Ch. 3 Study Guide

Question 1

A decrease in acetylcholine- linked to what disease?

Answer 1

Alzheimer’s

Question 2

Sympathetic vs parasympathetic

Answer 2

Sympathetic division is activated when a person faces a stressful situation.
-increases heart rate, blood flow, dilates pupils, slows digestion, or shuts down processes that are not necessary.

Question 3

Reticular Activating System

Answer 3

Part of the brain that is involved in attention, sleep, and arousal.

Question 4

Frontal lobe

Answer 4

Motor movement

Question 5

Temporal lobes

Answer 5

Auditory processing

Question 6

Occipital lobes

Answer 6

Visual stimuli is sent

Question 7

Partial lobes

Answer 7

Registers senses

Question 8

Corpus callosum

Answer 8

Connects 2 hemispheres

Question 9

Acetylcholine

Answer 9

Learning and memory

Question 10

Dopamine

Answer 10

Motor behavior

Question 11

Serotonin

Answer 11

Emotional arousal and sleep

Question 12

Norepinephrine

Answer 12

Prepares body for action

Question 13

Endorphins

Answer 13

Natural pain reliever

Question 14

Broca’s area

Answer 14

Speech production

Question 15

Wernicks area

Answer 15

Speech comprehension

Question 16

Cerebellum

Answer 16

(Little brain) balance

Question 17

Dendrite

Answer 17

Receive info

Question 18

Ions

Answer 18

Sodium, chloride, and potassio

Question 19

Myelin sheath

Answer 19

Insulation / prevents electrical shortage

Question 20

Cell body

Answer 20

(Soma) decision maker

Question 21

Axon

Answer 21

Carries signals

Question 22

Neuron at rest

Answer 22

-70 mv

Question 23

Neural threshold

Answer 23

-60 mv

Question 24

Axon terminals

Answer 24

Impulse changes from electrical to chemical

Question 25

Portion of brain hat controls heart rate

Answer 25

Medulla

Question 26

Limbic system

Answer 26

Necessary for survival of humans and other mammals

Question 27

Function of thalamus

Answer 27

Transmits sensory info to areas of brain that interpret and respond to info

Question 28

Endocrine system located in middle of brain

Answer 28

Pituitary gland

Question 29

What gland produces growth hormones

Answer 29

Pituitary gland

Question 30

Cause of hypothyroidism

Answer 30

Too little thyroxin

Question 31

Adrenal glands

Answer 31

Produce adrenaline and non adrenaline

Question 32

Glands that produce testosterone

Answer 32

Testes & ovaries

Question 33

Probs with steroids

Answer 33

Unfair advantage

Question 34

Genes

Answer 34

Basic building blocks of heredity

Question 35

Which chromosome pair determines the sex of child

Answer 35

23rd

Question 36

Down syndrome caused by what

Answer 36

When born w/o all 46 chromosomes

Question 37

Cretinism

Answer 37

Little thyroxin

Question 38

Deoxyribonucleic acid aka what

Answer 38

DNA

Question 39

Cross lateraliZation

Answer 39

Right hemisphere controls left side of body, left hemisphere controls right

Question 40

Left hemisphere

Answer 40

Logical skills, math, language, writing

Question 41

Right hemisphere

Answer 41

Creative skills, musical, artistic, spiritual, body control, awareness

Question 42

Dopamine

Answer 42

Bipolar

Question 43

Endorphins

Answer 43

Alzheimer's

Question 44

Serotonin

Answer 44

OCD