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Health Science 20 > The Immune System > Flashcards

The Immune System Flashcards

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1
Q

What is the purpose of the immune system

A

Fights infection in the body and keep systems house he remembers pathogens to quickly destroy them when they come

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2
Q

What is the purpose of the lymphatic system

A

Maintain fluid levels and filter fluids for pathogens in the body

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3
Q

Where do you live vessels originate in where did they end up

A

Originate near the pillories end up in limp notes

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4
Q

What are lymph nodes

A

Body structures that filter lymph fluid for pathogens

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5
Q

What are pathogens

A

Any microorganism that can cause harm to the body bacteria fungi virus

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6
Q

What are antigens and how are they important to trigger an immune response

A

Markers to help the body identify pathogen as for and faster so I can be destroyed

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7
Q

Three physical barriers

A

Skin respiratory tract digestive track

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8
Q

How does inflammation help during infection

A

Blood vessels swell and allow more me in sales to get to the infected area

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9
Q

What are phagocytes

A

Cells that patrol a body and eat any foreign sell it identifies

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10
Q

Three examples of phagocytes

A

Neutrophils macrophages dendrites sells

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11
Q

Cells with the innate immune system that are not fake sites what do each of them do

A

Mast cells release histamine causes inflammation basophils release histamine that causes allergic reactions Eosinophils release toxic substances kill parasites natural killer cells destroy host cells taken over by pathogens

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12
Q

What do tonsils do

A

Contain white blood cells to detect antigens to activate the immune response

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13
Q

What blood cells are made in the bone marrow

A

White blood cells

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14
Q

Where do you lymphocytes mature

A

B cells bone marrow T cells thymus gland

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15
Q

Why do we get a fever when we are sick

A

It raises the body temperature to help kill pathogens and indicate to yourself that you were sick

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16
Q

What are memory cells and how are they important

A

Cells that remember pathogens in case of reinfection so your body can respond fast and he probably won’t even realize you’re sick

17
Q

Two main groups white blood cells

A

Phagocytes and lymphocytes

18
Q

What are antigen presenting cells

A

Cells that show a pathogens antigen on their own service to activate other immune cells

19
Q

Three main classes of T cells what do they do

A

Helper activate immune cells develop into memory cells help me pathogens cytotoxic produce per foreign to kill body cells infected by viruses memory respond quickly to future secondary infections

20
Q

Three classes of B cells

A

Regular antibodies on surface plasma secrete antibodies memory respond quickly to secondary infection

21
Q

What is a plasma sell

A

B cells that secrete antibodies into the pod

22
Q

Primary versus secondary exposure to a pathogen

A

Primary immune cells have to learn how to recognize the passage and kill it secondary memory cells recognize the pathogen and kill it before it even makes you very sick

23
Q

How vaccines work

A

Introduce androgens into the blood to the body can make memory cells for if it hits you hard

24
Q

Describe her antibiotics work

A

Provide immediate help fighting off infections your body doesn’t make memory cells

25
Q

Passive immunity pros and cons

A

Pro immediate relief con no long-term protection against secondary infection

26
Q

Active immunity pros and cons

A

Long-term immunity take a while to activate involves protection of memory cells

27
Q

Infection by bacteria examples

A

Pneumonia food poisoning strep throat

28
Q

Virus infection examples

A

Cold flu HIV

29
Q

How does the body target viruses or bacteria in the blood

A

Antibodies tag bacteria and viruses to flag for phagocytes and prevent from spreading further

30
Q

How does the body target viruses that infect her body cells

A

Cytotoxic T cells destroy sales infected by viruses

31
Q

What are auto immune diseases and the wrist factors of them

A

Disease is where immune system attacks healthy cells gender ethnicity and western diet a fatty foods

32
Q

Auto immune disease examples

A

Rheumatoid arthritis type one diabetes MS IBS

33
Q

Innate immune response

A

First non-specific response contains physical barriers inflammation and phagocytosis

34
Q

Adaptive immune

A

Immoral and cell mediated responses creates memory cells cytotoxic T cells destroy so I was infected by the virus is B cells can be memory cells and secured antibodies

Health Science 20 (3 decks)

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