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SHS112 > LYMPHATICS > Flashcards

LYMPHATICS Flashcards

0
Q

The lymphatic system consists of 3 parts
1
2
3

A
  1. Lymphatic vessels
  2. Lymph
  3. Lymph nodes
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1
Q

What does the lymphatic system do

A

Returns fluids that leak from the vascular system back to the blood

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2
Q

Lymphoid organs and tissues are the structural basis of ______ system

A

immune

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3
Q

Lymphoid organs and tissues include

S______, thymus, tonsils and lymphoid tissue

A

Spleen

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4
Q

_______ pressure is due to fluid pressing against a boundary

A

Hydrostatic

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5
Q

Hydrostatic pressure ‘_________’ fluid across the boundary

A

Pushes

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6
Q

______ pressure is due to non-diffusible solutes that cannot cross the boundary

A

Osmotic

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7
Q

_____ pressure “pulls” fluid across the boundary

A

Osmotic

In blood vessels it’s due to plasma proteins

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8
Q

Nutrients, waste, gases exec aged between blood and interstitial fluid, plasma proteins and fluids leak from the blood stream into the ________ space

A

interstitial

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9
Q

______] vessels return fluid (lymph) and plasma proteins to blood

A

Lymphatic

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10
Q

Why does the lymphatic system do this?

A

So that the cardiovascular system has enough blood to function

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11
Q

Lymphatic vessels is a one way system - lymph flows towards the ______

A

heart

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12
Q

_______ filaments provide structural (anchor) support so that interstitial fluid pressure doesn’t collapse lymphatic capillaries

A

Collagen

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13
Q

The walls of the lymphatic capillaries are not tightly joined - true or false?

A

True

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14
Q

L_____ are specialised lymphatic capillaries in the small intestine

A

Lacteals

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15
Q

Lymphatic capillaries drain to _______ _______ _______

A

lymphatic collecting vessels

16
Q

Vessels into trunks. Trunks into _______

A

Ducts

17
Q

Nutrients are supplied to vessels from branching v_____ v_____

A

Vasa vasorum

18
Q

Collecting vessels in the skin travel with s________ v_______

A

superficial veins

19
Q

Lymphatic _____ are formed by the union of the largest collecting vessels

A

trunks

20
Q

Lymph is delivered into one of the two large ducts
1.
2.

A 
Right lymphatic duct
Thoracic duct (arises from the cisterns chyli)
21
Q

The ________ lymphatic duct drains the collecting vessels and trunk so from the right arm and ther hit side of the head and thorax

A

Right

22
Q

The _______ duct arises from the cisterna chyli and drains the rest of the body

A

Thoracic

23
Q

Each duct empties lymph into _______ circulations at the junction of internal jugular and subclavian veins on its own side of the body

A

venous

24
Q

Lymph nodes are located along lymph ______. Lymph flows through nodes to be _______

A

Vessels

cleansed

25
Q

Lymph is propelled by what?

A

Pulsations if nearby arteries, smooth muscle contractions in the wall of lymph vessels and mini valves preventing back flow

26
Q

Does physical activity increase lymph flow

A

Yes

27
Q

What type if cells control and manage the immune response by secreting chemicals that signal other Immune cells into defense: eg. Multiplication of B cells

A

T cells

28
Q

What type of cells secrete antibodies

A

B cells

29
Q

Lymphoid tissue is mainly composed of _______ connective tissue

A

reticular

30
Q

The two main types of lymphoid tissue are

A 
Diffuse  lymphatic tissue
Lymphatic follicles  (nodules)
31
Q

You would find _________ lymphatic tissue in Larger collections in the laminar propria of mucous membranes

A

Diffuse lymphatic tissue

32
Q

Lymph ______ are embedded in connective tissue

A

nodes

33
Q

What do lymph nodes do

A

Filter lymph and are apart of the immune system

34
Q

The ____ of the lymph node contains follicles with germinal centers, heavy dividing B cells

A

cortex

35
Q

Lymph enters via _____ lymphatic vessels and travels through large sub capsular sinus and smaller sinuses

A

afferent

36
Q

Lymph exits the node via _____ vessels

A

efferent

SHS112 (16 decks)

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