Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Physiology > Neurophysiology > Flashcards

Neurophysiology Flashcards

0
Q

Produce CSF

A

Ependymal cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

More numerous: glial cells or neurons

A

Glial cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Macrophage of the brain

A

Microglia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Regulates ECF ion levels, gives mechanical support, forms BBB

A

Astrocyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Creates myelin in the CNS

A

Oligodendrocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Creates myelin in the PNS

A

Schwann cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Brain tumor from non-mature neurons

A

Neuroblastoma, retinoblastoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Receiving portion for NT of the neuron

A

Dendrites, cell body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Where action potential in a neuron actually starts

A

Axon hillock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Function of myelin sheath

A

Insulator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Unmyelinated portion of the axon

A

Nodes of ranvier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Branches of the axon

A

Neural fibril

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Terminal portion of a neural fibril that containsNT-containing vesicles

A

Axon terminal/boutons/end-feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Space between 2 neurons

A

Synapse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What do you call the death of the axon distal to the site of injury after an axon is transected?

A

Anterograde/orthograde degeneration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What do you call the changes in the soma after an axon is transected?

A

Axonal reaction/chromatolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Axonal regeneration occurs better in the CNS or PND?

A

PNS

17
Q

Make the membrane potential less negative

A

Depolarization

18
Q

Make the MP more negative

A

Hyperpolarization

19
Q

Positive charges flowing into the cell

A

Inward current

20
Q

Positive charges flowing out of the cell

A

Outward current

21
Q

MP in which AP is inevitable

A

Threshold

22
Q

Portion of the AP where MP is positive

A

Overshoot

23
Q

Portion of AP where MP< RMP

A

Undershoot (hyperpolarizing afterpotential)

24
Q

Na channel blockers of neurons

A

Tetradotoxin, saxitoxin

25
Q

K channel blockers of neurons

A

Tetraethylammonium

26
Q

Synaptic inputs that depolarize the post-synaptic cell

A

Excitatory post-synaptic potential (EPSP)

27
Q

Synaptic inputs that hyperpolarize the post-synaptic cell

A

Inhibitory post-synaptic potential (IPSP)

28
Q

2 or more presynaptic inputs arrive at postsynaptic cell simultaneously

A

Spatial summation

29
Q

2 or more presynaptic inputs arrive at postsynaptic cell in rapid succession

A

Temporal summation

30
Q

Repeated stimulation causes response of postsynaptic cell to be greater than expected

A

Nerve facilitation

31
Q

Increased release of NT & increased sensitivity to the NT

A

Long term potentiation

32
Q

Repeated stimulation causes decreased response of postsynaptic cell

A

Synaptic fatigue

33
Q

Produces mainly oxytocin

A

Paraventricular nuclei

34
Q

Produces mainly vasopressin

A

Supraoptic nuclei

35
Q

Satiety center

A

Ventromedial nuclei

36
Q

Hunger center

A

Lateral nuclei

37
Q

Sweating (heat release)

A

Anterior hypothalamus

38
Q

Shivering (heat conservation)

A

Posterior hypothalamus

39
Q

Reward center

A

Medial forebrain bundle

40
Q

Punishment center

A

Central gray area around aqueduct of Sylvius

41
Q

Social inhibition

A

Amygdala

Physiology (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions