Test 1 #2

Question 1

_____ is just a cell and is the basic functional unit of the nervous system

Answer 1

Neuron

Question 2

Types of neurons (3)

Answer 2

pseudounipolar
bipolar
multipolar

Question 3

_____ is the most typical type of neuron

Answer 3

Multipolar

Question 4

______ neuron is usually associated with sensory

Answer 4

Bipolar

Question 5

Bipolar examples (3)

Answer 5

retinal
cochlear
vestibular

Question 6

____ are actually modified bipolar cells

Answer 6

Pseudounipolar

Question 7

Pseudounipolar examples (2)

Answer 7

DRG

trigeminal ganglio

Question 8

Afferent means _____, efferent means _____, _____ is the most common

Answer 8

towards, away, interneuron

Question 9

Function of a neuron can be (3)

Answer 9

excitatory
inhibitory
transmittors

Question 10

Original view of nervous system was that is was similar to the _____ system

Answer 10

circulatory

Question 11

____ created the neuron doctrine in the 1900’s, but wasn’t proven until the 1960’s. He is also considered the father of neuroanatomy

Answer 11

Ramone Kahal

Question 12

The most well known proponent of the reticular doctrine was ______

Answer 12

Camillo Golgi

Question 13

Makes a nerve cell special (2)

Answer 13

carries signal over distances

goes though 2 main fibers (dendrite, axon)

Question 14

_____ transport is down the axon, _____ is back up the axon

Answer 14

Anterograde, retrograde

Question 15

____ are how neurons communicate with one another

Answer 15

synapses

Question 16

____ is the most common synapse, second most common is _____

Answer 16

Axodendritic, axosomatic

Question 17

_____ axon to cell body
_____ cell body to cell body
_____ axon to axon
_____ dendrite to dendrite

Answer 17

axosomatic
somatosomatic
axoaxonic
dendrodendritic

Question 18

Electrical transmission is by _____ transmission via gap junctions

Answer 18

somatosomatic

Question 19

____ transmission is the most common

Answer 19

Chemical

Question 20

The chemical transmission is packaged in vesicles made of

Answer 20

phospholipid

Question 21

The ____ is NOT the only cell in the nervous system

Answer 21

neuron

Question 22

____ is nerve glue of supporting cells

Answer 22

Neuroglia

Question 23

Myelinated fibers: Schwann cell is found in the _____, Oligodendrocytes are found in the _____

Answer 23

PNS, CNS

Question 24

In the PNS the gaps betweeen Schwann cells is called the _____

Answer 24

Node of Ranvier

Question 25

____ myelinate only one fiber, while _____ myelinate several

Answer 25

Schwann cells, Oligodendrocytes

Question 26

_____ act as the immune system of the nervous system and are phagocytotic in nature

Answer 26

____ myelinate only one fiber, while _____ myelinate several

Question 27

____ are the endothelial cells of the nervous system and are the most numerous

Answer 27

Astrocytes

Question 28

Roles of astrocytes (2)

Answer 28

role in the blood brain barrier | role in how neuron metabolizes

Question 29

Ependymal cells are _____ cells and multiply _____

Answer 29

epithelial, slowly

Question 30

Ependymal cells are epithelial cells, but more precisely they are ______ cells and line the _____

Answer 30

pseudostratified ciliated, ventricles

Question 31

Ependymal cells make CSF and are considered possible _____

Answer 31

stem cells

Question 32

_____ cells act like an octopus

Answer 32

Oiigodendrocytes

Question 33

If there is a myelination defect in oligodendrocytes, it could cause ____

Answer 33

MS

Question 34

____ is the beginning of the nervous system development. It isn't the first system to develop, the _____ develops first

Answer 34

Neurulation, circulatory

Question 35

The notochord develops during the ____ week

Answer 35

3rd(maybe 4th)

Question 36

During neurulation, _____ occurs and the cells of the ectoderm migrate _____

Answer 36

induction, medially

Question 37

____ provides the axial skeleton before the real axial skeleton develops

Answer 37

Notochord

Question 38

Layers of the notochord (3)

Answer 38

ectoderm mesoderm endoderm

Question 39

Ectoderm, the top layer develops (4)

Answer 39

skin, hair, nervous system, brain

Question 40

Mesoderm develops (3)

Answer 40

muscle bone connective tissue

Question 41

Endoderm develops (3)

Answer 41

lining associated with: respiratory system vascular system digestive system

Question 42

Notochord signals the ectoderm to migrate medially which forms the _____

Answer 42

neural plate

Question 43

The neural plate sinks to form the _____.

Answer 43

neural groove

Question 44

The ridge is called the _____,

Answer 44

neural fold

Question 45

The peak of the neural fold is _____

Answer 45

neural crest

Question 46

Neural fold comes together to form the _____

Answer 46

neural tube

Question 47

Neural tube forms the _____, neural crest forms the _____

Answer 47

CNS, PNS

Question 48

Front of the neural tube expands to form the _____

Answer 48

proencephalon

Question 49

The second expansion of the neural tube forms the _____ . In between the two expansion the ______ forms. The rest forms the _____

Answer 49

rhombencephalon, mesencephalon, spinal cord

Question 50

If the caudal neuropores do not form, ____ results, if the cranial neuropores don't form, _____ results

Answer 50

spina bifida, anencephaly

Question 51

In the 5th week, the _____ expands laterally and quickly

Answer 51

prosencephalon

Question 52

Prosencephalon forms the (2)

Answer 52

telencephalon | diencephalon

Question 53

Telencephalon Outer layer ____ deep to the outer layer _____ embedded in the layer that is deep to outer layer _____

Answer 53

cortex white matter subcortical nuclei (corpus striatum)

Question 54

Part of prosencephalon that does not expand as quickly forms ______

Answer 54

diencephalon

Question 55

Diencephalon forms _____

Answer 55

every thalamus name

Question 56

In the mesencephalon, the structure anteriorly is the _____ and the structure dorsally is the _____

Answer 56

cerebral peduncle, tectum

Question 57

The tectum has 4 little bumps called _____

Answer 57

colliculi

Question 58

Rhombencephalon expands anteriorly forming the _____ and posteriorly to form the ______

Answer 58

pons , cerebellum