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Unit 1 The Body > Lymphatic System Notes > Flashcards

Lymphatic System Notes Flashcards

1
Q

What is included in the lymphatic system

A

Lymph vessiles
Tonsils
Lymph nodes
Thymus
Spleen

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2
Q

What is Lymph fluid

A

Yellow, colourless and made of interestinal fluid

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3
Q

What are the functions of the lymphatic system

A

Balence fluids in the body
Protect the body against infections

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4
Q

Where do white blood cells mature

A

Lymph nodes

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5
Q

Do aintbodies have a specific target or non specific

A

Yes

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6
Q

Do macrophages have specfic targets or no specific

A

No

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7
Q

What is the job of macrophages

A

Break down large pathogens

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8
Q

Where are lymph nodes locacted

A

In the neck

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9
Q

What is a pathogen

A

Anything that causes disease

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10
Q

What is the first line of defence

A

Skin, mucus, celia, enzymes in tears.

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11
Q

What is the second line of defence

A

Macrophages non specific defence against a variety of pathogens

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12
Q

What is the third line of defence

A

Specific defence against specific pathogens with antibodies produced

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13
Q

What are some items that lower immunity

A

Smoking
Stress
Lack of sleep
Alcohol

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14
Q

What is an antibody

A

Produced by B cells and have a Y shape that target specific antigens

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15
Q

What produce antibodies

A

B cells produced by plasma

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16
Q

Where do antibodies travel in

A

Blood plasma

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17
Q

What are antigens

A

Found on the surface of cells/ pathogens and mark cells. Give identification for T or B cells

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18
Q

Lymphocytes

A

Are responisble for immune responses

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19
Q

Where do B cells mature

A

Bone marrow

20
Q

What is the job of B cells

A

Produce antibodies

21
Q

Where do T cells mature

A

Thymus

22
Q

What are the job of T cells

A

Signal attacks

23
Q

What do antibodies bind to

A

Antigens, to change viruses shape making them harmless.

24
Q

What is the first step in getting rid of a pathogen

A

Macrophages engulf pathogen sending its antigens to the surface.

25
Q

What is the second step in getting rid of a pathogen

A

Helper T cells get activated which send a signal to the B and T cells

26
Q

What is the third step in getting rid of a pathogen

A

Killer T cells destroy invaiders and wounded cells.

27
Q

What happens after a pathogen is deafeted

A

Suppressor T cells shut off immune system so nothing is damaged
Memory B cells save the pathogen incase it happens again

28
Q

What are the jobs of suppressor T cells

A

Shut off immune system so no tissue is harmed

29
Q

What is the job of memory B cells

A

Remember the pathogen

30
Q

What do phagocytes do

A

Clean up any injured cells

31
Q

Centrifuge

A

Spins blood

32
Q

What is in blood

A

Red blood cells, platelets, plasma, white blood cells

33
Q

What is another word for red blood cells

A

Erythrocytes

34
Q

What is the job of red blood cells

A

Carry oxygen to lungs and blood
No nucleus

35
Q

What is the job of white blood cells

A

Fight infection

36
Q

What is another word for white blood cells

A

Leucoytes

37
Q

What is the job of platelets

A

Stop bleeding

38
Q

What is the result of a blood clot

A

Fibrin, acts like a plug

39
Q

What are some parts included in plasma

A

Antibodies
Albumin
Proteins
Water
Hormones

40
Q

What is systolic pressure

A

Max pressure from ventricles

41
Q

What is dystolic pressure

A

Least pressure from ventricles

42
Q

What is the ratio of blood pressure

A

Systolic over diastolic pressure

43
Q

What is the average blood pressure

A

120/80

44
Q

What is the average stroke volume

A

70mL/beat

45
Q

Hypertention

A

High blood pressure

46
Q

What position increases blood pressure

A

Laying down

Unit 1 The Body (12 decks)

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