Chapter 1

Question 0

Glia

Answer 0

Cells surrounding and isolate synapses, limiting dispersion of neurotransmitters. Feeds neurons

Question 1

Astrocyte

Answer 1

Glial cell provides support for neurons of CNS, provides nutrients

Question 2

Microglia

Answer 2

Digest other cells and debris through phagocytosis

Question 3

Phagocytosis

Answer 3

Cellular degeneration, glia eats a cell

Question 4

Membrane

Answer 4

Lipid molecules defining outer boundary of cells

Question 5

Cytoplasm

Answer 5

Liquid inside cell

Question 6

PNS

Answer 6

Peripheral Nervous System: outside of the brain and spine like nerves attached to brain

Question 7

CNS

Answer 7

Central Nervous System: Brain and spine

Question 8

Sensory neuron

Answer 8

Detects changes in external or internal env. And sends info to CNS

Question 9

Motor Neuron

Answer 9

Located in CNS controlling contraction of muscles

Question 10

Interneuron

Answer 10

Located entirely in CNS

Question 11

Basic message that an axon carries

Answer 11

Action potential

Question 12

Multipolar neuron

Answer 12

Neuron with 1 axon and many dendrites attached to its soma

Question 13

Bipolar neuron

Answer 13

Neuron with 1 axon and 1 dendrite attached to its soma

Question 14

Unipolar neuron

Answer 14

Neuron with 1 axon attached to its soma. Axon divides.

Question 15

Neuron transmitter

Answer 15

Chemical released by terminal button; has excitatory or inhibitory effect on another neuron

Question 16

Mitochondria

Answer 16

Organelle that extracts ATP for energy

Question 17

Adenosine Tripjosphate

Answer 17

ATP: molecule or cellular energy: broke down creates energy

Question 18

Chromosome

Answer 18

Strand of DNA in nucleus, associated with proteins. Carries generic info

Question 19

Cytoskeleton

Answer 19

Microtubules and protein fibers forming a cohesive mass giving cell shape

Question 20

Enzyme

Answer 20

Molecule controlling chemical reaction, combing or breaking apart two substances

Question 21

Axiomatic Transport

Answer 21

Process where substances are propelled along microtubules running length of axon

Question 22

Microtubule

Answer 22

Strand of bundles of protein around hollow core, involved in intransporting substances from place to place in cell

Question 23

Oligodendrocyte

Answer 23

Glial cell that forms myelin sheath in CNS

Question 24

Schwann Cell

Answer 24

Glial cell that forms myelin sheath in PNS

Question 25

Blood-brain Berrier

Answer 25

Semipermeable barrier between the blood and the brain produced by cells in walls of brains capillaries

Question 26

Area of postrema

Answer 26

Region of medulla where blood-brain barrier is weak. Poisons can be detected and initiate vomiting