auditory cortices.
SO, both auditory cortices must be destroyed for deafness to occur
Which portion of the limbic system is responsible for homeostasis and circadian rythym?
hypothalamus
Which portion of the limbic system is responsible for emotional memory (ex: signs of fear even if auditory cortex is damaged)
amygdala
Which portion of the limbic system is responsible for converting short term memory to long term memory?
hippocampus
Which portion of the limbic system is responsible for emotional behavior and conscious proprioception?
thalamus
Functions to arouse the cortex; controls consciousness and requires a functional cortex:
ARAS
Ascending Reticular Activating System
Cerebral disorder resulting in an episodic and sudden onset of REM sleep:
narcolepsy
A cortical event characterized by abnormal neuronal discharge which is both excessive and hypersynchronized:
seizure

What is the most common type of seizure in veterinary medicine?
generalized seizures
Which type of seizure is common in cats and causes facial twitching without loss of consciousness?
Simple Partial Seizure
Which spinal cord segment supplies the brachial plexus?
cervicothoracic (C6-T2)
Which spinal cord segment provides SNS innervation to the eye?
cervicothoracic (C6-T2)
Which spinal cord segment supplies the pelvic plexus?
lumbosacral (L4-S2)
Where can you collect CSF from?
subarachnoid space and cisterna magna
Which lobe relates to planning and initiation of movement?
frontal
Which portion of the limbic system has to do with emotional behavior?
thalamus
If you have damage to the C6-T2 spinal region, which region of the body would you most likely see signs in?
thoracic limb
Where is the lumbar intumescence located?
L4-S2
If you have a lesion in the Dorsal Funiculus (in the white matter), what would be affected?
conscious proprioception
The very caudal end of the spinal cord (where it ends) is called the:
conus medularis
Which lobe of the brain is also known as the “sensorymotor cortex”?
frontal lobe
Damage to the pyriform lobe may result in:
anosmia (loss of smell)
Which component of the limbic system has a “ram’s horn” shape to it?
hippocampus

loss of function to the iris sphincter muscles, therefore dilation of the pupil, is known as:
mydriasis
What does the acronym ARAS stand for and what is its function?
ARAS stands for Ascending Reticular Activating System.
It is part of the brainstem reticular formation and is necessary for normal consciousness (along with a functional cerebral cortex)
Is the femoral nerve considered UMN or LMN?
lower motor neuron (LMN)
Neurons originating in the brainstem or spinal cord that synapse onto skeletal muscle fibers
lower motor neurons (LMN)
Descending neurons originating from the cerebral motor cortex or various nuclei of the brainstem
upper motor neurons (UMN)
C1 exits the vertebral canal via the:
lateral vertebral foramen of atlas

C2-C7 exit vertebral canal via the:
interbertebral foramen named for the vertebral body that forms near the caudal border
Ex: C4 spinal nerve exits the intervertebral foramen between C3 and C4
Which spinal cord region is C1-C5?
cranial cervical region
Which spinal cord region is T3-L3?
Thoracolumbar region
Which spinal cord region is C6-T2?
Cervicothoracic region
Which spinal cord region is S1-S3?
Sacral region
Which spinal cord region is Cd1-5?
caudal region
Which spinal cord region supplies sensory and motor innervation to the pelvic limb?
Lumbosacral region (L4-S2)
About where does the cauda equina begin in the dog?
L4
What word would you use to describe the mental status of an animal that is responsive to stimuli, but responses are abnormal?
demented/delirious/disoriented