Nervous System

Question 1

Functions

Answer 1

1) sensory input
2) motor output
3) integration

Question 2

Monitoring stimuli occurring inside and outside the body

Answer 2

Sensory input

Question 3

Interpretation of Sensory Input

Answer 3

Integration

Question 4

Response to stimuli by activating effector organs

Answer 4

Motor output

Question 5

ORGANIZATION OF NS

Answer 5

1) CNS

2) PNS

Question 6

Brain and Spinal cord

Integration and command center

Answer 6

Central Nervous System

CNS

Question 7

Paired spinal and cranial nerves

Carries messages to and from the spinal cord and brain

Answer 7

Peripheral Nervous System

PNS

Question 8

Provides INVOLUNTARY CONTROL of glands, cardiac muscle, smooth muscle

Answer 8

Autonomic System

Question 9

Mediates the “fight or flight” responses

Answer 9

Sympathetic division

Question 10

Mediates processes during the resting state

Answer 10

Parasympathetic Division

Question 11

Involves nerves that convey sensory info to CNS and the motor nerves that transmit impulses to muscles

Answer 11

Somatic system

Question 12

Neuron classifications

Answer 12

1) sensory
2) motor
3) interneurons

Question 13

Transmits impulses towards CNS

Answer 13

Sensory (afferent)

Question 14

Carry impulses away from CNS

Answer 14

Motor (efferent)

Question 15

Shuttle signals through CNS pathways

Answer 15

Interneurons

Question 16

Consists of gelatin-like tissues

Answer 16

Brain

Question 17

Responsible for automatic survival functions

Answer 17

Brainstem

Question 18

Controls heartbeat and breathing

Answer 18

Medulla

Question 19

Sensory-motor coordination

Origin of all cerebral functions

Contains cell bodies and dendrites of the brain neurons

Answer 19

Gray matter

Question 20

Relays impulses between the cortex and the rest of the brain and spinal cord

Dominated by myelinated axons

Answer 20

White Matter

Question 21

Cerebrum’s 2 colored regions

Answer 21

1) Gray Matter

2) White Matter

Question 22

2 hemispheres of the cerebrum

Answer 22

1) Left Hemisphere

2) Right Hemisphere

Question 23

Logic, language, math and analytical abilities

Answer 23

Left Cerebral Hemishpere

Question 24

Musical ability, creativity, emotions and Spatial perception

Answer 24

Right cerebral hemishpere

Question 25

Brain’s sensory switchboard, located ontop of he brainstem Relays messages Directs all incoming sensory info to the cortex Also handles outgoing motor impulses

Answer 25

Thalamus

Question 26

Maintains homeostasis Regulates many hormones, blood pressure, body temperature, heart rate, hunger, thirst and emotions

Answer 26

Hypothalamus

Question 27

Relays sensory info to the cerebrum Coordinates eye reflexes Helps regulate sleep

Answer 27

Midbrain

Question 28

Regulates balance and muscle coordination Helps coordinate voluntary movement

Answer 28

Cerebellum

Question 29

Regulates breathing

Answer 29

Pons

Question 30

Regulates Heartbeat and digestion Also coordinate walking& other movements of body

Answer 30

Medulla oblongata

Question 31

EVOLUTION OF THE BRAIN

Answer 31

Reptilian > Paleomammalian > Neomammalian

Question 32

Limbic System

Answer 32

1) hypothalamus 2) pituitary 3) amygdala 4) hippocampus

Question 33

Body’s ultimate control and info processing center

Answer 33

Cerebral cortex

Question 34

LOBES OF CENTRAL HEMISPHERE

Answer 34

1) frontal 2) parietal 3) occipital 4) temporal

Question 35

Involved in speaking and muscle movements and in making plans & judgements MOTOR CORTEX

Answer 35

Frontal lobe | Forehead to Top

Question 36

Sensory Cortex

Answer 36

Parietal lobe | Top to rear

Question 37

Include the visual areas, which receive visual info from opposite visual field VISUAL CORTEX

Answer 37

Occipital lobe | Back

Question 38

AUDITORY CORTEX

Answer 38

Temporal lobe | Above ears

Question 39

Responses to fight or flight

Answer 39

Amygdala