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
Q
- Satellite cells cover neuronal cell bodies in the?
A
PNS
26
Q
- Multipolar neurons have several fibers from one?
A
Cell body
27
Q
- Covers only one fiber and surrounds neuronal fibers?
A
Endonerium
28
Q
- Surrounds a fascicle?
A
Perinerium
29
Q
- Form glycoproteins and lysosomes?
A
Golgi Bodies
30
Q
- Small unmyelinated sensory fibers that pick up pain, temp, and touch?
A
C-fibers
31
Q
- Fat myelinated motor fibers?
A
Alpha fibers
