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Biology For Non Majors > Nervous System > Flashcards

Nervous System Flashcards

1
Q

What are the two subsystem of the nervous system?

A

Peripheral nervous system (PNS)

Central nervous system (CNS)

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2
Q

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

A

PNS

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3
Q

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

A

CNS

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4
Q

Specialized cell that receives and transmits information rapidly

A

Neuron

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5
Q

Part of the neuron that receives info from other cells

A

Dendrites

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6
Q

Part of the neuron that transmits info to other cells

A

Axon

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7
Q

The fatty insulation around axons that makes the signal go faster

A

Myelin

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8
Q

The CNS consists of what structures?

A

Brain

Spinal cord

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9
Q

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

A

Frontal lobe

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10
Q

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

A

Parietal lobe

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11
Q

Lobe responsible for vision

A

Occipital lobe

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12
Q

Lobe responsible for hearing and facial recognition

A

Temporal lobe

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13
Q

Neurons that carry info to interneurons in CNS

A

Sensory neurons

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14
Q

Neurons that carry info from interneurons to muscles

A

Motor neurons

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15
Q

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

A

Interneurons

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16
Q

Nervous systems responses may be voluntary or involuntary

True
False

A

True

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17
Q

Voluntary control is also known as

A

Somatic

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18
Q

Involuntary control is also known as

A

Autonomic

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19
Q

The fight or flight response

A

Sympathetic

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20
Q

The rest and digest response

A

Parasympathetic

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21
Q

Some reflexes can bypass the brain

True
False

A

True

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22
Q

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

A

Reflex arc

23
Q

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

A

Synapse

24
Q

Neurotransmitter that controls muscle contractions

A

Acetylcholine

25
Q

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

A

Epinephrine

26
Q

Neurotransmitter that stimulates fight or flight response; increases alertness

A

Norepinephrine

27
Q

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

A

Dopamine

28
Q

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

A

GABA

29
Q

Neurotransmitter that regulates temperature, sleep and mood

A

Serotonin

30
Q

Neurotransmitter that helps regulate day-night cycles including sleep

A

Melatonin

31
Q

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

A

Enkephalins and endorphins

32
Q

Neurotransmitter that regulates transmission of signals from pain receptors

A

Substance P

33
Q

Main regions is the brain:

A

Forebrain
Midbrain
Hindbrain

34
Q

The forebrain consists of:

A

Cerebrum
Thalamus
Hypothalamus

35
Q

The midbrain and hindbrain together make up the

A

Brain stem

36
Q

What are the 5 types of sensory receptors?

A 
Chemoreceptors 
Photoreceptors 
Mechanoreceptors
Thermoreceptors
Pain receptors
37
Q

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

A

Proprioception

38
Q

Part of the eye that controls the amount of light entering

A

Iris

39
Q

The opening in the iris

A

Pupil

40
Q

The part of the eye that focuses light

A

Lens

41
Q

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

A

Retina

42
Q

The part of the neuron that relays info to another neuron is the

Dendrite
Cell body
Axon
Myelin

A

Axon

43
Q

The part of the brain involved in complex thought is the

Thalamus
Midbrain
Hypothalamus
Cortex

A

Cortex

44
Q

What is the proper sequence of a reflex arc?

A

Sensory -> interneurons-> motor

45
Q

Which of the following is not a specific type of receptor?

Chemoreceptor
Auditory receptor
Mechanoreceptor
Photoreceptor

A

Auditory receptor

46
Q

Proprioceptors are receptors that sense

Sound
Light
Chemicals
Body position

A

Body positions

47
Q

The CNS includes the brain and spinal cord

True
False

A

True

48
Q

Reflex arcs are not processed in the brain

True
False

A

True

49
Q

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

A

From dendrite in to axon our

50
Q

Which part of the brain is responsible for higher thought functions?

Cerebrum
Midbrain
Hindbrain
All are correct

A

Cerebrum

51
Q

Which two senses have chemoreceptors?

Sight and touch
Taste and touch
Smell and taste
Sight and smell

A

Smell and taste

52
Q

Which are responsible for our color vision?

Cones
Rods

A

Cones

53
Q

Which are responsible for our black and white vision?

Cones
Rods

A

Rods

54
Q

Tickling is a form of pain

True
False

A

True

Biology For Non Majors (11 decks)

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