Brain Org & spinal cord anatomy

Question 0

Forebrain: (Prosencephalon) Diencephalon

Answer 0

• thalamus, -hypothalamus

Question 1

Forebrain: (Prosencephalon) -Telencephalon

Answer 1

Telencephalon: -Celebral cortex, -Basal Ganglia , -Limbic System
(Cerebral hemisphere)

Question 2

Mesencephalon

Answer 2

MidBrain

Question 3

HindBrain: (Rhombencephalon) Metencephalon

Answer 3

Cerebellum , Pons

Question 4

HindBrain: (Rhombencephalon) Myelencephalon

Answer 4

Medulla

Question 5

Dorsal Horn

Answer 5

Sensory information in

Question 6

Ventral horn

Answer 6

Motor information out

Question 7

Where is the Thalamus.? Forebrain of Hindbrain or Mesencephalon?

Answer 7

Forebrain

Question 8

Is the Hypothalamus? under the Prosencephalon or Rhombencephalon

Answer 8

Prosencephalon

Question 9

Pons is under? Myelencephalon, mesencephalon, metencephalon, Diencephalon,telencephalon

Answer 9

Metencephalon

Question 10

Cerebellum is under? Hindbrain, forebrain

Answer 10

Hindbrain

Question 11

Celebral cortex is under Prosencephalon , Rhombencephalon

Answer 11

Prosencephalon

Question 12

The medulla is under?

Answer 12

Myelencephalon

Question 13

The midbrain is under?

Answer 13

Mesencephalon

Question 14

Agonist

Answer 14

Any drug that mimics the Endogenous NT

Question 15

Endogenous

Answer 15

Natural, original NT

Question 16

Exogenous

Answer 16

Outside, ex: heroin, marijuana

Question 17

Antagonist

Answer 17

Block the normal action of endogenous. Binds in place of endogenous NT prevent action.

Question 18

Competitive or non competitive means:

Answer 18

More than one binding site

Question 19

Competitive

Answer 19

Find the exact same place as the NT

Question 20

Non- competitive

Answer 20

Find another site that doesn’t interfere with the NT

Question 21

Presynaptic Drug Action-

Conduction of action potentials

Answer 21

Ex:TTX, blocks the voltage gated sodium channels, meaning blocks action potentials so muscles can’t move.

Question 22

Presynaptic- Release of synaptic transmitters

Answer 22

Ex: Amphetamine, black widow spider venom, ecstasy and speed. Dumps NT and norepinephrine.

Question 23

Presynaptic- modulation of transmitters release by presynaptic reseptors

Answer 23

Ex: caffeine,

Question 24

Presynaptic- inactivation of transmitter reuptake

Answer 24

Ex: Prozac(blocks the seratonin so it goes back & rebinds), cocaine, amphetamine,

Question 25

Presynaptic- Blockade of NT degradation.

Answer 25

Ex: MAO inhibitors, chemical weapons

Question 26

Postsynaptic- 1. Inactivation of transmitter

Answer 26

Physostigmine

Question 27

Postsynaptic- 2. Alteration of the number of postsynaptic receptors[on the wall]

Answer 27

Ex:alcohol, heroin,

Question 28

Postsynaptic- 3. Blockade of receptors

Answer 28

Ex: antipsychotic drugs. Antagonist. Block dopamine.

Question 29

Postsynaptic- 4. Activation of receptors

Answer 29

Ex: Nicotine, LSD (seratonin agonist), stimulate receptors

Question 30

Postsynaptic- 5. Activation of second messenger

Answer 30

Ex: Lithium- salt, & mood stabilizer, bipolar

Question 31

Amphetamine

Answer 31

Speed

Question 32

Marijuana

Answer 32

Mild hallucinogen , #1 most widely used,

Question 33

What are the 3 components of the brain stem ?

Answer 33

Medulla, pons, midbrain

Question 34

Hippocampus

Answer 34

Memory

Question 35

Amygdala

Answer 35

Aggression, fear, anger

Question 36

Olfactory bulb is in the?

Answer 36

Limbic system

Question 37

Limbic system is responsible for?

Answer 37

Emotional response

Question 38

Basal ganglia is responsible for?

Answer 38

Initiation of movement

Question 39

Where is Parkinson's disease?

Answer 39

In the substantia nigra. Under the Basal Ganglia

Question 40

Cortical lobes- (4)

Answer 40

Frontal, parietal, temporal, occipital

Question 41

Frontal lobe includes?(3)

Answer 41

Strategy, planning, motor area

Question 42

Parietal includes-

Answer 42

Somatosensory (touch), 1. Finger/hands 2.lips/mouth 3.genetelia

Question 43

Temporal lobe includes-

Answer 43

Auditory, language

Question 44

Occipital lobe includes

Answer 44

Vision

Question 45

Circadium rhythm is? Under? Suprachia SCN?

Answer 45

Daily clock. Under hypothalamic nuclei. Anxious will wake you up, resets w/ day light.

Question 46

Where is autism under?

Answer 46

Cerebellum

Question 47

What is cerebellum in charge of?

Answer 47

Motor coordination

Question 48

Cocaine- too much causes?

Answer 48

A heart spasm

Question 49

Cocaine- blocks reuptake of? | 3

Answer 49

DA: dopamine, NE: norepinephrine , 5-HT: seratonin

Question 50

Cocaine- creates (2)

Answer 50

Irregular heart beat, nail baiting/teeth grinding

Question 51

Opiates- endogenous NT are?

Answer 51

Endorphins (brain's natural pain killers), enkephalins, dynorphins

Question 52

Opiates is a ?

Answer 52

CNS depressant and activates endorphin receptors in the brain

Question 53

Opiates include...(3

Answer 53

Opium, heroin, morphine

Question 54

Reward pathway: (4)

Answer 54

1. Ventral tegmental area(VTA) 2. Nucleus accumbens via the 3. Medial forebrain bundle and then to 4. The prefrontal cortex

Question 55

Models of addiction- (4)

Answer 55

Moral, disease, physical, reward

Question 56

Seratonin

Answer 56

Inhibitory. Helps regulate mood, sleep, appetite

Question 57

Endorphins

Answer 57

Energy, natural pain killer

Question 58

Dopamine

Answer 58

Drives addiction, creates desire, release when brain need to take note of current behavior.