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Neurology
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89
Other
Not Applicable
08/17/2011

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Cards

Term
Are Schwann cells produced in the PNS or the CNS?
Definition
Schwann cells are myelin producing cells in the PNS
Term
What nervous system controls skeletal muscle?
Definition
Somatic nervous system
Term
What numerous glial cells of the CNS contribute to the blood brain barrier?
Definition
Astrocytes
Term

T or F?

The arachnoid membrane is avascular

Definition
True
Term
What returns CSF back to the blood via the internal jugular veins of the neck?
Definition
Cranial sinuses
Term
Where does CSF build up in hydrocephalis?
Definition
Builds up in ventricles
Term
What disease is the most common cause for myelin breakdown?
Definition
Multiple sclerosis
Term
What tissue in the brain do neurons comprise? (functional cells)
Definition
Parenchymal cells
Term
What type of cells are constantly being replaced?
Definition
Labile cells
Term

T or F?

Nociceptors are slowly adapting receptors (refers to stimulus)

Definition
True
Term
Name the area in the periphery over which a receptor can receive input
Definition
receptive field
Term

T or F?

Ruffini corpuscles are found in hairy skin

Definition
True (non-glaborous skin)
Term
Free (naked) nerve endings are what type of terminal branches of the neuron?
Definition
Unmyelinated branches of the neuron
Term
T or F?
Muscle spindles and golgi tendon organs are proprioceptors
Definition
True
Term

T or F?

C-fibre stimulation results in immobilization

Definition
True
Term
A-delta fibres nociceptors carry what type of pain?
Definition
Fast and first pain
Term
T or F?
Spinal nerves are mixed nerves
Definition
True
Term

T or F?

All unipolar neurons are attached to sensory receptors

Definition
True
Term
What attaches to 1B fibres?
Definition
GTO
Term
What do you call a bundle of nerve fibres (axons)?
Definition
fascicle
Term
The spinal cord in an adult extends from the foramen magnum to...
Definition
L2
Term

T or F?

The meninges from brain are continuous to cover the spinal cord

Definition
True
Term
What suspends the spinal cord within the dura mater and stabilize against motion?
Definition
Denticulate ligaments
Term
What do you call a bundle of axons in the PNS?
Definition
nerve
Term
Does the dorsal root carry afferent or efferent information?
Definition
afferent
Term
What is the area from which a pair of dorsal and ventral roots arise (in the spinal cord)?
Definition
segment
Term
How many pairs of spinal nerves, cervical nerves, thoracic nerves, lumbar nerves, sacral nerves, and coccygeal nerves does the spinal cord contain?
Definition

31 pairs of nerves total

Cervical: 8

Thoracic: 12

Lumbar: 5

Sacral: 5
Coccygeal: 1

Term

Do the first cervical nerves leave the vertebral canal above or below the corresponding vertebrae?

 

Definition
above
Term
What partially divides the spinal cord into right and left sides?
Definition

Anterior median fissure

Posterior median sulcus

Term

T or F?

The cervical enlargement of the spinal cord corresponds roughly to nerves innervating the lower limb

Definition
False (upper limb)
Term
T or F?
White matter contains many tracts
Definition
True
Term

T or F?

The names of motor tracts end in "spinal"

Definition
True
Term
Which horn is the location of cell bodies of motor neurons?
Definition
anterior horn
Term
Each cerebral hemisphere has 4 lobes. Name them
Definition

Frontal

Parietal

Temporal

Occipital

Term
The motor cortex of the frontal lobe lies immediately anterior to the...
Definition
central sulcus
Term
Broca's aphasia is associated with which lobe?
Definition
frontal lobe
Term
Stereognosis (ability to recognize objects by touch) is an important function of which lobe?
Definition
parietal lobe
Term
Which lobe interprets auditory and olfactory stimuli? 
Definition
Temporal
Term
The temporal may be associated with what type of aphasia?
Definition
Wernicke's aphasia
Term
What does the occipital lobe interprete?
Definition
Visual stimuli
Term
What is sometimes severed in patients with severe/disabling seizures?
Definition
Corpus callosum
Term
What type of fibres connect and transmit impulses between gyri in the same hemisphere?
Definition
Association fibres
Term
The motor cortex, cerebellum and basal ganglia are the 3 key higher centres of the brain that regulate...
Definition
movement
Term
What is responsible for background positioning?
Definition
Basal ganglia
Term
What is the first point of sensory awareness?
Definition
Thalamus
Term

T or F?

