Exam 2 Flashcards

0
Q

Brain stem function

A

Breathing
Circulation
Digestion

Unconscious

Sensory info in and Motor info out

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1
Q

Brain stem is made up of…

A

Midbrain
Pons
Medulla Oblangata

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2
Q

Cerebellum location

A

Lower bottom section

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3
Q

Cerebellum function

A

Body control

Motor memory

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4
Q

Thalamus function

A

Routes information

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5
Q

Hypothalamus function

A

Maintain homeostasis

Body temp
Osmolarity

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6
Q

Posterior Pituitary function

A

Hormones

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7
Q

Cerebrum function

A

Integration

Making sense of signals

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8
Q

Corpus Collosum function

A

Connects right and left hemisphere

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9
Q

Basal Ganglia function

A

Motor Control

Found only by looking at diseases

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10
Q

Frontal Lobe

A

Emotional
Personally
Speech

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11
Q

Parietal Lobe

A

Sensing and making sense of senses

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12
Q

Occipital Lobe

A

Vision

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13
Q

Temporal Lobe

A

Hearing

Smell

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14
Q

Where is the Somatosensory Cortex

A

Parietal Lobe

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15
Q

Where is the Motor Cortex

A

Frontal Lobe

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16
Q

Action Potential

A

Electrical current traveling through the cell

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17
Q

Dendrites function

A

Capture chemical signal

18
Q

Dendrite Location

A

End branches on neuron

19
Q

Soma

A

Body of Neuron

20
Q

Hillock location

A

Base of Soma

21
Q

Axon Location

A

Tube from Hillock to Terminal Branches

22
Q

Terminal Branches Location

A

Branches at the end of axon

23
Q

Polarity of Neuron

A

Negative on inside

24
Q

Resting Membrane Potential

A

Resting distribution of ions across plasma membrane

25
Q

Na concentration

A

More outside cell

Fast channels to open

26
Q

K concentration

A

More inside cell

Slow channels to open

27
Q

Facilitated Diffusion

A

Allow ions to move from high to low pressure gradient

28
Q

Leakage channel

A

Goes through entire neuron

Always open

29
Q

Ligand Gated Channel

A

Open with chemical stimulation

Ach needed

30
Q

Graded Potential

A

Local Depolarization of plasma membrane

31
Q

Does depolarization decay or increase with distance from the stimulus

A

Decay

32
Q

-55 mV

A

Threshold

33
Q

-70mV

A

Initial membrane potential

34
Q

Voltage gated channels

A

Open when threshold is reached

35
Q

Depolarization

A

Na moving inside cell

Move positive polarization

+30mV

36
Q

Repolarization

A

K moves out of cell

Returning cell to original polarization

37
Q

HyperPolarization

A

More negative polarization that resting membrane potential

38
Q

Gilia- oligdendrocyte

A

CNS

Myelin sheath

39
Q

Gilia - astrocyces

A

CNS

Regulate extracellular fluid

40
Q

Gilia - microglia

A

CNS
Immune function
Macrophage

41
Q

Gilia - Ependymal

A

CNS

Regulate cerebral spinal fluid

42
Q

Gilia - Schwann

A

PNS

Myelinate axons