Wk 1 BB

Question 1

Directions in the Nervous

Anterior/Rostral –

Answer 1

Front, towards face

Question 2

which directions of the nervous system are opposites

Answer 2

Rosttral - Caudal

Ventral - Dorsal

Anterior posterior

Question 3

Directions in the Nervous system

Posterior/Caudal

Answer 3

behind, towards Back

Question 4

Directions in the Nervous System

Dorsal

Answer 4

Dorsal: Toward the top of the brain or the back of the spinal cord.

Question 5

Directions in the Nervous

Ventral

Answer 5

Ventral: Toward the bottom of the brain or the front of the spinal cord

Question 6

Directions in the Nervous

Lateral

Answer 6

Towards side / edge

Question 7

Directions in the Nervous

Medial

Answer 7

Toward middle

Question 8

Directions in the Nervous

ipsilateral

Answer 8

same side

Question 9

Contralateral

Answer 9

opposite side

Question 10

Transverse section -

of brain

Answer 10

right angle to neuraxis

(separate top and bottom)

Question 11

Saggital section of brain

Answer 11

parallel to neuraxis, perpendicular to ground (side to side)

Question 12

Frontal/Coronal plane

of brain

Answer 12

separates front and back

Question 13

Although the brain comprises only
about __% of the body weight it
Uses about ___% of the body’s
blood supply and consumes __-
20% of the oxygen
The human brain contains around
___ miles of blood vessels.

Answer 13

2

20

15

400

Question 14

Large hole in skull is called

allows passage of

Answer 14

Foramen Magnum

spinal cord

Question 15

Meninges

Dura Mater

Answer 15

tough, flexible outermost meninx

skin of brain

Question 16

Arachnoid (mater)

Answer 16

middle layer of the meninges

like a sheet of cling film draped over the brain.

doesn’t dip into valleys of brain contour

Question 17

Pia mater

Answer 17

last layer of meninges which adheres to the surface of the brain

Question 18

subarachnoid space

filledwith what

Answer 18

space between the arachnoid membrane and pia mater filled with CSF (cerebrospinal fluid)

Question 19

Ventricles (in brain)

Answer 19

set of hollow chambers within the brain filled with CSF

Question 20

4 ventricles of the brain

Flow of CSF

Answer 20

1.created in Lateral ventricles by choroid plexus
2. Third ventricle (central point)
3. Cerebral Aqueduct
4. Fourth Ventricle (then to spine + brain in subarachnoid space)
5)then sinuses
6)then jugular vein
7)then to heart

Question 21

The forebrain

Contains these 2 areas:

Answer 21

contains Telencephalon and Diencephalon

Question 22

Telencephalon

Answer 22

cerebral cortex, basal ganglia, limbic system

Question 23

Grey matter is composed of

Answer 23

Cell bodies of the neurons

Question 24

White mattter is composed of

Answer 24

axons and dendrites

Question 25

# Telencephalon The limbic system

Answer 25

set of structures involved in Learning, emotion and Memory include: -Limbic Cortex -Hippocampus -Amygdala -Fornix -mammillary bodies (part of hypothalamus)

Question 26

# Telencephalon basal ganglia

Answer 26

Set of structues involved in processing information for motor movement. (and reward) Major structures include: -Caudate nucleus -Putamen -Globus pallidus

Question 27

Diencephalon

Answer 27

Part of forebrain consisting largely of the thalamus and hypothalamus

Question 28

Thalamus

Answer 28

main sensory Relay for all senses (except smell) and the cortex

Question 29

Hypothalamus

Answer 29

Set of nuclei involved in regulating the autonmic nervous system, controlling the pituitary gland. Much of the endocrine system controlled by hormones produced in hypothalamus primarily concerned with body and its regulation fighting, feeding, fleeing, fucking

Question 30

The midbrain

Answer 30

compromised of the tectum and the tegmentum

Question 31

Tectum

Answer 31

1. superior colliculi = subcortical sensory pathway involved in fast eye movements (vision (turn towards door opening)) 2. inferior colliculi = part of auditory pathway (turn towards loud noise)

Question 32

Tegmentum

Answer 32

Role in motor movement 1. reticular formation 2. red nucleus 3. substantia nigra (dopaminergic cells first creating dop)

Question 33

The hindbrain

Answer 33

contains metencephalon and myelencephalon

Question 34

metencephalon

Answer 34

comprised of the cerebellum and the pons

Question 35

cerebellum

Answer 35

appears as a mini brain -involved in motor coordination and smooth execution of movement

Question 36

pons

Answer 36

part of the reticular formation -involved in sleep and arousal -link between cerebellum and cerebrum

Question 37

Myelencephalon

Answer 37

contains medulla oblongata involved in basic life functions such as breathing, swallowing, vomiting, coughing, sneezing, sleep-wake cycle and heart rate

Question 38

1. The spinal cord communicates with

Answer 38

the sense organs and muscles below the level of the head

Question 39

2. Primary Components of the Spinal Cord:

Answer 39

* Dorsal Roots (out back) * Ventral Roots (come out front)

Question 40

Dorsal roots carry ____ info to the ___ which are =

Answer 40

sensory CNS Afferent

Question 41

Ventral roots carry ___ info to the ____ away from CNS =

Answer 41

motor muscles and glands Efferent

Question 42

Cranial nerves

Answer 42

Set of 12 motor and/or sensory nerves attached to the ventral surface of the brain Sensory and motor functions of the head and neck