Chapter 2

Question 1

Sensory (affarent) neuron

Answer 1

Takes info to the spinal cord

Question 2

Motor (efferent) neuron

Answer 2

Info to muscle or gland from from the spinal cord

Question 3

Glial cells

Answer 3

Replicate, maintain function, prune dead cells, create myelin, act in immune system, help in neuron communication

Question 4

Astrocytes

Answer 4

A glial cell- nutrients, repair, help in signals, protects blood brain barrier

Question 5

Oligodendrocytes

Answer 5

A type of glial cell that creates myelin, aids in development

Question 6

Microglia

Answer 6

Immune function, removal of dead neurons (pruning)

Question 7

Schwann cells

Answer 7

Glial cell in the peripheral NS
Creates myelin
Creates pathway for regrowing axons after injury

Question 8

Dorsal

Answer 8

Up

Question 9

Ventral

Answer 9

Down

Question 10

Anterior

Answer 10

Toward the front

Question 11

Posterior

Answer 11

Toward the back

Question 12

Lateral

Answer 12

Toward the outside

Question 13

Medial

Answer 13

Middle

Question 14

Contralateral

Answer 14

To the right and diagonal down

Question 15

Ipsilateral

Answer 15

Down and diagonal right

Question 16

Somatic

Answer 16

Conscious muscle movement

Question 17

Autonomic

Answer 17

Not consciously controlled

Question 18

Sympathetic

Answer 18

Fight or flight

Question 19

Parasympathetic

Answer 19

Low arousal

Question 20

Dura mater

Answer 20

Thick outer meninges
Layer against the skull

Question 21

Pia mater

Answer 21

Thin membrane follows cerebral cortex

Question 22

Arachnoid

Answer 22

Weblike between pia and dura
Contains CSF and blood vessels

Question 23

Cerebral spinal fluid

Answer 23

Removes waste
Clear liquid made by choroid plexus
In spinal cord, around brain, ventricles

Question 24

Ventricles

Answer 24

Spaces in the brain

Question 25

Corpus collosum

Answer 25

Connective tissue between each hemisphere

Question 26

Cerebral cortex

Answer 26

Lobes of the brain

Question 27

Frontal lobe

Answer 27

Decisions, motivation, higher cognitive reasoning

Question 28

Parietal lobe

Answer 28

Integration and sensory info

Question 29

Occipital lobe

Answer 29

Visual processing

Question 30

Temporal lobe

Answer 30

Language, visual and auditory perception

Question 31

Limbic system

Answer 31

Emotions, learning, motivation, sexual behavior Amygdala Hippocampus Cingulate cortex Fornix Septum

Question 32

Basal ganglia

Answer 32

Coordinated smooth muscle movement and motivation

Question 33

Thalamus

Answer 33

Relays sensory information

Question 34

Lateral geniculate nucleas

Answer 34

Visual system relay

Question 35

Hypothalamus

Answer 35

Hormone regulation and homeostasis

Question 36

Pituitary gland

Answer 36

Hormone regulation

Question 37

Optic chasm

Answer 37

Nerve tracts from eyes

Question 38

Mammillary body

Answer 38

Memory

Question 39

Superior colliculus

Answer 39

Eye tracking and visual reflexes

Question 40

Inferior colliculus

Answer 40

Auditory reflexes

Question 41

Periaqueductal gray

Answer 41

Surrounds cerebral aquaduct. Receives info on fear, fight or flight, and pain

Question 42

Substantial niagra

Answer 42

Sends tracks to the striatum for smooth muscle movement, dopamine

Question 43

Ventral tegmentum

Answer 43

Dopamine, pleasure, motivation

Question 44

Pons

Answer 44

Sleep, arousal, breathing, eye movement, facial expression

Question 45

Cerebellum

Answer 45

Motor control, learning, memory

Question 46

Medulla oblongata

Answer 46

Breathing, heart rate, vomitting

Question 47

Reticular formation

Answer 47

Arousal, sleep, attention, respiration, heart rate