The hypothalamus is above the hypophysis (pituitary)

Definition
True
Term
Which gland does the epithalamus contain which secretes melatonin?
Definition
Pineal gland
Term
What part of the brainstem helps to maintain consciousness?
Definition
reticular formation
Term
What regulates heart rate, respiratory rate, vasoconstriction, swallowing, coughing and CV control?
Definition
medulla oblongata
Term
What part of the brain is made up of cerebellum, pons, medulla oblongata?
Definition
hindbrain
Term
Intention tremors are due to damage of the...
Definition
cerebellum
Term

T or F?

The tentorium cerebelli is a strong horizontal fold of dura mater that is attached along the midline to the falx cerebri

Definition
True
Term
T or F?
Cranial nerves are upper motor neurons
Definition

False

Cranial nerves are LMN

Term
Which cranial nerve detects pheromones?
Definition
CN1 - olfactory
Term
What cranial nerve innervates the superior oblique muscle?
Definition
CN4 - trochlear
Term
AP are interpreted as visual images by which lobe with which associating cranial nerve?
Definition

Occipital lobe

CN2 - optic

Term
Which cranial nerve opens the eyes? Which cranial nerve closes the eyes?
Definition

Open the eye = CN3 - oculomotor (motor)

Close the eye = CN7 - facial (motor)

Term
Which cranial nerves are associated with the pupillary reflex?
Definition

CN2- Optic

CN6 - Abducens

Term
What is the most frequently occuring of all nerve pain disorders?
Definition
trigeminal neuroglia (tic douloureux)
Term
Perception is a combination of transmission and...
Definition
modulation
Term
What components may alter one's perception?
Definition

perception = combination of transmission and modulation

*can be altered by emotions eg: fear, rage, depression*

Term
What kind of pathway is the the dorsal column (medial lemniscal tract)?
Definition
Dorsal column aka medial lemniscal tract is a TOUCH pathway
Term
Pain pathways are carried from which tract?
Definition
Anterolateral spinothalamic tract is a pain pathway
Term
What is another name for the brainstem?
Definition
Neuraxis
Term
Where does the 2nd order neuron of DC tract terminate?
Definition
thalamus
Term

T or F?

The Dorsal Column is associated with fine touch

Definition
True
Term
Where does the 1st order neuron of the pain pathway (neospinalthalamic tract) terminate?
Definition
dorsal horn
Term
What type of pain is carried by the paleospinothalamic tract?
Definition
slow
Term
Which system is the major centre for processing emotional response and for learning and memory?
Definition
limbic system
Term
Which cranial nerve is associated with you smiling?
Definition
CN7 - facial (motor component)
Term
Which cranial nerve is associated with you chewing?
Definition
CN5 - Trigeminal (motor component)
Term
You lick a paper and feel the paper on your tongue. Which CN is the contributor?
Definition
CN5 - trigeminal (sensory component)
Term
Your balance and equilibrium has to do with which cranial nerve?
Definition

CN8 - vestibulocochlear/acoustic/auditory

*this is the vestibular division*

Term
Your hearing has to do with which CN?
Definition

CN8 - vestibulocochlear

*hearing is the cochlear division*

Term
Which CN controls trapezius and SCM?
Definition
CN11 - spinal/accessory
Term
You lick a piece of paper.  The reason you are able to control your tongue is thanks to which CN?
Definition
CN12 - hypoglossal (motor component of tongue)
Term
You taste a piece of gum. What CN is contributing?
Definition
CN7 - facial (sensory component)
Term
Which CN controls your pharynx (motor)?
Definition
CN9 - glossopharyngeal controls the pharynx (motor component)
Term
Your pupils constrict.  Which CN contributes?
Definition
CN3 - Oculomotor (motor)
Term
You look side to side.  Which CN is contributing?
Definition
CN6 - Abducens (motor) for eye movement/lateral deviation
Term
You move your eyes in and down.  Which CN is a contributor?
Definition
CN4 - Trochlear (motor)
Term
All cranial nerves originate in the brainstem except for which?
Definition
CN1 and CN2
Term
What do you define someone with no sense of smell?
Definition
anosmia
Term
What term defines firing?
Definition
Depolarize
Term
Another word for convert is...
Definition
Transduce
Term
Another term for propagate is...
Definition
travels
Term
What term is used to define your blind spot?
Definition
Scotoma
Term
Which muscle is supplied by CN3 (oculomotor)?
Definition
Levator palpebrae superioris
Term
The inability to coordinate both eyes in horizontal movement is due to damage from which cranial nerve? What do you call that disorder?
Definition

CN3 (occulomotor) & CN6 (abducens)

Internuclear ophthalmoplegia

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