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PNS > T1 Samples > Flashcards

T1 Samples Flashcards

1
Q

What is the PNS derived from?

A

Neural Crest

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2
Q

What type of neurons is the Dorsal Root Ganglion made up of?

A

Pseudounipolar

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3
Q

What myelinates the PNS?

A

Schwann Cells

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4
Q

What type of neuron contains multiple fibers branching off of it that carry signals through the brain/spinal cord?

A

Multipolar

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5
Q

What is the most common type of glioma?

A

Astrocytoma

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6
Q

The umbilicus is found at dermatome level___?

A

T10

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7
Q

Which organelle is the site of glycoprotein and lysosome synthesis?

A

Golgi Body

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8
Q

What is the minimum number of neurons involved in a reflex?

A

2

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9
Q

What type of neurons are found in the ventricular zone?

A

Pleuripotent Stem Cells

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10
Q

Satellite cells are similar to ___ in the CNS?

A

Astrocytes

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11
Q

What type of reflex is the patellar reflex an example of?

A

Myotactic

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12
Q

What type of motor neuron responds to muscle stretch?

A

Gamma

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13
Q

What type of reflex involves crossed effects?

A

Withdraw Reflex

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14
Q

Muscle spindles are an example of?

A

Stretch Receptors

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15
Q

What is a thermoreceptor?

A

Free nerve ending

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16
Q

What will happen if you have distal nerve damage?

A

Wallerian Degeneration

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17
Q

Which organelle gives structure to the cell body?

A

Cytoskeleton

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18
Q

Which Layer surrounds the Fascicle?

A

Perineurium

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19
Q

Which layer surrounds the nerve?

A

Epineurium

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20
Q

What is the function of satellite cells?

A

To Cover Neuronal cell bodies

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21
Q

Which nerve fiber is the slowest?

A

“C” Fiber

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22
Q

Where are Golgi tendons found?

A

Muscle-tendon junctions

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23
Q

Which neuroglia is analogous to white blood cells?

A

Microglia

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24
Q

How many pairs of spinal nerves are there?

A

31

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25
Q

The PNS is derived from the ____?

A

Neural Crest

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26
Q

The DRG is made up of what type of neurons?

A

Psuedounipolar

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27
Q

What myelinates the PNS?

A

Schwann Cells

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28
Q

What is the functional cell for energy?

A

Mitochondria

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29
Q

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

A

Multipolar

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30
Q

Cell bodies of the PNS are made up of ___?

A

Pseudounipolar or Multipolar

31
Q

Most common cell causing tumor ?

A

Astrocytoma

32
Q

Umbilicus is at what dermatome level?

A

T10

33
Q

MS is caused by a defect of___?

A

Autoimmune attack by myelin (Schwann Cells)

34
Q

Forms Glycoproteins and Lysosomes?

A

Golgi Bodies

35
Q

Thick Sheath covering a fascicle and nerve fibers?

A

Perineurium

36
Q

The minimum amount of neurons in a reflex?

A

2

37
Q

In the ventricular zone, neurons are?

A

Pleuripotent

38
Q

Satellite Cells are similar to what in the CNS?

A

Astrocytes

39
Q

What produces CSF?

A

Ependymal Cells

40
Q

A strip of skin innervates by a single neuron?

A

Receptive Field

41
Q

The patellar reflex is an example of?

A

Myotactic

42
Q

Crossed effect is an example of?

A

Withdrawal reflex and Flexor Reflex

43
Q

Types A axons are?

A

Largest in diameter

44
Q

Type C axons are?

A

Slowest (unmyelinated)

45
Q

This type of motor neuron responds to muscle stretch.

A

Gamma

46
Q

Golgi Tendons are an example of ?

A

Mechanoreceptors

47
Q

Which of the following have free nerve endings?

A

Thermoreceptors

48
Q

Motor supply of a muscle spindle is by?

A

Gamma type neuron

49
Q

Satellite cells____

A

Cover Neuronal cell in PNS

50
Q

PNS derived from

A

Neural crest cells

51
Q

DRG

A

made up of pseudounipolar neurons

52
Q

Myelinates the CNS

A

Oligodendrocytes

53
Q

Funtion is to make energy (ATP)

A

Mitochondria

54
Q

Multiple branches of cell bodies that carry signals from the brain and spinal cord. ____

A

Multipolar

55
Q

PNS is made up of___

A

Multipolar and Pseudounipolar

56
Q

Cells that cause the most tumors in CNS

A

Astrocytomas; M.C. of Brain Tumors;

57
Q

Umbilicus Level Dermatome?

A

T10

58
Q

A defect caused by Schwann cells

A

MS

59
Q

Glycoproteins and Lysosomes produced by?

A

Golgi Bodies

60
Q

Protective covering over a single fascicle

A

Perineurium

61
Q

Minimum amount of neurons in a reflex?

A

2

62
Q

Satellite cells are most similar/analogous to____

A

Astrocytes

63
Q

The Ventricular Zone is made up of

A

Pluripotent Stem Cells

64
Q

Ependymal Cells produce

A

CSF

65
Q

A strip of skin innervated by a single spinal nerve?

A

Dermatome

66
Q

Myotatic Reflex

A

Patellar Reflex

67
Q

Crossed effect is an example of

A

Withdrawal Reflex

68
Q

A type fibers are

A

Largest in diameter

69
Q

C type fibers

A

The slowest

70
Q

Golgi tendon is an example of

A

Mechanoreceptor

71
Q

Thermoreceptors are examples of

A

Free Nerve Endings

72
Q

Motor supply to muscle spindle

A

Gamma Neurons

73
Q

What responds to muscle stretch in patellar reflex

A

Alpha

74
Q

Covers neuronal cell bodies in PNS

A

Satellite Cells

PNS (4 decks)

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