Neurological Considerations

Question 1

development of the nervous system begins around what week of embryonic development

Answer 1

third

Question 2

the process of nervous system development starts with the thickening of this outer tissue layer of the embryo

Answer 2

ectoderm

Question 3

the ectoderm thickens to form the __ __

Answer 3

neural plate

Question 4

as the neural plate begins to fold inward it greats the

Answer 4

neural groove

Question 5

what are the sides of the neural groove called

Answer 5

neural folds

Question 6

by the end of this week the neural folds begin to fuse

Answer 6

third

Question 7

by the end of this week the neural folds have completely fused to form the neural tube

Answer 7

forth

Question 8

what structures with the neural tube eventually become

Answer 8

the brain and spinal cord

Question 9

what are the three primary vesicles of the neural tube

Answer 9

prosencephalon, mesencephalon, rhombencephalon

Question 10

the future cerebrum

Answer 10

prosencephalon

Question 11

the future midbrain

Answer 11

mesencephalon

Question 12

the future brainstem and cerebellum

Answer 12

rhombencephalon

Question 13

name the two parts the prosencephalon divides into

Answer 13

telencephalon and diencephalon

Question 14

future cerebral hemispheres

Answer 14

telencephalon

Question 15

future thalamus, hypothalamus, and other structures

Answer 15

diencephalon

Question 16

the rhombencephalon divides into

Answer 16

mesencephalon and myelencephalon

Question 17

future pons and cerebellum

Answer 17

mesencephalon

Question 18

future medulla

Answer 18

myelencephalon

Question 19

which of the three primary vesicles does not divide into additional structures or parts

Answer 19

mesencephalon

Question 20

the _ grows rapidly shaping the brain by _ weeks

Answer 20

telencephalon, 11

Question 21

specialized cells for the nervous system responsible for communicating via electrochemical system of cellular communication

Answer 21

neurons

Question 22

neurons _ with other neurons

Answer 22

synapse

Question 23

list the three parts that make up the cell body of the neuron

Answer 23

soma, dendrites, and an axon

Question 24

the white substance made of proteins and fat that wraps around the axons of motor and sensory neurons

Answer 24

myelin

Question 25

this matter is found throughout the nervous system

Answer 25

white matter

Question 26

responsible for transmission of information for connecting different areas and structures of the brain to one another and enabling them to communicate

Answer 26

white matter

Question 27

lacks myelin and is more concerned with the processing and regulating of information than transmission of information

Answer 27

grey matter

Question 28

where Broca's area is located

Answer 28

inferior frontal gyrus

Question 29

list the characteristics that align with Broca's Aphasia

Answer 29

speech confluent, dysprosody, associated with apraxia and dysarthria, comprehension better than production

Question 30

inferior to the lateral sulcus

Answer 30

temporal lobe

Question 31

where is the hearing center located within the temporal lobe

Answer 31

upper half of anterior two thirds of lobe

Question 32

specific tone discrimination, loudness, quality of sound

Answer 32

primary auditory areain

Question 33

interprets the meaning of spoken word and music

Answer 33

secondary auditory area

Question 34

lies in the posterior part of superior temporal lobe

Answer 34

wernicke's area

Question 35

is developed in only one hemisphere and is important for the integration of sensory input

Answer 35

wernicke's area

Question 36

this MCA deficit includes weakness on one side of the body, face and arms usually more affected than legs

Answer 36

contralateral hemiplegia

Question 37

this MCA deficit includes numbness in same side as motor loss

Answer 37

cortical hypothesia

Question 38

this MCA deficit includes loss of one half of the visual field in each eye

Answer 38

hemianopsia

Question 39

this MCA deficit includes inability to assign meaning to what you see

Answer 39

visual agnosia

Question 40

this ACA deficit includes contralateral hemiplegia of leg only

Answer 40

paralysis

Question 41

list the 7 deficits associated with MCA lesions

Answer 41

contralateral hemiplegia, cortical hypothesia, hemianopsia, aphasia, visual agnosia, apraxia, unilateral upper motor neuron dysarthria

Question 42

list the four deficits associated with ACA lesions

Answer 42

paralysis, cognitive and emotional changes, apraxia of gait, incontinence

Question 43

list the four deficits associated with PCA

Answer 43

Alexia, hemianopsia, visual agnosia, and cortical blindness

Question 44

upper motor neuron innervation for CN V trigemiinal is

Answer 44

bilateral

Question 45

t/f a unilateral motor cortex injury of CN V will paralyze chewing muscles and will have a major impact on speech

Answer 45

false

Question 46

what are some of the complications an individual with bilateral damage to CN V may face

Answer 46

can't close mandible, can't move it in full range or quickly