1.3 Nerve Physiology Flashcards

1
Q

Specific astrocytes found in gray matter; short branching

A

Protoplasmic astrocytes

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

Specific astrocytes found in white matter; long thin unbranched processes

A

Fibrous astrocytes

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

Acts as main phagocytes in the CNS

A

Microglia

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

Secrets myelin in the PNSl only wraps around a single axon

A

Schwann cells / Neurolemmocyte

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

K+ equilibrium potential

A

-94 mV

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

Na+ equilibrium potential

A

+61 mV

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

Rough er and loose ribosomes that replenish plasma membrane proteins

A

Nissl bodies / Chromatophilic bodies

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

Gaps in the unmyelinated axon fiber that also helps in transmission of impulses in saltatory conduction

A

Nodes of Ranvier

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

Star shaped gila cells in the CNS that helps in repair and scarring process of the brain and spinal cord

A

Astrocytes

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

Astrocytes found in gray matter

A

Protoplasmic astrocytes

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

Astrocytes found in white matter

A

Fibrous astrocytes

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

Acts as main phagocytes in the CNS

A

Microglia

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

Chemical substances that affection action potential:Blocks voltage gated Na channels; from puffer fish

A

Tetrodotoxin

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

Chemical substances that affection action potential:Blocks voltage gated Na channels from dinoflagellates and cyanobacterium

A

Saxitoxin

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

Chemical substances that affection action potential:Blocks voltage gated K channels; from honeyee

A

Apamin

17
Q

Chemical substances that affection action potential:Keeps Na channels form closing; form poison arrow frog

A

Batracho toxin

18
Q

Chemical substances that affection action potential:Blocks K channels; from indian red scorpion

A

Iberio toxin

19
Q

Trend (high–>low) of susceptibility of neurons according to: Hypoxia

A

BAC

20
Q

Trend (high–>low) of susceptibility of neurons according to: Pressure

A

ABC

21
Q

Trend (high–>low) of susceptibility of neurons according to: Local anesthetics

A

CBA