Nervous System

Question 1

What are the two subsystem of the nervous system?

Answer 1

Peripheral nervous system (PNS)

Central nervous system (CNS)

Question 2

This system gathers information from the environment and sends it to the CNS

Answer 2

PNS

Question 3

This system processes information and sends signals to the body through the PNS

Answer 3

CNS

Question 4

Specialized cell that receives and transmits information rapidly

Answer 4

Neuron

Question 5

Part of the neuron that receives info from other cells

Answer 5

Dendrites

Question 6

Part of the neuron that transmits info to other cells

Answer 6

Axon

Question 7

The fatty insulation around axons that makes the signal go faster

Answer 7

Myelin

Question 8

The CNS consists of what structures?

Answer 8

Brain

Spinal cord

Question 9

Love responsible for motor control, smell, speech, concentration, planning and problem solving

Answer 9

Frontal lobe

Question 10

Love responsible for touch and pressure, taste, and body awareness

Answer 10

Parietal lobe

Question 11

Lobe responsible for vision

Answer 11

Occipital lobe

Question 12

Lobe responsible for hearing and facial recognition

Answer 12

Temporal lobe

Question 13

Neurons that carry info to interneurons in CNS

Answer 13

Sensory neurons

Question 14

Neurons that carry info from interneurons to muscles

Answer 14

Motor neurons

Question 15

Neurons that are part of the CNS that processes sensory input and sends output to motor neurons and/or brain

Answer 15

Interneurons

Question 16

Nervous systems responses may be voluntary or involuntary

True
False

Answer 16

True

Question 17

Voluntary control is also known as

Answer 17

Somatic

Question 18

Involuntary control is also known as

Answer 18

Autonomic

Question 19

The fight or flight response

Answer 19

Sympathetic

Question 20

The rest and digest response

Answer 20

Parasympathetic

Question 21

Some reflexes can bypass the brain

True
False

Answer 21

True

Question 22

This creates a rapid response in the body and bypasses the brain

Answer 22

Reflex arc

Question 23

The gap between the axon of one neuron and the dendrite of another is called

Answer 23

Synapse

Question 24

Neurotransmitter that controls muscle contractions

Answer 24

Acetylcholine

Question 25

Neurotransmitter that increases heart rate, elevated blood pressure, as a part of the fight or flight response

Answer 25

Epinephrine

Question 26

Neurotransmitter that stimulates fight or flight response; increases alertness

Answer 26

Norepinephrine

Question 27

Neurotransmitter that stimulates neurons in the pleasure center of the brain; affects muscle activity

Answer 27

Dopamine

Question 28

Neurotransmitter that assists muscle coordination by suppressing the activity of certain neurons

Answer 28

GABA

Question 29

Neurotransmitter that regulates temperature, sleep and mood

Answer 29

Serotonin

Question 30

Neurotransmitter that helps regulate day-night cycles including sleep

Answer 30

Melatonin

Question 31

Neurotransmitter that inhibit transmission of signals from pain sensors, pain receptors

Answer 31

Enkephalins and endorphins

Question 32

Neurotransmitter that regulates transmission of signals from pain receptors

Answer 32

Substance P

Question 33

Main regions is the brain:

Answer 33

Forebrain Midbrain Hindbrain

Question 34

The forebrain consists of:

Answer 34

Cerebrum Thalamus Hypothalamus

Question 35

The midbrain and hindbrain together make up the

Answer 35

Brain stem

Question 36

What are the 5 types of sensory receptors?

Answer 36

``` Chemoreceptors Photoreceptors Mechanoreceptors Thermoreceptors Pain receptors ```

Question 37

How your body knows where it is in time and space is called

Answer 37

Proprioception

Question 38

Part of the eye that controls the amount of light entering

Answer 38

Iris

Question 39

The opening in the iris

Answer 39

Pupil

Question 40

The part of the eye that focuses light

Answer 40

Lens

Question 41

The sheet of photoreceptors at the back of the eye that converts light stimuli into nerve impulses

Answer 41

Retina

Question 42

The part of the neuron that relays info to another neuron is the Dendrite Cell body Axon Myelin

Answer 42

Axon

Question 43

The part of the brain involved in complex thought is the Thalamus Midbrain Hypothalamus Cortex

Answer 43

Cortex

Question 44

What is the proper sequence of a reflex arc?

Answer 44

Sensory -> interneurons-> motor

Question 45

Which of the following is not a specific type of receptor? Chemoreceptor Auditory receptor Mechanoreceptor Photoreceptor

Answer 45

Auditory receptor

Question 46

Proprioceptors are receptors that sense Sound Light Chemicals Body position

Answer 46

Body positions

Question 47

The CNS includes the brain and spinal cord True False

Answer 47

True

Question 48

Reflex arcs are not processed in the brain True False

Answer 48

True

Question 49

In which direction does info travel in a neuron From axon in to dendrite out From dendrite in to axon out Can travel in either direction Two of the answers are correct

Answer 49

From dendrite in to axon our

Question 50

Which part of the brain is responsible for higher thought functions? Cerebrum Midbrain Hindbrain All are correct

Answer 50

Cerebrum

Question 51

Which two senses have chemoreceptors? Sight and touch Taste and touch Smell and taste Sight and smell

Answer 51

Smell and taste

Question 52

Which are responsible for our color vision? Cones Rods

Answer 52

Cones

Question 53

Which are responsible for our black and white vision? Cones Rods

Answer 53

Rods

Question 54

Tickling is a form of pain True False

Answer 54

True