T1 Samples Flashcards

(74 cards)

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

ā€œCā€ 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
The PNS is derived from the ____?
Neural Crest
26
The DRG is made up of what type of neurons?
Psuedounipolar
27
What myelinates the PNS?
Schwann Cells
28
What is the functional cell for energy?
Mitochondria
29
Multiple branches to the cell body that carry signals through brain/spinal cord?
Multipolar
30
Cell bodies of the PNS are made up of ___?
Pseudounipolar or Multipolar
31
Most common cell causing tumor ?
Astrocytoma
32
Umbilicus is at what dermatome level?
T10
33
MS is caused by a defect of___?
Autoimmune attack by myelin (Schwann Cells)
34
Forms Glycoproteins and Lysosomes?
Golgi Bodies
35
Thick Sheath covering a fascicle and nerve fibers?
Perineurium
36
The minimum amount of neurons in a reflex?
2
37
In the ventricular zone, neurons are?
Pleuripotent
38
Satellite Cells are similar to what in the CNS?
Astrocytes
39
What produces CSF?
Ependymal Cells
40
A strip of skin innervates by a single neuron?
Receptive Field
41
The patellar reflex is an example of?
Myotactic
42
Crossed effect is an example of?
Withdrawal reflex and Flexor Reflex
43
Types A axons are?
Largest in diameter
44
Type C axons are?
Slowest (unmyelinated)
45
This type of motor neuron responds to muscle stretch.
Gamma
46
Golgi Tendons are an example of ?
Mechanoreceptors
47
Which of the following have free nerve endings?
Thermoreceptors
48
Motor supply of a muscle spindle is by?
Gamma type neuron
49
Satellite cells____
Cover Neuronal cell in PNS
50
PNS derived from
Neural crest cells
51
DRG
made up of pseudounipolar neurons
52
Myelinates the CNS
Oligodendrocytes
53
Funtion is to make energy (ATP)
Mitochondria
54
Multiple branches of cell bodies that carry signals from the brain and spinal cord. ____
Multipolar
55
PNS is made up of___
Multipolar and Pseudounipolar
56
Cells that cause the most tumors in CNS
Astrocytomas; M.C. of Brain Tumors;
57
Umbilicus Level Dermatome?
T10
58
A defect caused by Schwann cells
MS
59
Glycoproteins and Lysosomes produced by?
Golgi Bodies
60
Protective covering over a single fascicle
Perineurium
61
Minimum amount of neurons in a reflex?
2
62
Satellite cells are most similar/analogous to____
Astrocytes
63
The Ventricular Zone is made up of
Pluripotent Stem Cells
64
Ependymal Cells produce
CSF
65
A strip of skin innervated by a single spinal nerve?
Dermatome
66
Myotatic Reflex
Patellar Reflex
67
Crossed effect is an example of
Withdrawal Reflex
68
A type fibers are
Largest in diameter
69
C type fibers
The slowest
70
Golgi tendon is an example of
Mechanoreceptor
71
Thermoreceptors are examples of
Free Nerve Endings
72
Motor supply to muscle spindle
Gamma Neurons
73
What responds to muscle stretch in patellar reflex
Alpha
74
Covers neuronal cell bodies in PNS
Satellite Cells