Chapter 10 - Vocabulary

Question 1

Axon

Answer 1

Microscopic finer that carries the nervous impulse along a nerve cell

Question 2

Central nervous system (CNS)

Answer 2

Brain and the spinal cord

Question 3

Cerebellum

Answer 3

Posterior part of the brain that coordinates muscle movements and maintains balance

Question 4

Cerebrospinal fluid (CSF)

Answer 4

Circulated throughout the brain and spinal cord

Question 5

Cerebrum

Answer 5

Largest part of brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory

Question 6

Dendrite

Answer 6

Microscopic branching fiber of a nerve cell that is first part to receive nervous impulse

Question 7

Ganglion

Answer 7

Collection of nerve cell bodies in peripheral nervous system

Question 8

Medulla oblongata

Answer 8

Part of brain just above spinal cord; controls breathing, heartbeat, and size of blood vessels; nerve divers cross over here

Question 9

Meninges

Answer 9

Three protective membranes that surround the brain and spinal cord

Question 10

Myelin sheath

Answer 10

Covering of white fatty tissue that surrounds and insulated the axon of a nerve cell. Myelin speeds impulse conduction along axons

Question 11

Nerve

Answer 11

Microscopic cord-like collection of fibers (axons and dendrites) that carry electrical impulses

Question 12

Neuron

Answer 12

Nerve cell that carries impulses throughout the body; parenchyma of the nervous system

Question 13

Peripheral nervous system (PNS)

Answer 13

Nerves outside the brain and spinal cord: cranial, spinal, and autonomic nerves

Question 14

Synapse

Answer 14

Space through which a nervous impulse travels between nerve cells or between nerve and muscle or glandular cells

Question 15

Absence seizure

Answer 15

Form of seizure consisting of momentary clouding if consciousness and loss of awareness of surroundings

Question 16

Aneurysm

Answer 16

Enlarged, weakened area in an arterial wall, which may rupture, leading to hemorrhage and CVA (stroke)

Question 17

Dementia

Answer 17

Mental decline and deterioration

Question 18

Embolus

Answer 18

Clot of material that travels through the bloodstream and suddenly blocks a vessel

Question 19

Occlusion

Answer 19

Blockage

Question 20

Palliative

Answer 20

Relieving symptoms but not curing them

Question 21

TIA

Answer 21

Transient ischemic attack. Can occur with all 3 types of strokes: trhombolytic, embolic, and hemorrhage.

Question 22

Tonic-clonic seizure

Answer 22

Major (grand mal) convulsive seizure marked by sudden loss of consciousness, stiffening of muscles, and twitching and jerking movements

Question 23

AD

Answer 23

Alzheimer’s disease

Question 24

CNS

Answer 24

Central nervous system

Question 25

CSF

Answer 25

Cerebrospinal fluid

Question 26

EEG

Answer 26

Electroencephalography

Question 27

LP

Answer 27

Lumbar puncture

Question 28

MRI

Answer 28

Magnetic resonance imaging

Question 29

MS

Answer 29

Multiple sclerosis

Question 30

TIA

Answer 30

Transient ischemic attack