FINAL (midterm)

Question 1

Four Lobes of brain and function

Answer 1

frontal= reasoning, motor skills, higher level cognition
parietal=sensory information; touch, pressure, pain
temporal= auditory
occipital= vision

Question 2

knee jerk reflex

Answer 2

monosynaptic neuronal circuitry

Question 3

2 major parts of CNS

Answer 3

brain and spinal cord

Question 4

language impairment and right sided weakness can be the result of

Answer 4

left cortical stroke

Question 5

the minimum time of blood supply arrest that results in irreversible brain damage

Answer 5

5-6 minutes

Question 6

Blood Brain Barrier

Answer 6

• first line of defense for the brain from harmful agents
• restricts mov’t of bacterial or viral agents from the blood to brain
• may keep antibiotics out of brain

Question 7

Middle Cerebral artery

Answer 7

artery that supplies the laterally located language cortex in the brain

Question 8

Cerebellum

Answer 8

• constant monitoring of the cortical motor output
• error-control device for rapid, alternating, and sequential movt’s
• correction of discrepant movements

Question 9

Neural Tube develops into

Answer 9

brain and spinal cord

Question 10

Contralateral deficit

Answer 10

a lesion above the level of decussation of nerve fibers

Question 11

Corpus Collosum

Answer 11

largest interhemispheric commissural fiber bundle

Question 12

Three parts of brain stem

Answer 12

pons, medulla, midbrain

Question 13

Sodium potassium pump

Answer 13

adjusts distribution of ions across the cell membrane

Question 14

deep brain structure which is a relay system

Answer 14

Thalamus

Question 15

deep brain stimulation

Answer 15

surgical procedure involving electrical stimulation of the thalamus for parkinsons

Question 16

Corticospinal

Answer 16

tracts travel from the cerebral cortex and terminate in the spinal cord

Question 17

Cerebralbulbar

Answer 17

tracts travel from the cerebral cortex and terminate in the brainstem

Question 18

Typical conversational loudness

Answer 18

60-70 dB

Question 19

Nystagmus

Answer 19

reflexive, conjugate eye movement which reflects both normal function and pathology

Question 20

The basal ganglia sends _______ info to cortex and the cerebellum sends _______ info to cortex

Answer 20

inhibitory; excitatory

Question 21

Romberg Test

Answer 21

differentiates btwn cerebellar and vestibular abnormalities

Question 22

Bradykinesia

Answer 22

slow movement

Question 23

Ataxic-dysarthria

Answer 23

speech diagnosis resulting from cerebellar damage and resulting in slow, uncoordinated, staccato-like speech

Question 24

Symptoms of normal pressure hydrocephalus (WWW)

Answer 24

weird, wobbly, wet

Question 25

Centrality

Answer 25

CNS integrates all incoming and outgoing info and generates appropriate responses

Question 26

Laterality

Answer 26

left hemisphere dominant for language

Question 27

Hierarchy

Answer 27

the cerebral cortex is the highest level and the spinal cord is the lowest

Question 28

Interconnectivity

Answer 28

the cerebrum is connected through association and commissural fibers

Question 29

Culturally neutral

Answer 29

brain potential is independent of gender, color, cultural variations

Question 30

Functional networking

Answer 30

Distinct parallel pathways conduction different types of info

Question 31

Topographical representation

Answer 31

The homunculus is an illustration of human body superimposed on the brain

Question 32

Plasticity

Answer 32

The brain can change as a result of experience

Question 33

gyrus

Answer 33

elevated region

Question 34

sulcus

Answer 34

groove

Question 35

afferent

Answer 35

mediate toward CNS - sensory - recieve

Question 36

effernet

Answer 36

mediate away from CNS - motor - act, effect

Question 37

gray matter

Answer 37

cell bodies in CNS

Question 38

white matter

Answer 38

axonal bundles in CNS

Question 39

nerve cells

Answer 39

cells that conduct impulses

Question 40

glial cells

Answer 40

supporting cells

Question 41

Golgi Tendon Organs Function

Answer 41

monitor muscle tension during muscle contraction