Exam 2

Question 0

Brain stem function

Answer 0

Breathing
Circulation
Digestion

Unconscious

Sensory info in and Motor info out

Question 1

Brain stem is made up of…

Answer 1

Midbrain
Pons
Medulla Oblangata

Question 2

Cerebellum location

Answer 2

Lower bottom section

Question 3

Cerebellum function

Answer 3

Body control

Motor memory

Question 4

Thalamus function

Answer 4

Routes information

Question 5

Hypothalamus function

Answer 5

Maintain homeostasis

Body temp
Osmolarity

Question 6

Posterior Pituitary function

Answer 6

Hormones

Question 7

Cerebrum function

Answer 7

Integration

Making sense of signals

Question 8

Corpus Collosum function

Answer 8

Connects right and left hemisphere

Question 9

Basal Ganglia function

Answer 9

Motor Control

Found only by looking at diseases

Question 10

Frontal Lobe

Answer 10

Emotional
Personally
Speech

Question 11

Parietal Lobe

Answer 11

Sensing and making sense of senses

Question 12

Occipital Lobe

Answer 12

Vision

Question 13

Temporal Lobe

Answer 13

Hearing

Smell

Question 14

Where is the Somatosensory Cortex

Answer 14

Parietal Lobe

Question 15

Where is the Motor Cortex

Answer 15

Frontal Lobe

Question 16

Action Potential

Answer 16

Electrical current traveling through the cell

Question 17

Dendrites function

Answer 17

Capture chemical signal

Question 18

Dendrite Location

Answer 18

End branches on neuron

Question 19

Soma

Answer 19

Body of Neuron

Question 20

Hillock location

Answer 20

Base of Soma

Question 21

Axon Location

Answer 21

Tube from Hillock to Terminal Branches

Question 22

Terminal Branches Location

Answer 22

Branches at the end of axon

Question 23

Polarity of Neuron

Answer 23

Negative on inside

Question 24

Resting Membrane Potential

Answer 24

Resting distribution of ions across plasma membrane

Question 25

Na concentration

Answer 25

More outside cell Fast channels to open

Question 26

K concentration

Answer 26

More inside cell Slow channels to open

Question 27

Facilitated Diffusion

Answer 27

Allow ions to move from high to low pressure gradient

Question 28

Leakage channel

Answer 28

Goes through entire neuron Always open

Question 29

Ligand Gated Channel

Answer 29

Open with chemical stimulation Ach needed

Question 30

Graded Potential

Answer 30

Local Depolarization of plasma membrane

Question 31

Does depolarization decay or increase with distance from the stimulus

Answer 31

Decay

Question 32

-55 mV

Answer 32

Threshold

Question 33

-70mV

Answer 33

Initial membrane potential

Question 34

Voltage gated channels

Answer 34

Open when threshold is reached

Question 35

Depolarization

Answer 35

Na moving inside cell Move positive polarization +30mV

Question 36

Repolarization

Answer 36

K moves out of cell Returning cell to original polarization

Question 37

HyperPolarization

Answer 37

More negative polarization that resting membrane potential

Question 38

Gilia- oligdendrocyte

Answer 38

CNS | Myelin sheath

Question 39

Gilia - astrocyces

Answer 39

CNS | Regulate extracellular fluid

Question 40

Gilia - microglia

Answer 40

CNS Immune function Macrophage

Question 41

Gilia - Ependymal

Answer 41

CNS | Regulate cerebral spinal fluid

Question 42

Gilia - Schwann

Answer 42

PNS | Myelinate axons