First X Am Flashcards
1
Q
- The PNS is derived from the _______ cell?
A
Neural Crest Cell
2
Q
- The DRG is made up of what type of neurons?
A
Pseudounipolar
3
Q
- What myelinates the PNS?
A
Schwann Cells
4
Q
- What is the functional cell for energy (ATP)?
A
Mitochondria
5
Q
- Multiple branches to the cell body that carries signals through brain/spinal cord?
A
Multipolar
6
Q
- Cell bodies of the PNS are made up of?
A
Pseudounipolar or Multipolar
7
Q
- Most common cell causing tumor?
A
Astrocytoma
8
Q
- Umbilicus is at what dermatome level?
A
T-10
9
Q
- MS is cause by a defect of?
A
Autoimmune attack of myelin (Schwann cells?)
10
Q
- Forms Glycoproteins and Lysosomes?
A
Golgi Bodies
11
Q
- Thick sheath covering a fascicle and nerve fibers?
A
Perineurium
12
Q
- The minimum amount of neurons in a reflex?
A
2
13
Q
- In the Ventricular zone, neurons are?
A
Pleuripotent (Stem cell)
14
Q
- Satellite cells are similar to what in the CNS?
A
Astrocytes
15
Q
- What produces CSF?
A
Ependymal cells
16
Q
- A strip of skin inner gated by a single spinal nerve?
A
Dermatome
17
Q
- The patellar reflex is an example of?
A
Myotactic 1 a Fiber
18
Q
- Crossed effect is an example of?
A
Withdrawal reflex aka. Flexor reflex
19
Q
- Type A axons are?
A
Largest in diameter
20
Q
- Type C axons are?
A
Slowest (unmyelinated)
21
Q
- The type of motor neuron responds to muscle stretch
A
Gamma
22
Q
- Golgi tendons are an example of?
A
Mechanoreceptors
23
Q
- Which of the following have free never endings?
A
Thermoreceptors
24
Q
- Motor supply of a muscle spindle is by?
A
Gamma type neurons
25
25. Satellite cells cover neuronal cell bodies in the?
PNS
26
26. Multipolar neurons have several fibers from one?
Cell body
27
27. Covers only one fiber and surrounds neuronal fibers?
Endonerium
28
28. Surrounds a fascicle?
Perinerium
29
29. Form glycoproteins and lysosomes?
Golgi Bodies
30
30. Small unmyelinated sensory fibers that pick up pain, temp, and touch?
C-fibers
31
31. Fat myelinated motor fibers?
Alpha fibers
