Brainscape's Knowledge GenomeTM

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


See full index

PNS > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

PNS is derived from the

A

Neural Crest

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

the DRG is made up of what type of neurons

A

Pseudounipolar

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

what myelinates the PNS

A

Schwann cells

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

what is the functional cell for energy

A

mitochondria

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

multiple branches to the cell body that carry signals through the brain/spinal cord

A

multipolar

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

cell bodies of the PNS are made up of

A

pseudounipolar or multipolar

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

most common cell causing tumor

A

astrocytoma

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

umbilicus is what dermatome level

A

T10

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

MS is cause by a defect of

A

autoimmune attack of meylin

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

forms glycoproteins and lysosomes

A

golgi bodies

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

thick sheath covering fascicle and nerve fibers

A

Perineurium

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

the minimum amount of neurons in a reflex

A

2

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

ventricular zone, neurons are

A

pluripotent stem cells

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

satellite cells are similar to what in CNS

A

astrocytes

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

what produces CSF

A

ependymal cells

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

a strip of skin innervated by a single neuron

A

dermatome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

patellar reflex is an example of

A

myotactic A1 fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

crossed effect is an example of

A

withdrawal reflex aka flexor reflex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

type A axons are

A

largest in diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

type C axons are

A

slowest- unmylinated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

type of motor neurons responds to muscle stretch

A

gamma

22
Q

golgi tendon are examples of

A

mechanoreceptors

23
Q

which has free nerve endings

A

pain

temp

24
Q

motor supply of a muscle spindle is by

A

gamma type neurons

25
Q

satellite cells

A

cover neuronal cell bodies in PNS

26
Q

one neuron sensation point

A

receptive field

27
Q

more sensitive part of skin

A

small field

28
Q

less sensitive part of skin

A

larger field

fewer neurons

29
Q

multipolar neurons have several fibers from one

A

cell body

30
Q

covers only one fiber and surrounds neuronal fibers

A

endonerium

31
Q

surrounds a fascicle

A

perineurium

32
Q

small, unmyelinated, sensory fibers that pick up pain, temp, and touch

A

c fibers

33
Q

fat myelinated motor fibers

A

alpha fibers

34
Q

marginal zone has either

A

neurons or glial cells

35
Q

astrocytomas are responsible for what percentage of brain tumors

A

23%

36
Q

a territory from which sensory unit can be excited

A

receptor field

37
Q

secondary sensory innervations that detects degree of stretch

A

flowerspray endings

38
Q

knee jerk is what type of reflex

A

myotactic reflex 1A fiber

39
Q

golgi tendon organs are found at

A

muscle tendon junctions

40
Q

flexor reflex/ withdrawal reflex is what type of effect

A

crossed effect

41
Q

cauda equina is located where

A

L2-S2

42
Q

epidural space has

A

fat pad

43
Q

what type of fiber responds to muscle stretch in patela reflex

A

alpha

44
Q

connective tissue covering several fascicles

A

epineurium

45
Q

aka for schwann cell

A

neurolemma

46
Q

most common neuron in the body

A

multipolar

47
Q

motor neuron cell bodies found where

A

CNS

48
Q

sensory neuron cell bodies found where

A

PNS in ganglion

49
Q

preganglionic sympathetic neurons

A

CNS lateral horn of SC

50
Q

post ganglionic sympathetic neuron

A

PNS

51
Q

basil ganglia are where

A

CNS motor system

52
Q

patellar reflex akas

A

stretch reflex

deep tendon reflex

PNS (1 decks)

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