Ch 7

Question 1

Hindbrain man function

Answer 1

Controls homeostasis

Question 2

Midbrain main function

Answer 2

Helps with motor function, reflexes, and visual orienting

Question 3

Thee main cuts

Answer 3

Midsaggital

Coronal

Horizontal

Question 4

What does the CNS consist of, how does it differ from the PNS

Answer 4

CNS consist of brain and spinal cord

It resides in bone unlike PNS

Question 5

Grey matter

Answer 5

Cell bodies in CNS

Question 6

Cortex

Answer 6

Any neurons that form a thing sheet, usually at the brains surface

Question 7

Nucleus

Answer 7

A clear distinguishable mass of neurons, usually deep in the brain

Latin word for nut

Question 8

Substantia

Answer 8

A mass of neurons but less distinguishable than a nucleus

Question 9

Locus

Answer 9

A small well defined group of cells

Question 10

Ganglion

Answer 10

A collection of neurons in the pns

Question 11

Nerve

Answer 11

A bundle of activity be in the there PNS

Question 12

Tract

Answer 12

A c lectionary of axons in the CNS having a common origin and similar destination

Question 13

Bundle

Answer 13

A collection of axons that run together but do not necessarily have the same origin or destination

Question 14

Capsule

Answer 14

A collection of axons that connect the cerebrum to the brain stem

Question 15

Commusure

Answer 15

Any collection of axons that connect one side to the other

Question 16

Lemeniscus

Answer 16

A tract that meanders through the brain like a ribbon

Question 17

The spinal cord is encased in______and connects to _____\

Answer 17

Boney veterbral column

Attaches to brain stem

Question 18

Cranial nerves are part of the ______nervous system

Answer 18

Somatic

Question 19

the five anatomical regions of the vertebre

Answer 19

cervical
thoratic
lumbar
sacral

Question 20

cervical

Answer 20

c1-c8

Question 21

thoratic

Answer 21

t1-t12

Question 22

lumbar

Answer 22

L1-L5

Question 23

Sacral

Answer 23

s1-s5

Question 24

Autonomic Nervous System 2 components

Answer 24

arousing – sympathetic

calming – parasympathetic

Question 25

sympathetic

Answer 25

arousing

Question 26

parasympathetic

Answer 26

calming

Question 27

Cerebral Meninges

Answer 27

Dura Mater, Arachnoid Membrane, Pia mater

Question 28

major cerebral arteries

Answer 28

Anterior cerebral artery (ACA) Middle cerebral artery (MCA) Posterior cerebral artery (PCA)

Question 29

where is CSF produced

Answer 29

in ventricals flows through centeral ventricals and escapes through subachnoid space it is then absorbed into blood

Question 30

fluid filled caverns inside the brain

Answer 30

Ventricular System

Question 31

where is CSF produced

Answer 31

in ventricals in a tissue called choroid plexus

Question 32

blas·tu·la

Answer 32

an animal embryo at the early stage of development when it is a hollow ball of cells.

Question 33

Embryo beings as a...

Answer 33

flat disc

Question 34

three layers of embryos flat disc

Answer 34

endoderm mesoderm ectoderm

Question 35

first step of nervous system development

Answer 35

formation of neural groove. walss of groove are called neural folds neural folds come together and form the neural tube

Question 36

what does the PNS develop from

Answer 36

neural crest

Question 37

somites

Answer 37

mesoderm that give rise to skeletal system and muscles

Question 38

two parts of prepherial nervous system

Answer 38

autonomic somatic

Question 39

autonomic nervous system

Answer 39

Acting or occurring involuntarily, without conscious control

Question 40

somatic nervous system

Answer 40

The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.

Question 41

where is serotonin produced

Answer 41

ralphe nuclei | in hindbrain/brainstem

Question 42

reticular formation

Answer 42

contains nuclei involved in neurotransmitter production, nuclei associated with the cranial nerves, descending tracts involved in modulating sensory and motor functions