[RECALLS] PRELIM EXAM Flashcards
(83 cards)
1
Q
Most sensitive to local anesthesia
A
Nerve fiber C
2
Q
Produce CSF
A
Ependymal cell
3
Q
Difference of PNS and CNS
A
Mesaxon
4
Q
Makes op most subcortical white matter
A
Association
5
Q
Betz cell
A
Inner pyramidal
6
Q
If the axon of the nerve cell is divided:
A
Degenrative changes:
- Distal segment that is separated from cell body
- Portion of the axon proximal to injury
- Cell body from which the axon arises
7
Q
Changes in distal segment
A
Wallerian
8
Q
Changes in cell body following injury to axon
A
Retrograde
9
Q
Nissl material is dispersed through the cytoplasm
A
Chromatolysis
10
Q
Changes occurs 2 days
A
2 weeks
11
Q
Primary visual cortex
A
Area 17
12
Q
Encapsulated except
A
Hair follicle receptors
13
Q
Glial cell functions
A
Protect and support
14
Q
Peripheral
A
Ganglion
15
Q
Where can type C fiber not found
A
Preganglionic
16
Q
Left frontal affected
A
Speech
17
Q
Anterior neuropore closes at
A
25th
18
Q
Corpus callosum contains what type of fibers
A
Comissural
19
Q
Axon
A
Transmit data
20
Q
What germ layer does the brain or nervous system originate from:
A
Ectoderm
21
Q
What separates the supratentorial from the infratentorial:
A
Tentorium cerebelli
22
Q
What is derived from the mesencephalon?
A
AOTA (tectum, tegmentum and aqueduct of sylvius)
23
Q
Location of the postcentral gyrus
A
Parietal
24
Q
Most common cause of neural tube defect
A
Folic acid deficiency
25
What day does the neuropore close?
25
26
What is the area where two neurons make connection:
Synapse
27
Most important stage in the development of the nervous system:
First semester
28
Neurosurgeon is operating, what should not be seen?
Macroglia
29
Function of glial cells
AOTA (Provides nutrition, regenerate, support)
30
What are the primary vesicles
Proesencephalon, mesencephalon and rhomboencephalon
31
Hearing and memory
Temporal lobe
32
Function of axon
Transmit data
33
Function of cell bodies
Generates data
34
Pairs of lumbar nerves
5
35
Not considered as function of cerebral cortex:
A. Overall command of nervous system
B. Origin of all voluntary movement
C. Balance
D. Conscious awareness
C. Balance
36
Final common pathway relatable to posture is found in this area:
A. Cerebellum and brainstem
37
Part of blood brain except:
A. Neuronal membrane
B. Meninges
C. Astrocyte foot pads
D. Astrocyte body
38
Astrocytes are found in __________ mater.
A. Gray
B. White
C. Both
D. Nor A and B
39
The corpus callosum contains what kind of fibers?
Commissural fibers
40
Bounded by cortex, lateral ventricles and basal ganglia:
Brainstem
41
Data inside the neuron is electrical in nature this is referred to as:
Neural transmission
42
Farmer fell from a 10ft high coconut tree, his peripheral nerves were damaged. If the nerves were divided degenerative changes will take place in, except:
A. Distal to the body
B. Proximal to the body
C. Basal nuclei
D. Cell body
43
Following are encapsulated except:
A. Hair follicle receptors
B. Neurotendinous
C. Neuromuscular
D. Ruffini
44
From the statement "farmer fell" what will happen to his cell body:
A. Wallerian degeneration
B. Retrograde
C. Chromatolysis
D. All of the above
45
Difference between PNS and CNS
A. Presence of nodes of ranvier
B. Of incisure
C. Mesaxon
D. Cells producing myelination
46
Child got burned, what receptor?
Free nerve endings
47
Sensitive to local anesthesia:
Type C
48
Visual area
Area 17
49
Injured nerve, change occurs
2 days, 2 weeks
50
Paralysis contralateral leg
Medial area 4
51
These are glial cells:
A. Fibrous astrocytes
B. Oligodendrocytes
C. Ependymal cells
D. AOTA
D. AOTA
52
Call center agent interruption in chages in posture due to overseas calls which are false?
A. Gravity muscles are well toned
B. Summation of impulses on anterior gray horn cells from other NS
C. A number of small muscle fibers are continously contracting to maintain posture
D. Posture depends on simple muscle reflex
53
Projection fibers
A. Corticospinal tract
| B. Thalamus
54
Unmyelinated or nonmyelinated fibers are found in the following except:
A. Postganglionic sympathetic autonomic
B. Preganglionic autonomic
C. Parasympathetic autonomic
D. Autonomic nerve fibers to smooth muscle
55
Betz cells are found in what layer of the cortex
A. Molecular
B. Internal pyramidal ANS
C. External granular
D. Multiform
56
Rods and cones are what type of receptors:
A. Electromagentic ANS
B. Mechanoreceptor
C. Chemoreceptor
57
Involved in masterplan
Gene
58
Brainstem is derived from:
A and B only (Mesencephalon and Rhomboencephalon)
59
Myelinates the CNS
Oligodendrocytes
60
Final driver of synaptic connection
A. Gene
B. Transmitters
C. All of the above
D. Experience
61
Cell bodies of neurons are located in the
Gray matter
62
Cells surrounding the ventricles and walls
Ependymal
63
Separates the temporal lobe from the frontal lobe
A. Sylvian fissue
B. Rolandic fissurre
C. Central sulcus
D. Longitudinal fissure
64
Patient with Schwannoma, how many cervical nerves
8
65
There are ____ pairs of nerves in the sacral.
5
66
Lesion site with paralysis of lower extremity
Medial frontal (area 4)
67
Characteristic of type C fibers
Unmyelinated
68
Best description of CNS
Connection of glial cells are Schmidt lanterman incisure
69
Characteristics of dendrites rather than axon
Contain nissl bodies
70
Not part of the PNS
Spinal cord
71
Where can type C fibers not found
Preganglionic
72
Axon
A. Transmit data
B. Generate data
C. Receive data
73
Makes up most of subcortical white matter
Association fibers
74
Area for origin of all voluntary movement:
Brodmann's area 4 6 8
75
Area for proper response to stimuli:
Prefrontal lobe area 9-12
76
Primary motor area
Area 4
77
Supplementary motor area
Area 6 and 8
78
Brocas area
Area 44
79
Posterior to the rolandic sulcus
Parietal lobe
80
Also part of the limbic system
Prefrontal lobe
81
Receives, collects, processes and interprets general sensory stimuli
Parietal lobe
82
Inferior to the sylvian fissure
Temporal lobe
83
Receives, collects, processes and interprets auditory stimuli
Temporal lobe
