Brain/Neurons

Question 1

Dendrites

Answer 1

Receive info from other neurons

Question 2

Nucleus

Answer 2

Middle of the cell hold DNA

Question 3

Myelin Sheath

Answer 3

Protect the Axon and makes communication easier

Question 4

Nodes of Ranvier

Answer 4

Gaps in myelin sheath

Question 5

Axon

Answer 5

Carries info

Question 6

Axon teminal

Answer 6

Bottom of neuron, sends messages to other neurons

Question 7

Synapse

Answer 7

Gap between neurons, for neurotransmitters

Question 8

Resting Potential

Answer 8

Inside axon (-) outside (+)

Question 9

Stimulus threshold

Answer 9

Push needed to start action potential

Question 10

Action potential

Answer 10

Electrical impulses,
channels open
(- to outside and (+) inside

Question 11

Refectory Period

Answer 11

Repolarized to resting state

Question 12

Afferent

Answer 12

Sensory to brain

Question 13

Efferent

Answer 13

Motor from brain

Question 14

Interneuron

Answer 14

Communicates between neurons

Question 15

Glial cells

Answer 15

Feed, and take care of waste for neurons

Question 16

presynaptic

Answer 16

sends

Question 17

postsynaptic

Answer 17

recieves

Question 18

Excitctory

Answer 18

increases neuron likely hood of firing

Question 19

Inhibitory

Answer 19

Prevents neuron from firing.

Question 20

Acetylcholine (AcH)

Answer 20

Voluntary movement
+ muscles issues (rigid)
- Alzheimer’s

Question 21

Dopamine

Answer 21

“feel good”
+ Schizophrenia
-ADHD

Question 22

Endorphins

Answer 22

Natural opioid
+ No warning of pain
- Feels pain

Question 23

Serotonin

Answer 23

Natural mood stabilizer (sleeping, eating, mood)
+Mania
-Depression

Question 24

GABA

Answer 24

Sleep cycle
+ Eating disorders
- Anxiety

Question 25

Norepinephrine

Answer 25

Adrenaline + High blood pressure -Depression

Question 26

Glutamate

Answer 26

Memory/learning +Alzheimer's - Hard time thinking clearly

Question 27

Antaganist

Answer 27

inhibits

Question 28

Aganist

Answer 28

mimics

Question 29

Central Nervous system

Answer 29

Center of body Brain spine

Question 30

Spine

Answer 30

Reflexes (connect brain and peripheral system)

Question 31

Peripheral Nervous system

Answer 31

Extremities (carries info to CNS)

Question 32

Somatic

Answer 32

Voluntary movements

Question 33

Autonomic

Answer 33

Involuntary movement

Question 34

Sympathetic

Answer 34

Expand energy (fight or flight)

Question 35

Parasympathetic

Answer 35

Calms down flight or flight

Question 36

Hormones

Answer 36

Chemical signals in the endocrine system (blood stream)

Question 37

Pituitary Gland

Answer 37

Controls hormones (growth) under the brain

Question 38

Adrenal Gland

Answer 38

Human stress response (adrenaline)

Question 39

Gonads

Answer 39

Sex hormones

Question 40

Thyroid Gland

Answer 40

Weight hormone

Question 41

Hypothroidism

Answer 41

Weight gain

Question 42

Hyperthyroidism

Answer 42

cannot gain Weight

Question 43

Brainstem

Answer 43

Responsible for automatic survival functions

Question 44

Medulla

Answer 44

Vital functions (heartbeat, blood pressure, breathing)

Question 45

Pons

Answer 45

Helps cordinate movement

Question 46

Reticular Function (RAS)

Answer 46

Maintains alertness (arousal)

Question 47

Thalamus

Answer 47

Sensory info (relay station) Not smell

Question 48

Cerebellum

Answer 48

Muscle movement and balance

Question 49

Hypothalamus

Answer 49

Regulate Pituitary gland (hunger ,thirst, body temp, pleasure)

Question 50

Amygdala

Answer 50

Emotional center (fight or flight)

Question 51

Hippocampus

Answer 51

Memory process

Question 52

Frontal lobe (prefrontal cortex)

Answer 52

Thoughts, decision, planning

Question 53

Motor cortex

Answer 53

Frontal lobe speaking and muscle movement

Question 54

Parental Lobe (somatosensory)

Answer 54

Touch

Question 55

Temporal Lobe

Answer 55

Auditory

Question 56

Occipital Lobe

Answer 56

Vision

Question 57

EEG

Answer 57

Measures Brain waves

Question 58

CAT or CT

Answer 58

Basic picture of the brain

Question 59

PET scan

Answer 59

Use glucose based dye to detect brain functions

Question 60

MRI

Answer 60

Most detailed pics of brain structure

Question 61

fMRI

Answer 61

Most detailed (best) pics of brain processing