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602 HSF > 9. Neurobiology > Flashcards

9. Neurobiology Flashcards

1
Q

The functional unit of the NS is a _

A

neuron

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2
Q

Special senses are _ neurons

A

bipolar

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3
Q

Pseudounipolar neurons are usually _ neurons

A

sensory

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4
Q

Multipolar neurons are mainly _ neurons

A

motor

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5
Q

Pseudounipolar neurons don’t have _, these are instead _ on the receiving end of the axon

A

dendrites

receptors

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6
Q

T/F Oligodendrocytes help to maintain the blood brain barrier

A

False (astrocytes)

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7
Q

_ cells provide nutrition to the cell bodies in ganglion in the PNS

A

Satellite

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8
Q

How many vesicles are formed at 4 weeks and what are they in correct order?

A

3
Prosencephalon
Mesencephalon
Rhombencephalon

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9
Q

How many vesicles are formed at 5 weeks and what are they in correct order?

A 
5
Telencephalon 
Diencephalon
Mesencephalon (Midbrain)
Metencephalon
Myelencephalon
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10
Q

Telencephalon develops into the _ and _

A

cerebral hemispheres

lateral ventricles

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11
Q

Diencephalon develops into _, _, and _

A

Thalamus
hypothalamus
3rd ventricles

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12
Q

Mesencephalon develops into _ and _

A

cerebral aqueduct

periaqueductal gray

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13
Q

Metencephalon develops into _, _ and _

A

cerebellum
pons
4th ventricle

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14
Q

Mylencephalon develops into _ and _

A

medulla oblongata

4th ventricle

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15
Q

T/F CNs 1 and 2 develop from the mesencephalon

A

False (prosencephalon)

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16
Q

CN 3 develops from _

A

mesencephalon

17
Q

CNs 4-12 develop from _

A

rhombencephalon

18
Q

What are the arches for CNs 5, 7, 9, 10

A

b1
b2
b3
b4

19
Q

What are the rhombomere sensory ganglion location for CN 5,7,9,10?

A

r2
r4
r6
r7

20
Q

What are the rhombomere motor nucleus locations for CN 5,7,9,10?

A

2,3
4,5
6,7
7,8

21
Q

Ventral horn of spinal cord has _ neurons while dorsal horn has _ neurons

A

motor

sensory

22
Q

T/F The lateral horn involves autonomic nerves

A

True

23
Q

The central canal is lined by _

A

ependymal cells

24
Q

T/F There are 4 lobes in the brain

A

False (there are 5, the 5th lobe is the internal lobe that is responsible for emotions)

25
Q

The brainstem is composed of 3 parts, the _

A

Midbrain
pons
medulla oblongata

26
Q

Rexed’s laminae are what?

A

segmented out portions of the gray matter in the spinal cord

27
Q

Lamina 2 is also called _ and looks like a gel substance

A

substantia gelatinosa

28
Q

The dorsal horn is composed of segments _ to _

A

1 to 6

29
Q

The lateral horn is composed of segment _

A

7

30
Q

The ventral horn is composed of segments _ to _

A

8 to 10

602 HSF (19 decks)

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