Exam 4

Question 1

Functions of nervous system

Answer 1

• Collects information
• Processes and evaluate information
• Initiate response to information

Question 2

CNS

Answer 2

Brain and spinal cord

Question 3

PNS

Answer 3

nerves and ganglia

Question 4

Dendrites

Answer 4

Input
Area where neuron receives incoming information

Question 5

Axon Hilloc

Answer 5

Output
Location where action potentials are initiated

Question 6

Synapse

Answer 6

Communication
Site of communication with target cell

Question 7

Axon

Answer 7

OUtput

Question 8

Cell body

Answer 8

Integration
Contains cells organelles

Question 9

Nucleus

Answer 9

Contains DNA

Question 10

Sensory neurons

Answer 10

Afferent neurons
Conduct input from somatic and visceral receptors to CNS

Question 11

Motor neurons

Answer 11

efferent neurons

conduct output from CNS to somatic and visceral effectors

Question 12

Interneurons

Answer 12

Association neurons

Receive, process, and integrate information from many other neurons

Communicate between sensory and motor neurons; located within CNS

Question 13

Frontal lobe

Answer 13

Voluntary skeletal motor control, higher cognitive functions

Question 14

Parietal lobe

Answer 14

Somatic sensory processing

Question 15

Occipital lobe

Answer 15

Visual processing

Question 16

Temporal lobe

Answer 16

Auditory processing, olfactory processing

Question 17

Broca’s Area

Answer 17

motor production of speech

Question 18

Wernicke’s area

Answer 18

understanding of written and spoken language

Question 19

Corpus callosum

Answer 19

Interconnect left and right hemispheres of cerebral cortex to allow information sharing

Question 20

Thalamus

Answer 20

Relays sensory information from periphery to cortex

Question 21

Hypothalamus

Answer 21

Regulates emotions, autonomic functions, hormone production

Question 22

Hippocampus

Answer 22

Memory storage

Question 23

Pituitary gland

Answer 23

Production of hormones, regulation of other endocrine glands

Question 24

Olfactory nerve

Answer 24

CNI
Smell
Sensory

Question 25

Optic nerve

Answer 25

CNII Vision Sensory

Question 26

Oculomotor

Answer 26

CN III Eye movement Motor

Question 27

Trochlear

Answer 27

CN IV Eye movement Motor

Question 28

Trigeminal

Answer 28

CN V Sensory and motor info to/from face Both

Question 29

Abducens

Answer 29

CN VI Eye movements Motor

Question 30

Facial

Answer 30

CN VII Sensory and motor info to/from face both

Question 31

Vestibulocochlear

Answer 31

CN VIII Balance and equilibrium, hearing Sensory

Question 32

Glossopharanygeal

Answer 32

CN IX Sensory and motor info to/from head and neck Both

Question 33

Vagus

Answer 33

CN X Sensory and motor info to/from thorax and abdomen Both

Question 34

Accessory

Answer 34

CN XI Muscles of neck and upper back Motor

Question 35

Hypoglossal

Answer 35

CN XII Tongue movements Motor

Question 36

Somatic division

Answer 36

part of motor division responsible for conscious or voluntary control of skeletal muscles and reflexes

Question 37

Autonomic division

Answer 37

part of motor division responsible for automatic or involuntary responses

Question 38

Neuroglia

Answer 38

cells of nervous system that insulate, support, and protect delicate neurons

Question 39

Cerebral cortex

Answer 39

Outermost layer of cerebrum composed of gray matter, responsible for thinking and processing info from five senses

Question 40

White matter

Answer 40

Unmyelinated and tightly packed neuron cell bodies

Question 41

Brain stem

Answer 41

connects brain to spinal cord; 3 areas are midbrain, pons, and medulla oblongata; controls breathing, heart rate, and blood pressure

Question 42

Cerebellum

Answer 42

Section of brain with parallel surface grooves, inferior to occipital and temporal lobes, responsible for balance, equilibrium, and coordination Monitors/adjusts postural muscles

Question 43

Pons

Answer 43

Relay sensory info to thalamus and cerebellum Regulate reflexive visceral and motor activities

Question 44

Medulla Oblongata

Answer 44

Relays sensory info to thalamus and brain stem Autonomic centers for visceral activities