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Bioo > 621 > Flashcards

621 Flashcards

1
Q

From the brain to the muscle

A

Motor nerves pulse

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2
Q

Allows physical control of the body

A

Somatic nervous system

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3
Q

Detecting pain and sending it to the brain

A

Sensory neurons

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4
Q

The connecting are on between the sensory and motor neurons

A

Interneuron

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5
Q

The nerve path that leads from the stimulus to the reflex actions

A

Reflex arc

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6
Q

Enclose the brain and cerebral fluid

A

The skull

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7
Q

Protects and and holds the brain

A

Cerebral spinal fluid

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8
Q

A point where depolarization must reach an order for action potential to start

A

Threshold

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9
Q

Positive cells exit making neurons negative

A

Depolarization

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10
Q

Negative sells exiting make the neuron more positive

A

Repolarization

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11
Q

The change in an axon when potassium channels clothes and sodium gates open after depolarization

A

Action potential

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12
Q

GABA

A

The most common inhibitory the brain

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13
Q

External information travels to the sensory nerve impulse. Information moved from the spinal cord into the brain.

A

Sensory receptors

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14
Q

The difference in a charge from the inside and outside of a resting cell

A

Resting potential

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15
Q

The gap between schaawn cells

A

Node of ranveir

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16
Q

The fatty layer around the axon

A

Schwann cells + myelin sheath

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17
Q

Valcules in the ends of the axon are contain a neurotransmitters that are sent into synapse when nerve impulse is received

A

Synoptic vessel

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18
Q

What a neurotransmitter reaches the dendrites of postsynaptic neuron

A

Excitatory response

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19
Q

When I post synaptic neuron is made more negative inside to raise the threshold

A

Inhibitory response

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20
Q

Chemicals that are secreted by neurons to simulate motor neurons

A

Nerotransmitters

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21
Q

Enzymes that break down in the near transmitter Acetylcholine

A

Cholinesterase

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22
Q

The main neurotransmitter of both the somatic nervous system And the parasymathic nervous system

A

Acetycholine

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23
Q

Neurotransmitters in the cortex that account for 75% of Exeter a transmitter in the brain

A

Dopamine

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24
Q

Send layer that covers each color is fear of the brain and allows us to experience the sensation, voluntary movement and thought processes associated with consciences

A

Cerebral cortex

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25
Q

Joins the two hemispheres of the brain of a layer of white matter made up of Exxon transfers impulses from one hemisphere to another

A

Corpus callosum

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26
Q

Motor part of the brain also processes other information and allows us to use critical thinking

A

Frontal lobe

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27
Q

Receives sensory information from the skin and skeletal muscles associate it with our sense of taste

A

Partial lobe

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28
Q

Receives information from our eyes

A

Occipital lobe

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29
Q

Receives information from our ears

A

Temporal lobe

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30
Q

Processing sensory information, receives pain heat touch and cold

A

Thalamus

31
Q

Controls body temperature hunger and behavior along with other metabolism stuff

A

Hypothalamus

32
Q

Responsible for complex behaviour intelligence

A

Cerebrum

33
Q

Involved in head

A

Pons

34
Q

Receives sensory information and motor control

A

Central nervous system

35
Q

Containers that travel in and out of the central nervous system. Three sets of spinal nerves and 12 sets of cranial nerves

A

Peripheral nervous system

36
Q

Send information to internal organs which are not under conscious control

A

Autonomic nervous system

37
Q

Keeps information going to and from the skin and skeletal muscles

A

Somatic nervous system

38
Q

Controls organs when the body is under stress

A

Sympathetic nervous system

39
Q

Controlled to bother you at rest along with slowdowns heart rate

A

Parasympathetic nervous system

40
Q

Controls the right side and things over logic science and math

A

Left hemisphere

41
Q

Controls the left side of the brain and is responsible for creativity

A

Right Hemosphire

42
Q

A type of dementia that causes problems with memory, thinking and behavior. This is caused by the death of brain cells

A

Alzheimers

43
Q

The inflammation of the Meddings, caused by viral or bacterial infection

A

Meningitis

44
Q

Fever, vomiting, drowsiness, severe pain are the symptoms of

A

The symptoms of meningitis

45
Q

Along with lasting progressive disorder that affects the nerve cells in the brain and spinal cord. This causes vision, balance, muscle control and other basic functions to fail

A

Multiple sclerosis

46
Q

An abnormality in the shape of the cornea and lens that results in an even focus

A

Astigmatism

47
Q

Within transparent memories in the corners of the cornea the must be kept moist

A

Conjunctiva

48
Q

Thick white outer layer that gives that I its shape

A

Sclera

49
Q

Concentration of cones on the retina located right behind the center of the lens

A

Fovea centralis

50
Q

Is the pigment that enables the rods to detect them late

A

Rhodopsin

51
Q

Photo receptors in the eye; unable to distinguish color and more light-sensitive and cones

A

Rods

52
Q

The middle layer of the eye, which absorbs lights and Provance internal reflection.

A

Choroidtayer

53
Q

Color receptors in the eye

A

Cons

54
Q

Long eyeballs or strong Ciliary muscles cause people not to see far

A

Myopia

55
Q

Difficulty seeing close up to to short eyeballs or weak ciliary muscles

A

Hyperopia

56
Q

Cloudy, or Opaque area on the lens of the eye and gets bigger overtime must blindness and if not treated

A

Cataracts

57
Q

Abnormal shape in the cornea or lens which causes uneven focus

A

Astigmatism

58
Q

Peripheral vision is impaired due to the build up of aqueous humor fluid and pressure

A

Glaucoma

59
Q

Measures the electricity activity of the functioning brain prints on a map of what is going on

A

EEG

60
Q

Pioneer doing brain surgery well a person is awake

A

Dr.Wilder

61
Q

Scans make a cross-section x-ray that makes a 3-D image of the brain

A

CAT

62
Q

Can see which part of the brains are most active when needed

A

PET

63
Q

Use radio frequencies and large magnets and computers to process details images of the brain and other structures

A

MRI

64
Q

Positive sodium comes into the neuron when the membrane is stimulated. Threshold is reached a -55mv

A

Depolarization

65
Q

Sodium floods in due to a concentration gradient when the sodium gates open gates close and the neuron becomes more positive

A

Depolarizationnn

66
Q

Once action potential moves across the axon repolarization returns to 70 MV

A

Repolarization

67
Q

There are two potassium ions for every blank sodium ions

A

3

68
Q

A type of neuron with two extensions. A part of the pathway.sensory pathways for smell, sight, taste and hearing

A

Bipolar cells

69
Q

Type of neuron located near the inner surface of the inner surface of the retina of the eye. Receives vision information

A

Dongloin cells

70
Q

Begins in the eardrum and ends at the round and oval windows

A

Middle ear

71
Q

Filled with liquid which helps sound vibrations travel. Contains a Coachella, vestibule, semicircular canal

A

Inner ear

72
Q

Allows air pressure to equalize

A

Eustachintube

73
Q

Is caused by damage to the outer ear

A

Conduction deafness

74
Q

Is caused by damage to hair cells in the Coachella

A

Nerve damage

Bioo (2 decks)

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