ATI Science- Nervous System

Question 1

nerve cells that send messages all over your body to allow you to do everything

Answer 1

neurons

Question 2

transmits signals to the CNS from receptors associated with touch, pain, temp, hearing etc

Answer 2

sensory neurons

Question 3

transmits signals FROM the CNS to rest of body such as signaling muscles or glands to respond

Answer 3

motor neurons

Question 4

transmits signals between neurons

Answer 4

interneurons

Question 5

Parts of a neuron

Answer 5

cell body, axon, dendrites

Question 6

receives impulses from sensory receptors and transmits them toward cell body

Answer 6

dendrites

Question 7

transmits impulses away from cell body

Answer 7

axon

Question 8

Where does axon terminate?

Answer 8

Synapse

Question 9

Gaps within axon known as

Answer 9

Nodes of Ranvier

Question 10

cells that create the myelin sheath around neuron axons, which allows for faster and more efficient communication between neurons

Answer 10

oligodendrocytes

Question 11

connect neurons and help transmit information from one neuron to the next

Answer 11

synapse

Question 12

ends of axons which transmit messages to other cells via use of neurotransmitters at synapses

Answer 12

axon terminals

Question 13

Autonomic Nervous system made up of

Answer 13

Sympathetic and Parasympathetic

Question 14

Flight or flight; stress

Answer 14

sympathetic

Question 15

Rest and digest; peace

Answer 15

parasympathatetic

Question 16

nervous system that controls voluntary movements

Answer 16

somatic nervous system

Question 17

nervous system that controls involuntary activities

Answer 17

autonomic nervous system which is part of PNS

Question 18

Central Nervous System composed of

Answer 18

Brain and spinal cord

Question 19

Peripheral Nervous system composed of

Answer 19

Cranial nerves and spinal nerves

Question 20

brings signals from sensory organs/msucles to CNS

Answer 20

(sensory) afferent nerves

Question 21

brings signals from CNS to sensory organs/muscles (muscles/gland)

Answer 21

(motor) efferent nerves

Question 22

Brain is part of ____ & consists of

Answer 22

hindbrain, midbrain, forebrain

Question 23

Hindbrain consists of; also makes up brain stem

Answer 23

medulla oblongata, cerebellum and pons

Question 24

forebrain consists of

Answer 24

cerebrum, thalamus, and hypothalamus

Question 25

lobe responsible for short term & working memory; decision making, planning, judgement

Answer 25

frontal lobe

Question 26

lobe responsible for receiving and processing sensory input such as touch, pressure, heat, cold, and pain.

Answer 26

parietal lobe

Question 27

lobe responsible for visual input, processing and output

Answer 27

occipital lobe

Question 28

lobe responsible for all auditory input, processing and output

Answer 28

temporal lobe

Question 29

part of brain responsible for muscle control/balance &movement, language processing and implicit memory.

Answer 29

cerebellum

Question 30

part of brain where info from body to brain (and vise vera) pass through ; important in respiratory, digestive and circulatory functions

Answer 30

brain stem

Question 31

part of brain serves as a a relay system, transmitting information necessary for vision and hearing

Answer 31

midbrain

Question 32

Sympathetic and parasympthetic nerves are part of which nervous system

Answer 32

ANS which is part of PNS

Question 33

nervous system that maintains homeostasis, controls involuntary functions

Answer 33

Autonomic nervous system

Question 34

maintains body’s body’s homeostasis, regulating body temp, <3 rate, appetite, blood pH, etc

Answer 34

hypothalamus

Question 35

nervous system that increases heart rate, secretes adrenaline, slows digestion

Answer 35

Sympathetic nervous system

Question 36

nervous system that decreases heart rate, signals stop of adrenaline secretion, returns digestion to normal

Answer 36

parasympathetic nervous system

Question 37

nervous system that controls senes and voluntary movement/skeletal movement

Answer 37

somatic nervous system

Question 38

Which part of the brain interprets sensory information?

Answer 38

Cerebrum largest part of brain

Question 39

What structure separates cerebrum into L and R hemispheres?

Answer 39

corpus callosum

Question 40

part of brain responsible vital processes like for blood flow, heartbeat, breathing, BP

Answer 40

medulla oblongata

Question 41

Where are neurotransmitters held?

Answer 41

Synaptic vesicles