The Nervous System

Question 1

what are the 5 directions in anatomy?

Answer 1

lateral view
anterior view
sagittal plate
coronal plate
transverse plane

Question 2

what are the two main branches of the human nervous system?

Answer 2

central and peripheral

Question 3

what is the CNS?

Answer 3

brain and spinal chord

Question 4

what is the PNS?

Answer 4

nerves outside of the CNS

Question 5

what are the two brances within the PNS?

Answer 5

autonomic and somatic

Question 6

what is the autonomic nervous system?

Answer 6

interaction with ‘internal environment’

sympatheitc and parasympathitic

Question 7

what is the somatic nervous system?

Answer 7

interaction with external environments

Question 8

two stages in brain development?

Answer 8

CNS begins as hollow neural tube with a fluid filled internal cavity,
the ‘head’ part expands to form three priamry brain vesicles

Question 9

what are the three primary brain vesicles?

Answer 9

fore, mid and hind brain

Question 10

what are the two regions of brain that have additional grey matter?

Answer 10

cerebral and cerebellar cortex

Question 11

what are the two anatomical views

Answer 11

lateral and anterior

Question 12

what directions does sagittal plate have

Answer 12

d-v

interioir-superior

Question 13

what directions does coroanl plane have

Answer 13

righ-left

interioir-superior

Question 14

what directions does transverse plane have

Answer 14

dorsal-ventral

right-left

Question 15

what are the 4 regions on spinal chord

Answer 15

cervical
thoracic
lumbar
sacral

Question 16

what are components of brain stem

Answer 16

midbrain, pons and medulla

Question 17

what is telencephalon

Answer 17

part of cerebrum

Question 18

what is metancephalon

Answer 18

part of cerebellum

Question 19

what is diencephalum

Answer 19

part of thalamus and hypothalamus

Question 20

what is miencephalon

Answer 20

part of midbrain

Question 21

what is metencephalon

Answer 21

pons

Question 22

what is cell theory

Answer 22

all living organisms composed of one or more cells

Question 23

what are cells

Answer 23

basic unit of life

Question 24

who said cell thoery

Answer 24

matthias schleidan adn thedor schwann

Question 25

what is reticular theory

Answer 25

nervous sytem made of single interlinking netweorks

Question 26

what is neuron doctrine

Answer 26

nervous system made from discrete individual cells

Question 27

what maintains concentration gradients?

Answer 27

high energy consumption

Question 28

what are two types of neurons that act as myelin sheaths

Answer 28

schwann in pns

oligodendrocytes in cns