Anatomy

Question 1

Primitive Portions Of CNS?

Answer 1

Rhombencephalon (Myelencephalon/metencephalon)
Mesencephalon
Prosencephalon (Diencephalon/Telencephalon)

Question 2

of Spinal nerves?

Answer 2

31 total
8C
12T
5L
5S
1C

Question 3

NT for Sympathetic nervous system?

Parasympathetic?

Answer 3

S: E+NE
P: Acetylcholine

Question 4

Function of the Limbic system?

Answer 4

Control and expression of Mood+emotion.
Memory
Appetite

Question 5

How Are Both Hemispheres joined and what is its purpose?

Answer 5

Corpus Callosum

To relay info b/w both hemispheres

Question 6

What do These sulci Separate?

Central:
Calcarine:

Answer 6

Frontal/parietal lobes

Sup/Inf Occipital lobes.

Question 7

Which side of brain is more creative?

Answer 7

R

Question 8

General Fx of Frontal?
Parietal?
Temporal?
Occipital?

Answer 8

F: Motor function, Brocas Area, personality
P:Sensory Fx, provide meaning
T: Hearing, Wernikes, Memory
O: Seeing.

Question 9

What is Hippocampus Responsible For?

Answer 9

Forming ,storing, and retrieving memory.

Question 10

Basal ganglia consist of

Answer 10

Caudate
Putamen
Globus Pallidus
Sustantia Nigra
Subtalamic nuclei

Question 11

Responsibility of Basal Ganglia?

Answer 11

Regulation of muscle contraction
Input from cortex
Posture,tone
Regulating autonomic movement

Question 12

Dysfunction of basal ganglia includes:

Answer 12

Parkinsons
Huntingtons
Tourettes
ADD
OCD

Question 13

Main Fx of Amygdala?

Answer 13

Emotional and Social processing.

Fear/pleasure/emotional memory.

Question 14

Pacinian Corpuscles Respond to:

Answer 14

Vibration

Proprioception

Question 15

Meissner corpuscle respond to:

Answer 15

Touch and Vibration

Question 16

Ruffini endings respond to:

Answer 16

Pressure/ skin stretch

Question 17

Merkel Receptors respond to:

Answer 17

Touch

Pressure

Question 18

Free nerve endings respond to:

Answer 18

Pain/temp/itch

Question 19

What does the thalamus do?

Answer 19

• Coordinates sensory perception+mvmt.

- receives info from cerebellum ,Basal ganglia and sensory tracts relaying it to Cortex

Question 20

Spontaneous pain to contralateral side of body to thalamic lesion?

Answer 20

Thalamic pain syndrome.

Question 21

Purpose of hypothalamus?

Answer 21

Survival instincts/regulate info from ANS:
Regulate body temp
Control hunger/thirst/sleep

Question 22

Purpose of Subthalamus?

Answer 22

Regulating muscular movement.

Associated with Basal ganglia

Question 23

Parts of epithalamus and Fx?

Answer 23

Pineal Gland: Produce Melatonin (sleep) and hormone regulation
Habenular nuclei: Circadian rhythm,regulate movement and social fx./emotions (limbic)

Question 24

What is the tectum?

Tegmentum?

Answer 24

Inf/sup colliculi (orient vision and sound)

Pain inhibition/sensory

Question 25

Purpose of Cerebellum?

Answer 25

Posture/balance/tone

Question 26

Cerebellar lesions produce:

Answer 26

Ispilateral impairment to body Ataxia,nystagmus,tremor,balance issues

Question 27

Purpose of pons?

Answer 27

Regulation of RR | Head orientation: CN 5-7

Question 28

Medulla Fx?

Answer 28

ANS regulation swallow | Reflex for vomit, cough, sneeze.

Question 29

Brainstem Fx?

Answer 29

Channel for Tracts Contain CN ANS fx.

Question 30

Brudzinskis sign?

Answer 30

Flexion of head produces flexion of hips and knees. Meningitis (stiff neck,nausea,vomit)

Question 31

Kernigs sign?

Answer 31

Pain wiht hip flexion and knee ext?

Question 32

What space contains CSF and Circulatory system of Cerebral Cortex?

Answer 32

Subarachnoid mater

Question 33

Dorsal Column Tract?

Answer 33

Cuneatus: UE Proprioception, vibration Gracilis: LE

Question 34

Spinothalamic tract?

Answer 34

Nociception, Thermal, Anterior has properties for light touch/pressure

Question 35

What tracts join Spinothalamic?

Answer 35

Spinoreticular: Pain awareness/consciousness Spinomesenphalic: Turn head to pain / reflex of pain(spinotectal) Spinolimbic: emotion to pain

Question 36

Dorsal spinocerebellar tract:

Answer 36

Ipsilateral subconscious proprioception Joint sense Posture LE.

Question 37

Ventral Spinocerebellar:

Answer 37

Same as dorsal but some fibers cross then recross Proprioception Posture Tension

Question 38

Corticospinal tract

Answer 38

Voluntary skilled mvt. Lateral is for fine movement. Most of fibers from here. Damage= (+) Babinksi.

Question 39

Reticulospinal Tract:

Answer 39

Pain suppression Regulate reflexes Stimulate protective ext

Question 40

Rubrospinal tract:

Answer 40

Assists w/ movement control Postural tone Facilitate flexors inhibit extensors

Question 41

Tectospinal:

Answer 41

Contralateral postural tone toward auditory/visual stimuli

Question 42

Vestibulospinal:

Answer 42

Ipsilateral postural adjustments. Hand-eye coordination Facilitate ext. inhibit flexors.

Question 43

What happens with damage to Vestibulospinal?

Answer 43

Paralysis Hypertonic Extreme DTR