Neuroanatomy

Question 1

Coronal plane means cutting a brain from ____ to ___. Sagittal means slicing brain from ___ to ____. Horizontal means from top to bottom

Answer 1

front; back

side; side

Question 2

Subarachnoid space is made up of ____ mater, a thick layer of tissue that protects brain, _____ space is made up of little fibers where blood vessels move. Below the artery’s and layer of subaracniod tissue includes the _____.

Answer 2

dura; subarachnoid; cortex

Question 3

oxygenated blood goes up through ____ arteries

Answer 3

carotid

Question 4

Carotid arteries meet at ____ of willis and is wrapped around brainstem. They come together at ____ arteries, where the two supplies come together.

Answer 4

circle; basilar

Question 5

____ cerebral artery takes care of tissue in frontal, temporal and parietal lobe. ____ cerebral artery is doing all frontal lobe. ____cerebral artery is doing mostly occipital and temporal lobe and a little parietal lobe.

Answer 5

middle; anterior; posterior

Question 6

____ carotid artery goes into middle cerebral, other branch feeds the anterior and posterior sections. People often have strokes of the _____ cerebral artery.

Answer 6

internal; middle

Question 7

High ____ pressure is another way you can cause stroke. As BP increases increases vasculature wall and you get damage along ______ arteries

Answer 7

blood; lenticulostriate

Question 8

Brainstem is made up of what?

Answer 8

1. medulla
2. pons
3. midbrain

Question 9

____ is important for vision and auditory processing. _____ connects to a lot of parts of brain and integrates sensory and motor signals.

Answer 9

medulla; cerebellum

Question 10

_____ is responsible for coordinating sensory signals

Answer 10

Thalamus

Question 11

Lateral geniculate nucleus in thalamus is responsible for ______ and is major relay for sensory system.

Answer 11

vision

Question 12

____ callous are myelinated fiber tracts that take signal from left hemisphere to right hemisphere

Answer 12

corpus

Question 13

What is inside midbrain?

Answer 13

cerebral aqueduct; becomes spinal fluid inside spinal cord

Question 14

Tectum and tegmenjtum help you identify where you are in regards to the superior ______

Answer 14

colliculus

Question 15

_____ is anatomical region of brain that has common inputs and outputs; afferents and efferents

Answer 15

nucleus

Question 16

____ ganglia wrap around thalamus and serve to modulate signals coming out of thalamus going up to the cortex

Answer 16

basal

Question 17

auditory system get to your system faster than ____ system. this happens at the basal ganglia level.

Answer 17

visual

Question 18

What are 3 main structures of the basal ganglia?

Answer 18

1. caudate
2. putamen (on outside; lateral)
3. globus pallidus (medial)
   * impt for temporal coordination

Question 19

damage to _____ or bacterial meningites causes memory loss

Answer 19

hippocampus

Question 20

Hippocampus connect to ____ which work their way down to talk to mammilary bodies

Answer 20

fornix

Question 21

____ cortex is very thin and is composed of four lobes

Answer 21

cerebral

Question 22

Sensory info relays through ____ which is modulated temporally by basal ganglia and sent to different primary cortical areas and all of the other parts of brain take signal from primary areas.

Answer 22

thalamus

Question 23

Area ____ is primary visual cortex, and go through 18, and 19

Answer 23

17

Question 24

Humans have ____ billion neurons

Answer 24

86

Question 25

What are human brain differences

Answer 25

1. Have more cells
2. Have more cell connections
3. species variation in cortical connectivity (frontal, temporal and parietal lobes)