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Uom psych Sem 2 > Wk 1 BB > Flashcards

Wk 1 BB Flashcards

nervous system

1
Q

Directions in the Nervous

Anterior/Rostral –

A

Front, towards face

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2
Q

which directions of the nervous system are opposites

A

Rosttral - Caudal

Ventral - Dorsal

Anterior posterior

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3
Q

Directions in the Nervous system

Posterior/Caudal

A

behind, towards Back

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4
Q

Directions in the Nervous System

Dorsal

A

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

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5
Q

Directions in the Nervous

Ventral

A

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

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6
Q

Directions in the Nervous

Lateral

A

Towards side / edge

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7
Q

Directions in the Nervous

Medial

A

Toward middle

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8
Q

Directions in the Nervous

ipsilateral

A

same side

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9
Q

Contralateral

A

opposite side

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10
Q

Transverse section -

of brain

A

right angle to neuraxis

(separate top and bottom)

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11
Q

Saggital section of brain

A

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

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12
Q

Frontal/Coronal plane

of brain

A

separates front and back

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13
Q

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.

A

2

20

15

400

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14
Q

Large hole in skull is called

allows passage of

A

Foramen Magnum

spinal cord

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15
Q

Meninges

Dura Mater

A

tough, flexible outermost meninx

skin of brain

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16
Q

Arachnoid (mater)

A

middle layer of the meninges

like a sheet of cling film draped over the brain.

doesn’t dip into valleys of brain contour

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17
Q

Pia mater

A

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

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18
Q

subarachnoid space

filledwith what

A

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

19
Q

Ventricles (in brain)

A

set of hollow chambers within the brain filled with CSF

20
Q

4 ventricles of the brain

Flow of CSF

A

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

21
Q

The forebrain

Contains these 2 areas:

A

contains Telencephalon and Diencephalon

22
Q

Telencephalon

A

cerebral cortex, basal ganglia, limbic system

23
Q

Grey matter is composed of

A

Cell bodies of the neurons

24
Q

White mattter is composed of

A

axons and dendrites

25
Q

Telencephalon

The limbic system

A

set of structures involved in Learning, emotion and Memory

include:
-Limbic Cortex
-Hippocampus
-Amygdala
-Fornix
-mammillary bodies (part of hypothalamus)

26
Q

Telencephalon

basal ganglia

A

Set of structues involved in processing information for motor movement. (and reward)

Major structures include:
-Caudate nucleus
-Putamen
-Globus pallidus

27
Q

Diencephalon

A

Part of forebrain consisting largely of the thalamus and hypothalamus

28
Q

Thalamus

A

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

29
Q

Hypothalamus

A

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

30
Q

The midbrain

A

compromised of the tectum and the tegmentum

31
Q

Tectum

A
  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)
32
Q

Tegmentum

A

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

33
Q

The hindbrain

A

contains metencephalon and myelencephalon

34
Q

metencephalon

A

comprised of the cerebellum and the pons

35
Q

cerebellum

A

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

36
Q

pons

A

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

37
Q

Myelencephalon

A

contains medulla oblongata

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

38
Q
  1. The spinal cord communicates with
A

the sense organs and muscles
below the level of the head

39
Q
  1. Primary Components of the Spinal
    Cord:
A
  • Dorsal Roots (out back)
  • Ventral Roots (come out front)
40
Q

Dorsal roots carry ____ info to the ___

which are =

A

sensory
CNS

Afferent

41
Q

Ventral roots carry ___ info to the ____

away from CNS =

A

motor

muscles and glands

Efferent

42
Q

Cranial nerves

A

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

Uom psych Sem 2 (42 decks)

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