L2 - Brain Anatomy

Question 1

Central nervous system is composed of…

Answer 1

brain + spinal cord

Question 2

Central nervous system is made up of…

Answer 2

Somatic and autonomic nervous systems

Question 3

Somatic nervous system is made up of…

Answer 3

Afferent and efferent nerves

Question 4

Autonomic nervous system is made up of…

Answer 4

Afferent and efferent (parasympathetic + sympathetic) nerves

Question 5

Afferent nerves

Answer 5

sensory signals from periphery to brain

Question 6

Efferent nerves

Answer 6

motor signals from brain to skeletal muscles

Question 7

Parasympathetic branch

Answer 7

REST + DIGEST
e.g. constricts pupils
increases salivation
slows heart
constricts bronchi

Question 8

Sympathetic branch

Answer 8

ALERTNESS + ACTION
e.g.secretes adrenaline
decreases digestion
inhibits bladder contraction
inhibits genial blood flow

Question 9

Dorsal

Answer 9

superior view

looking down

Question 10

Rostral

Answer 10

anterior view

looking from the front

Question 11

Ventral

Answer 11

inferior view

looking from underneath

Question 12

Caudal

Answer 12

posterior view

looking from the back

Question 13

Coronal

Answer 13

a section like when you slice bread

Question 14

Sagittal

Answer 14

a section like when cutting an apple in half

Question 15

Horizontal

Answer 15

a section like when slicing a bun for a burger

Question 16

Dura mater

Answer 16

Outer protective meninge (tough mother)

Question 17

Arachnoid membrane

Answer 17

Middle protective meninge

Question 18

Subarachnoid space

Answer 18

~ contains blood vessel and cerebrospinal fluid

~ between AM and PM

Question 19

Pia Mater

Answer 19

~ directly in contact with the brain + v soft

Question 20

Cerebrospinal fluid

Answer 20

~ located in subarachnoid space, central canal of spinal cord and four brain ventricles
~ suports and cushions the brain