Neuro Quiz - Miscellaneous Questions

Question 1

What is the most energy demanding tissue in the body?

Answer 1

Central Nervous System

Question 2

The **cerebral aterial circle **is also known as:

Answer 2

Circle of Willis

Question 3

In which species do we find Rete Mirabile, a modification of the internal carotid arteries?

Answer 3

Feline, ruminant, porcine

Question 4

What are the 3 main arteries that supply the brain?

Answer 4

2 internal carotid arteries and 1 basilar artery

Question 5

The _________ artery is the result of the union of bilateral **vertebral arteries **after they pass into the braincase

Answer 5

basilar artery

Question 6

What is the name for the space created by dural reflections of the meninges?

Answer 6

dural sinuses

Question 7

What is the primary blood supply to the spinal cord?

Answer 7

ventral spinal artery

Question 8

What is the secondary blood supply to the spinal cord?

Answer 8

dorsal spinal arteries

Question 9

What is the venous system within the epidural space?

Answer 9

Internal verterbral venous plexus

Question 10

What is the deepest layer of the meninges?

Answer 10

Pia mater

Question 11

What is the middle layer of the meninges?

Answer 11

arachnoid layer (mater)

Question 12

___________ is between the arachnoid layer and pia mater; contains CSF

Answer 12

subarachnoid space

Question 13

The ____________ is located in the pia mater of the spinal cord and connects the pia mater to the arachnoid and dura mater

Answer 13

denticulate ligament(s)

Question 14

What are the two layers of the dura mater of the cranial meninges?

Answer 14

periosteal & meningeal

These two layers separate to create the dural sinuses

Question 15

Is production of CSF an active or passive process?

Answer 15

ACTIVE.

Question 16

What is hydrocephalus?

Answer 16

When excessive accumulation of CSF results in an abnormal widening of the ventricles

Question 17

Lesions associated with the visual cortex of the occipital lobe may produce __________

Answer 17

cortical blindness

Question 18

Which lobe is responsible for perception and innervation of visual information?

Answer 18

occipital lobe

Question 19

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?

Answer 19

parietal lobe

Question 20

Unilateral lesions of the parietal globe produce:

Answer 20

hemineglect

Question 21

Which lobe contains sensory and motor cortices with regions that plan and initiate movement?

Answer 21

frontal lobe

Question 22

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

Answer 22

piriform lobe

Question 23

Lesions of which lobe result may result in loss of smell?

Answer 23

piriform lobe

Question 24

Which lobe is responsible for perception and interpretation of auditory information?

Answer 24

temporal lobe

Question 25

True or false: Destruction of the left auditory cortex will result in deafness in the right ear.

Answer 25

**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

Question 26

Which portion of the **limbic system** is responsible for homeostasis and circadian rythym?

Answer 26

**hypothalamus**

Question 27

Which portion of the **limbic system** is responsible for emotional memory (ex: signs of fear even if auditory cortex is damaged)

Answer 27

**amygdala**

Question 28

Which portion of the **limbic system** is responsible for converting short term memory to long term memory?

Answer 28

**hippocampus**

Question 29

Which portion of the **limbic system** is responsible for emotional behavior and conscious proprioception?

Answer 29

**thalamus**

Question 30

Functions to arouse the cortex; controls consciousness and requires a functional cortex:

Answer 30

**ARAS** Ascending Reticular Activating System

Question 31

Cerebral disorder resulting in an episodic and sudden onset of REM sleep:

Answer 31

narcolepsy

Question 32

A cortical event characterized by abnormal neuronal discharge which is both excessive and hypersynchronized:

Answer 32

seizure

Question 33

What is the most common type of seizure in veterinary medicine?

Answer 33

**generalized seizures**

Question 34

Which type of seizure is common in **cats** and causes facial twitching without loss of consciousness?

Answer 34

**Simple Partial Seizure**

Question 35

Which spinal cord segment supplies the brachial plexus?

Answer 35

**cervicothoracic** (C6-T2)

Question 36

Which spinal cord segment provides SNS innervation to the eye?

Answer 36

**cervicothoracic** (C6-T2)

Question 37

Which spinal cord segment supplies the pelvic plexus?

Answer 37

**lumbosacral** (L4-S2)

Question 38

Where can you collect CSF from?

Answer 38

subarachnoid space and cisterna magna

Question 39

Which lobe relates to planning and initiation of movement?

Answer 39

frontal

Question 40

Which portion of the limbic system has to do with emotional behavior?

Answer 40

**thalamus**

Question 41

If you have damage to the C6-T2 spinal region, which region of the body would you most likely see signs in?

Answer 41

thoracic limb

Question 42

Where is the lumbar intumescence located?

Answer 42

L4-S2

Question 43

If you have a lesion in the Dorsal Funiculus (in the white matter), what would be affected?

Answer 43

**conscious proprioception**

Question 44

The very caudal end of the spinal cord (where it ends) is called the:

Answer 44

**conus medularis**

Question 45

Which lobe of the brain is also known as the "sensorymotor cortex"?

Answer 45

frontal lobe

Question 46

Damage to the pyriform lobe may result in:

Answer 46

anosmia (loss of smell)

Question 47

Which component of the limbic system has a "ram's horn" shape to it?

Answer 47

**hippocampus**

Question 48

loss of function to the iris sphincter muscles, therefore dilation of the pupil, is known as:

Answer 48

**mydriasis**

Question 49

What does the acronym **ARAS** stand for and what is its function?

Answer 49

ARAS stands for ****_A_**scending **_R_**eticular **_A_**ctivating **_S_**ystem.** It is part of the brainstem reticular formation and is necessary for normal consciousness (along with a functional cerebral cortex)

Question 50

Is the femoral nerve considered UMN or LMN?

Answer 50

**lower motor neuron (LMN)**

Question 51

Neurons originating in the brainstem or spinal cord that synapse onto skeletal muscle fibers

Answer 51

**lower motor neurons (LMN)**

Question 52

Descending neurons originating from the cerebral motor cortex or various nuclei of the brainstem

Answer 52

**upper motor neurons (UMN)**

Question 53

C1 exits the vertebral canal via the:

Answer 53

**lateral vertebral foramen of atlas**

Question 54

C2-C7 exit vertebral canal via the:

Answer 54

**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

Question 55

Which spinal cord region is C1-C5?

Answer 55

cranial cervical region

Question 56

Which spinal cord region is T3-L3?

Answer 56

Thoracolumbar region

Question 57

Which spinal cord region is C6-T2?

Answer 57

Cervicothoracic region

Question 58

Which spinal cord region is S1-S3?

Answer 58

Sacral region

Question 59

Which spinal cord region is Cd1-5?

Answer 59

caudal region

Question 60

Which spinal cord region supplies sensory and motor innervation to the **pelvic limb**?

Answer 60

Lumbosacral region (L4-S2)

Question 61

About where does the cauda equina begin in the dog?

Answer 61

L4

Question 62

What word would you use to describe the mental status of an animal that is responsive to stimuli, but responses are abnormal?

Answer 62

demented/delirious/disoriented