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APP Reflex test questions > Lymphatic System > Flashcards

Lymphatic System Flashcards

1
Q

Lymphatic system 3 function

A
  • Drain fluid and protein and return to blood
  • transport dietary lipids and soluble vitamins (A,D,K,E) into blood
  • carry out immune responses against microbes and abnormal cells
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2
Q

What does the lymphatic system consist of (made up off)

A

Vessels, cells, fluid, organs, tissue,

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3
Q

Lymphatic system includes

A
  • Lymph
  • Lymphatic vessels
  • Structures and organs containing lymphatic tissue
  • red bone marrow
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4
Q

Where does the lymphatic system sit

A

Btw capillaries and venules

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5
Q

What is lymphatic tissue

A

A type of connective Tissue with large number of lymphocytes

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6
Q

What is lymph

A

It is 15% of the fluid that seeps out of the capillaries , Interstitial fluid .It is clear watery fluid

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7
Q

What is lymphatic vessels

A

It carries the interstitial fluid that contains waste, plasma proteins back to the blood via the subclavian vein, throat ducts and lymphatic duct

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8
Q

How is the fluid pushed around the Lymphatic vessels

A

Same as blood
Via the skeletal muscle pump and respiratory pump

Lymphatic vessels contain valves but do not form circuits like blood vessels

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9
Q

What is oedema

A

Swelling in the tissue

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10
Q

What primary organs and structure contain lymphatic tissue

A

Red bone marrow and thymus gland

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11
Q

What secondary organ and structure contain lymphatic tissue

A

Spleen, lymph nodes and lymphatic nodules

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12
Q

Pluripotent stem cells?

A

Found in bone marrow. Stem cells that have jolted development and waiting to be told what to become RBC, WBC or platelet

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13
Q

What sort of combat do T cells carry out and are T cells

A

T cells are Wbc

They do cell to cell combat

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14
Q

Where do T cells migrate from

A

They migrate from the bone marrow to the Thymus (hence T cells) where they mature

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15
Q

Lymph nodes?

A

Concentrate around grain and axillae (armpit) mammary glands

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16
Q

What wbc do lymph nodes contain

A

Contain T & B cells + macrophages

B&T cells multiply in nodes when there is an infection

17
Q

What WBC are in the spleen

A

B, T and macrophages and RBCs

Only blood flows into the spleen not lymph fluid
WBC’s destroy pathogen and damage blood cells in spleen

18
Q

Lymphatic nodules

A

They are masses of WBC’s that line the digestive, urinary and reproductive, respiratory tract. Sites where the body is vulnerable to entry from outside world.
Tonsils are lymphatic nodules

19
Q

4 cardinal signs of inflammation

A

Redness, heat , swelling and pain

20
Q

Why are b cells called B cells

A

As they grown and mature in the bone marrow

21
Q

What the two types immunity or resistance to disease

A

Innate (non-specific) immunity &

Adaptive (specific) immunity

22
Q

What defences are innate immunity

A

Skin & mucous membranes trying to prevent entry and

WBC’s, inflammation, fever, antimicrobial substances

23
Q

What defences are adaptive immunity’s

A

Defence that involves specific recognition of a pathogen

Involves T & B cells

24
Q

WBC’s recognises foreign material by their surface molecules

A

Antigens (invaders) molecules that generate an immune response from WBC’s

25
Q

What are B& T cells together called

A

Lymphocytes

26
Q

What do B cells make when stimulated by a antigen

A

Make antibodies. B cells release guided missiles to the destroy the cells

27
Q

What is cytotoxic

A

T cells that kill

28
Q

B cells respond to antigens circulating around the body

A

T cells respond to cells whose chemistry has changed or altered

29
Q

What proteins do T cells release when attached to a pathogen

A

Perforin- it makes holes in the pathogen
Release a toxin molecule called lymphotoxin that breaks up the cells
dna

30
Q

Where do B cells stay

A

In spleen and lymphatic nodules

APP Reflex test questions (9 decks)

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