Ch 13.1

Question 1

What are the Special parts/group/Nuclei of the Midbrain?

Answer 1

• Cerebral peduncles
• Substanicia nigra
• Red nuclei
• Superior colliculi
• Interior colliculi

Question 2

What are the Special parts/group/Nuclei of the Limbic system?

Answer 2

• Cingulate Gyrus
• Hippocampus
• Amygdala

Question 3

What are the parts of the Diencephalon?

Answer 3

Thalamus
Subthalamus
Epithalamus
Subthalamus

Question 4

What are the Special parts/group/Nuclei of the Medulla oblongata?

Answer 4

• Dorsal respiratory group
• Ventral respiratory group
• Gustatory nucleus
• Cochlear nucleus
• Vestibular nuclei
• Pyramids
• Olives

Question 5

What are the Special parts/group/Nuclei of the Pons?

Answer 5

Pontine
Pontine nuclei
Pontine respiratory group

Question 6

The Brainstem consists of

Answer 6

Midbrain
Pons
Medulla oblongata

Question 7

What are the Special parts/group/Nuclei of the Hypothalamus?

Answer 7

• Infundibulum

- Mammillary body

Question 8

What are the Special parts/group/Nuclei of the Thalamus?

Answer 8

• Medial geniculate nucleus
• Lateral geniculate nucleus
• Ventral geniculate nucleus

Question 9

What are the Special parts/group/Nuclei of the Cerebellum?

Answer 9

• Cerebellar peduncles
• Flocculonodular lobes
• Cerebellar nuclei
• Superior colliculi
• Folia
• Arbor vitae

Question 10

What are the Special parts/group/Nuclei of the Cerebrum?

Answer 10

• Corpus callosum
• Gryi
• Sulci
• Longitudinal fissure
• Lateral fissure
• Central sulcus
• Medulla

Question 10

What are the Special parts/group/Nuclei of the Cerebrum?

Answer 10

• Corpus callosum
• Gryi
• Sulci
• Longitudinal fissure
• Lateral fissure
• Central sulcus
• Medulla

Question 11

What are the Special parts/group/Nuclei of the Subthalamus?

Answer 11

-Subthalamic nuclei

Question 12

What are the Special parts/group/Nuclei of the Epithalamus?

Answer 12

• Pineal gland

- Habenula

Question 13

What are the cranial nerves by number and sensory or motor?

Answer 13

I - Olfactory - Sensory
II- Optic - Sensory
III- Oculomotor - Motor
IV - Trochlear - Motor
V - Trigeminal - Sensory & Motor
VI - Abducens - Motor
VII - Facial  - Sensory & Motor
VIII - Vesibulochlear - Sensory
IX - Glossopharyngeal - Sensory & Motor
X - Vagus - Sensory & Motor
XI - Accessory - Motor
XII - Hypoglossal - Motor

Question 14

What are the meninges of the spinal cord? Superficial to deep

Answer 14

Bone
Epidural space
Dura mater
Subdural Space
Arachnoid space
Subarachnoid space
Pia Mater

Question 15

The cervical plexus is what vertebrae and serves what body part?

Answer 15

C1-C5

Neck and phrenic nerve of diaphram

Question 16

The Brachial plexus is what vertebrae and serves what body part?

Answer 16

C5-T1
Lower limb, some shoulder, neck.
*Carpal tunnel syndrome

Question 17

The Lumbar plexus is what vertebrae and serves what body part?

Answer 17

L1-L4

Ab, interior thigh, genitalia

Question 18

The Sacral plexus is what vertebrae and serves what body part?

Answer 18

L4, L5, S1-S4

Lower trunk and limbs

Question 19

The Coccygeal plexus is what vertebrae?

Answer 19

S4, S5, C0

Question 20

Name the sections of the spinal cord?

Answer 20

Cervical
Thoracic
Lumbar
Sacral
Coccygeal

Question 21

Name the areas indicated by the arrows

Answer 21

Cervical enlargement

Lumbosacral enlargement

Question 22

Name the areas indicated by arrows

Answer 22

Conus Medullaris
Cauda equina
Filum terminale

Question 23

What is the Cauda equina made of?

Answer 23

Bundle of spinal nerves

Question 24

What is the filum terminale?

Answer 24

Provides longitudinal support to spinal cord

Question 25

What protects the spinal cord?

Answer 25

Bone, Meninge and CSF

Question 26

Where does the spinal cord exit and extend to?

Answer 26

Exits foremen magnum and extends to 2nd lumbar vertebrae

Question 27

How many spinal nerves exit each region?

Answer 27

``` 8 - Cervical 12 - Thoracic 5 - Lumbar 5 - Sacral 1 - Coccygeal ```

Question 28

Name the parts of the spinal cord cross section?

Answer 28

1. Lateral horn 2. Rootlets 3. Central canal 4. Anterior median fissure 5. Anterior horn 6. Ventral root 7. Dorsal root ganglion 8. Posterior horn 9. Posterior median sulcus .

Question 29

How is white matter organized?

Answer 29

Into columns (Ascending and descending info)

Question 30

What do gray and white commissures contain?

Answer 30

Contain axons that cross to the other side of the cord

Question 31

What does white matter contain?

Answer 31

Myelinated axons

Question 32

What does gray matter contain?

Answer 32

Cell bodies, interneurons, dendrites, axons *Site of integration

Question 33

What nuclei does the lateral horn have?

Answer 33

Sympathetic motor nuclei

Question 34

What nuclei does the anterior horn have?

Answer 34

Somatic motor nuclei

Question 35

What nuclei does the posterior horn have?

Answer 35

Incoming sensory neurons and interneurons

Question 36

The dorsal root ganglion houses what

Answer 36

Cell bodies of sensory neurons - incoming sensory

Question 37

The ventral root has

Answer 37

Exiting somatic motor signals

Question 38

The central canal contains

Answer 38

CSF, lined with ependymal cells

Question 39

Name the structures indicated by the arrows

Answer 39

Dorsal root ganglion Dorsal ramus Ventral ramus Communication rami

Question 40

What does the dorsal ramus do?

Answer 40

Innervates skin and deep muscles of back

Question 41

What does the communication rami do?

Answer 41

Communicates with sympathetic chain ganglia

Question 42

Name the inward extensions of the dura

Answer 42

Falx Cerebri - separates R&L halves of cerebrum Tentorium cerebelli - Separates cerebrum from cerebellum Falx cerebelli - Separates R&L halves of cerebellum

Question 43

Name the parts of the Spinal cord cell

Answer 43

1. Neurilemma 2. Epineurium 3. Perineurium 4. Fascicle 5. Endoneurium 6. Axon

Question 44

What does the reticular formation do?

Answer 44

A set of interconnected nuclei that are located through out the brainstem

Question 45

What do the descending tracts of reticular formation do?

Answer 45

Control somatic motor - Muscle tone to maintain balance and posture *Cardio and vasomotor centers of medulla

Question 46

What do the Ascending tracts of reticular formation do?

Answer 46

Projections into the thalamus& cerebral cortex * Auditory, pain, touch, pressure and other mental activities except during sleep

Question 47

What does decreased activation in reticular formation mean? What about damaged to reticular formation?

Answer 47

Sleep Possible coma

Question 48

What is habituation?

Answer 48

Prevents sensory overload

Question 49

Reticular formation in pons contains?

Answer 49

Additional nuclei concerned with sleep, respiration and posture