Chapter 14 Bio 1191

Question 1

3 to 4 week embryo three primary brain vesicles are

Answer 1

Prosencephalon , mesencephalon, rhombencephalon

Question 2

Prosencephalon, mesencephalon, rhombencephalon is also words for

Answer 2

Forebrain, midbrain and hindbrain

Question 3

Five week embryo, five secondary vesicles

Answer 3

Telencephalon, diencephalon, mesencephalon, metencephalon, myelencephalon

Question 4

The 5 secondary brain vesicles are also called

Answer 4

T - cerebrum , Dien - thalamus/hypothalamus/epithalamus, mesencephalon - midbrain, metencephalon - pons and cerebellum, myelencephalon - medulla oblongata

Question 5

Cranial dura mater is composed of … layers, external …. And internal ……

Answer 5

2 , periosteal and meningeal

Question 6

What is BBB

Answer 6

Isolate the parenchyma of the brain from substances in the blood

Question 7

The ventricles of the brain contain…

Answer 7

CSF

Question 8

What makes CSF in brain

Answer 8

Choroid plexuses

Question 9

Buildup of pressure of CSF is called ….

Answer 9

Hydrocephalus

Question 10

Medulla oblongata is continuous with the …. Aspect of the spinal cord and contains … motor and sensory tracts

Answer 10

Superior , both

Question 11

What helps regulate muscle tone and alerts the cortex to incoming sensory signals from eyes and ears. And maintaining consciousness and awakening from sleep

Answer 11

Reticular formation

Question 12

Medulla oblongata has which nerves

Answer 12

Vestibulocochlear (VIII), glossopharyngeal (IX), vagus (X), accessory (XI), hypoglossal (XII)

Question 13

Pons contain which nerves

Answer 13

Trigeminal (V) , abducens (VI), facial (VII), vestibulocochlear (VIII)

Question 14

Midbrain nerves

Answer 14

Oculomoter (III), trochlear (IV)

Question 15

Cerebellum function

Answer 15

Coordination fo skeletal muscle contraction, fine tune of normal muscle tone, posture , balance

Question 16

Thalamus serves as relay station for all …. To the. ….

Answer 16

Sensory impulses (except smell) to the cerebral cortex

Question 17

Epithalamus

Answer 17

Contain pineal gland for melatonin and habenular nuclei for olfaction

Question 18

What parts of diencephalon can monitor chemical changes in blood because of lack of …

Answer 18

Circumventricular organs and BBB

Question 19

CVOs include?

Answer 19

Hypothalamus, pineal gland, pituitary gland

Question 20

Cerebral cortex is composed of …

Answer 20

Gray matter

Question 21

Deep to cortex is …. Composed of tracts of neurons

Answer 21

White matter

Question 22

Bundle of white matter tracts called

Answer 22

Corpus callosum

Question 23

Paired masses of gray matter in each cerebral hemisphere

Answer 23

Basal nuclei or corpus striatum

Question 24

Basal nuclei does what

Answer 24

Initiate/terminates movements, and suppress unwanted movements and regulates muscle tone

Question 25

The cerebral white matter has 3 types of … tracts

Answer 25

Myelinated axons Association tracts, commissural and projection

Question 26

Association tracts

Answer 26

Axons conduct nerve impulses between gyri in same hemisphere

Question 27

Commissural tracts

Answer 27

Corresponding gyri from one hemisphere to another

Question 28

Projection tracts

Answer 28

Convey impulses to lower parts of the CNS ( thalamus brain stem spinal cord) or vice versa

Question 29

The three groups of commissural tracts are

Answer 29

Corpus callosum, anterior and posterior commissures

Question 30

What controls arm swings and true laughter

Answer 30

Basal nuclei

Question 31

What’s in basal nuclei

Answer 31

Caudate nucleus, putamen, globus pallidus

Question 32

What deals with more complex functions like memory and traits and intelleignce

Answer 32

Association areas

Question 33

What promotes range of emotions, pleasure pain affection

Answer 33

Limbic system

Question 34

Each hemi specializes in unique functions known as

Answer 34

Hemispheric lateralization

Question 35

Which side is more important for reasoning, science, language, sign language

Answer 35

Left

Question 36

Musical artistry awareness and spatial pattern, facial , mental images side?

Answer 36

Right side

Question 37

Electrodes placed on forehead can be used to record a?

Answer 37

Electroencephalogram

Question 38

Brain waves are what?

Answer 38

Electrical activity of the cerebral cortex recorded via EEG

Question 39

What are 4 waves?

Answer 39

Alpha, beta, theta, delta

Question 40

Which wave occur when awake and resting with eyes closed,

Answer 40

Alpha

Question 41

Nervous system is active and during periods of mental activity, which wave?

Answer 41

Beta

Question 42

When kids and adults have emotional stress wave?

Answer 42

Theta

Question 43

Deep sleep in adults but in awake infants wave?

Answer 43

Delta

Question 44

Olfaction nerve

Answer 44

Olfactory I

Question 45

Vision

Answer 45

Optic II

Question 46

Movement of eyeballs and upper eyelid

Answer 46

Oculomotor III

Question 47

Somatic movement for eyeballs

Answer 47

Trochlear (IV)

Question 48

Touch pain on face, and chewing, and control middle ear muscle

Answer 48

Trigeminal (V)

Question 49

Movement of eyeballs

Answer 49

Abducens (VI)

Question 50

Oh Oh Oh to touch and feel very green vegetables A.H.!

Answer 50

lol

Question 51

Touch pain from face, control muscles of facial expression, secretion of tears and saliva

Answer 51

Facial (VII)

Question 52

Hearing equilibrium

Answer 52

Vestibulocochlear (VIII)

Question 53

Taste from tongue, swallowing muscles, blood pressure levels, touch pain skin of ear and pharynx. Swallowing, secretion fo saliva

Answer 53

Glossopharyngeal (IX)

Question 54

Taste from epiglottis, voice box muscles, blood levels, skin of ear, thoracic and abdominal organs sensations, Motility and secretion of digestive canal organs. Constriction of respiratory passageways. Decreases heart rate

Answer 54

Vagus (X)

Question 55

Branchial movement of head and pectoral glide

Answer 55

Accessory (XI)

Question 56

Speech somatic, manipulation. Food and swallowing

Answer 56

Hypoglossal (XII)

Question 57

85% of strokes are what and 15% is what

Answer 57

ischemic and hemorrhagic

Question 58

Temporary cerebral dysfunction caused by impaired blood flow o Typically persists for 5-10 minutes

Answer 58

transient ischemic attack TIA