Ch 9

Question 1

Myel/o

Answer 1

Spinal cord

Question 2

Phas/o

Answer 2

Speech

Question 3

Poli/o

Answer 3

Gray matter

Question 4

Pont/o

Answer 4

Pons

Question 5

Radicul/o

Answer 5

Nerve root

Question 6

Thec/o

Answer 6

Sheath

Question 7

-algesia

Answer 7

Pain, sensitivity

Question 8

-esthesia

Answer 8

Feeling, sensation

Question 9

-paresis

Answer 9

Weakness

Question 10

-phasia

Answer 10

Speech

Question 11

-plegia

Answer 11

Paralysis

Question 12

-taxia

Answer 12

Muscle coordination

Question 13

Comprised of unsheathed or uncovered cell bodies and dendrites

Answer 13

Gray matter

Question 14

Myelinated nerve fibers

Answer 14

White matter

Question 15

Cerebrum

Answer 15

Largest section, upper portion, processes thoughts and judgement, etc

Question 16

Cerebral cortex

Answer 16

Outer layer or cerebrum, composed of folds of gray matter

Question 17

Gyri

Answer 17

Elevated portion of the cerebrum, or convolutions

Question 18

Thalamus

Answer 18

Center for relaying impulses from eyes, ears, and skin to cerebrum, controls perception of pain

Question 19

Diencehalon

Answer 19

Located between cerebrum, contains thalamus and hypothalamus

Question 20

Sulci

Answer 20

Fissures, or valleys, between Gyri

Question 21

Hypothalamus

Answer 21

Controls body temperature, appetite, sleep, sexual desire, and emotions, automatic nervous system, cardio, etc

Question 22

Cerebellum

Answer 22

Coordinating body movements, balance, refines muscular units

Question 23

Brain stem

Answer 23

Midbrain- pathway for impulses between brain and spinal cord
Pons- means bridge between cerebellum to rest of brain
Medulla oblongata- brain to spinal cord

Question 24

Gli/o

Answer 24

Glue

Question 25

Meninges

Answer 25

Protective membrane sac of cns, has 3 layers: dura mater, arachnoid layer, pia mater

Question 26

Dura mater

Answer 26

Outermost, tough, fibrous sac

Question 27

Subdural space

Answer 27

Empty space between dura mater and arachnoid layer

Question 28

Pia mater

Answer 28

Applied directly to surface of brain

Question 29

Afferent neuron

Answer 29

Sensory neurons, carry info from sensory to cns

Question 30

Subarachnoid space

Answer 30

Contains csf

Question 31

Arachnoid layer

Answer 31

Thin, delicate layer attached to pia matter

Question 32

Efferent neurons

Answer 32

Motor neurons, carry instructions from cns to muscles or glands

Question 33

Sympathetic (ans)

Answer 33

Fight or flight

Question 34

Parasympathetic (ans)

Answer 34

Rest and digest

Question 35

Somatic nerves

Answer 35

Voluntary actions, skin & skeletal

Question 36

Aura

Answer 36

Sensations occurring prior to epileptic seizure or migraine

Question 37

Myasthenia gravis

Answer 37

Muscular weakness and fatigue due to insufficient neurotransmitter at synapses

Question 38

Dura mater

Answer 38

Outermost, tough, fibrous sac

Question 39

Arachnoid layer

Answer 39

Thin, delicate layer attached to pia matter

Question 40

Positron emission tomography (PET)

Answer 40

Use of positive radionuclides to construct an image of the brain; image reveals metabolic activity of brain areas

Question 41

Subdural space

Answer 41

Empty space between dura mater and arachnoid layer

Question 42

Meninges

Answer 42

Protective membrane sac of cns, has 3 layers: dura mater, arachnoid layer, pia mater

Question 43

Subarachnoid space

Answer 43

Contains csf

Question 44

Efferent neurons

Answer 44

Motor neurons, carry instructions from cns to muscles or glands

Question 45

Afferent neuron

Answer 45

Sensory neurons, carry info from sensory to cns

Question 46

Pia mater

Answer 46

Applied directly to surface of brain

Question 47

Sympathetic (ans)

Answer 47

Fight or flight

Question 48

Parasympathetic (ans)

Answer 48

Rest and digest

Question 49

Somatic nerves

Answer 49

Voluntary actions, skin & skeletal

Question 50

Positron emission tomography (PET)

Answer 50

Use of positive radionuclides to construct an image of the brain; image reveals metabolic activity of brain areas

Question 51

Myasthenia gravis

Answer 51

Muscular weakness and fatigue due to insufficient neurotransmitter at synapses

Question 52

Aura

Answer 52

Sensations occurring prior to epileptic seizure or migraine