quiz #2 - brain

Question 1

structures that develop from the telencephalon

Answer 1

cerebral hemispheres, basal nuclei, lateral ventricles

Question 2

meningeal layer that is the most external in the cranium

Answer 2

dura layer

Question 3

key difference between cranial and spinal meninges

Answer 3

cranial dura has 2 layers

spinal dura only has 1 layer

Question 4

large artery that supplies posterior brain

Answer 4

vertebral artery

Question 5

T/F - circle of Willis ensures that CSF can reach entire brain, even if one route is blocked

Answer 5

FALSE

Question 6

functions of hypothalamus

Answer 6

-controls autonomic nervous system (ANS)
-coordinates between nervous system & endocrine system
-regulates hunger, thirst, & feelings of satiety (produces hormones)

Question 7

what structure secretes melatonin

Answer 7

pineal gland

hypothalamus does NOT

Question 8

what is significant about the superior & inferior colliculos of the midbrain

Answer 8

visual, auditory & startle reflex processed here

Question 9

the ascending portion of the reticular formation is called
the…

Answer 9

reticular activating system

Question 10

the largest motor tracts of the body form two bulges in the medulla oblongata & decussate here - these are called…

Answer 10

pyramids

Question 11

region of cerebellum that governs equilibrium & balance

Answer 11

flocculonodular lobe

Question 12

deep valley that separates the left & right hemispheres is called ____, while the white matter which connects them is called the____

Answer 12

longitudinal fissure

corpus collosum

Question 13

CSF is produced in the _____ of the ventricles and is gradually reabsorbed though the _____

Answer 13

choroid plexus

arachnoid villi

Question 14

where does the cerebrospinal fluid flow

Answer 14

subarachnoid space (SAS)

Question 15

diencephalon gives rise to…

Answer 15

thalamus, hypothalamus, epithalamus

Question 16

part of the brainstem is a functional network of neuronal cell bodies & small bundles of myelinated axons which travel through all parts of the brainstem & has an important function in sleep & arousal

Answer 16

reticular formation

Question 17

an important function of this part of the brain is to help regulate initiation & termination as movements

Answer 17

basal nuclei

Question 18

in hemispheric lateralization, which characteristics is the left hemisphere more associated with

Answer 18

reasoning, math, science, written language, sign language

Question 19

brain waves indicate that someone is having a deep, dreamless sleep

Answer 19

delta waves

Question 20

neurological term describes anatomical changes in neurons when they are stimulated

Answer 20

neural plasticity

Question 21

the better type of rehearsal to move information from short term to long term memory is…

Answer 21

elaborative rehearsal

Question 22

main motor control of the body

Answer 22

frontal lobe

Question 23

main sensory output to the body

Answer 23

parietal lobe

Question 24

function of the temporal lobe

Answer 24

hearing (audition)

Question 25

function of the occipital lobe

Answer 25

vision

Question 26

sensory relay to other parts of the brain

Answer 26

thalamus

Question 27

limbic system

Answer 27

emotions

Question 28

structure that carries CSF from 3rd to 4th ventricle

Answer 28

cerebral aqueduct

Question 29

separates primary motor area from primary sensory area

Answer 29

central sulcus

Question 30

part of the brain deep inside the cerebrum, sometimes called the fifth lobe, & aids in motor control, homeostasis and interception

Answer 30

Insula

Question 31

an example of a commissural tract (conducts nerve impulses from one hemisphere to another)

Answer 31

corpus callosum