Practice 1 Flashcards

(49 cards)

1
Q

Which organelle is the site of glycoprotein & lysosome synthesis?

A

Golgi Body

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

Patellar reflex is an example of…?

A

Myotactic reflex

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

What will happen with distal nerve damage?

A

Wallerion Degeneration

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

What is the function of satellite cells?

A

Cover neuronal cell bodies (PNS only)

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

Which neuroglia is analogous to white blood cells?

A

Microglia

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

Golgi tendon organ is an example of…?

A

Mechanoreceptor

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

What senses pain & temperature?

A

Free nerve endings

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

Motor supply to the muscle spindles is supplied by…?

A

Gamma type neurons

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

Multipolar neurons have several fibers that come off of one…?

A

Cell body

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

Which fiber type responds to muscle stretch in patellar reflex?

A

Alpha

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

Astrocytoma percentage?

A

23%

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

Ependyoma percentage?

A

8%

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

Oligodendroglioma percentage?

A

3%

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

Cell bodies of sensory neurons are located in…?

A

DRG

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

What is the embryological derivative of the PNS?

A

Crest cells

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

What is the embryological derivative of the CNS?

A

Neural tube

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

Cell bodies of motor neurons are located in…?

A

Brainstem and Spinal Cord (CNS)

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

Pseudounipolar cells…?

A

Modified bipolar, transmits sensory signals to receptors in skin, joints and muscles

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

Bipolar cells…?

A

Transmits signals for special senses

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

Multipolar cells…?

A

Motor neurons (most common)

21
Q

Cell bodies of the PNS are made up of…?

A

Pseudounipolar & multipolar neurons

22
Q

What is the PNS derived from?

A

Neural crest cells

23
Q

What type of neuron is in the dorsal root ganglion made up of?

A

Psudounipolar

24
Q

What myelinates the PNS?

A

Schwann cells

25
What type of neuron contains multiple fibers branching off of it that carry signals through the brain/spinal cord?
Multipolar
26
What is the most common type of glioma?
Astrocytoma
27
The umbilicus is found at dermatome level...?
T10
28
What are the layers of connective tissue coverings?
Epineurium > Perineurium > Endoneurium
29
What is the minimum number of neurons involved in a reflex?
2
30
What type of neurons are found in the ventricular zone?
Pleuripotent stem cells
31
Satellite cells are similar to ___ in the CNS?
Astrocyte
32
What type of reflex is the patellar reflex an example of?
Myotactic
33
What type of motor neuron responds to muscle stretch?
Gamma
34
What type of reflex involves crossed effects?
Withdraw reflex
35
Muscle spindles are an example of...?
Stretch receptors
36
What is a thermoreceptor?
Free nerve ending
37
Which organelle gives structure to the cell body?
Cytoskeleton
38
Which layer surrounds the fascicle?
Perineurium
39
Which nerve fiber is the slowest?
C
40
Where are golgi tendons found?
Muscle-tendon junctions
41
How many pairs of spinal nerves are there?
31
42
What is the functional cell for energy?
Mitochondria
43
MS is caused by defect of?
Autoimmune attack of myelin
44
What produces CSF?
Ependymal cells
45
A strip of skin innervated by a single neuron?
Receptive field
46
Type A axons are?
Largest in diameter
47
Type C axons are?
Slowest (unmyelinated)
48
The type of motor neuron that responds to muscle stretch?
Gamma
49
Which of the following have free nerve endings?
Thermoreceptors