A&P 2 L4 Flashcards

(118 cards)

0
Q

Fluid that the lymphatic vessels carry

A

Lymph

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1
Q

Mass of lymphoid tissue located along the course of a lymphatic vessel

A

Lymph node

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2
Q

Type of white blood cell that provides immunity; B cell or T cell

A

Lymphocyte

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3
Q

Composed of 3 layers: an endothelial lining, a middle layer of smooth muscle/elastic fibers & outer layer of CT
similar to veins but thinner

A

Lymphatic vessels

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4
Q

What drains lymph from the lymphatic vessels?

A

Lymphatic trunk

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5
Q

Microscopic, closed-ended tubes; forms complex networks with the blood capillaries; picks up plasma

A

Lymphatic capillaries

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6
Q

What are the 2 main collecting ducts

A

Thoracic duct & right lymphatic duct

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7
Q

Larger, longer of the 2 collecting ducts; originates in the abdomen; empties in the left subclavian vein

A

Thoracic duct

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8
Q

Originates in the right thorax; empties in the right subclavian vein

A

Right lymphatic duct

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9
Q

What happens after the lymph empties in the collecting ducts?

A

It’s now called plasma; returns to the right atrium

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10
Q

Where does the lymph from the lower body region enter

A

Thoracic duct

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11
Q

Where does the lymph from the right side of the head & neck enter

A

Right lymphatic duct

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12
Q

What moves lymph through the lymphatic system

A

Hydrostatic pressure, osmotic pressure & valves

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13
Q

Blood vessels & nerves join a lymph node through the indented region of the node

A

Hilum

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14
Q

What type of lymphatic vessels leads a node at various points on its convex surface

A

Afferent vessels

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15
Q

What type of lymphatic vessel leaves the node from the hilum

A

Efferent vessels

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16
Q

Allergy-causing agents (non-living); dust; pollen; food

A

allergens

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17
Q

Any response given by a lymphocyte to an antigen

A

Immunity

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18
Q

A particular antigen; antibiotics for staph/strep; vaccination shot

A

Specific

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19
Q

Covers a whole wide range; broad group

A

Non-specific

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20
Q

Any substance to which a lymphocyte shows a response; bacteria in body

A

Antigens

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21
Q

What are the 2 groups of antigens

A

Pathogens & allergens

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22
Q

Disease-causing agents (living organism); viruses; protozoans; bacteria; fungi

A

Pathogens

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23
Q

What attacks viruses & tumor; malignant/beign?

A

Interferon

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24
What is the primary response to prevent the injury from spreading called
Localization
25
What removes unwanted clots
Heparin
26
Chemical attraction of WBCs toward the injury site
Positive chemotaxis
27
Stoppage of bleeding
Hemostasis
28
Movement of WBCs thru vessel walls
Diapedesis
29
Removal of damaged/cells and pathogens from area is known as
Phagocytosis
30
What Maintains constant blood volume prevent edema
Lymphatic system
31
What increases metabolic rate of tissue cells (ct cells; mitosis; cell growth)
Growth factors
32
What is released when cells are damaged
Chemicals; kinins; histamines; etc
33
What are some examples of injurious agents
Pathogens; allergens; chemicals
34
When blood vessels dilate what happens next
Increased in blood flow into area
35
What happens after clotting proteins enter the area
Hemostasis
36
Fluid in tissue spaces
Edema
37
The presents and multiplication of disease-causing agents
Infection
38
Blood cell producing tissue
Hematopoietic tissue
39
Substances that the body produces
Self-substances
40
Substances that enters our body from the outside
Non-self substance
41
RBM in the fetus produces what
Undifferentiated lymphocytes
42
When a cell is undifferentiated it
Has no purpose
43
When a cell is differentiated it
Has a purpose
44
Stem cells are
Undifferentiated
45
During fetal development what produces blood cells
Fetal liver, spleen & yolk sac
46
The undifferentiated lymphocytes goes into what
The blood
47
What hormone does the thymus gland produce
Thymosin
48
Thymosin targets what cells
Thymocytes
49
Once thymocytes are differentiated they produce what
T lymphocytes or T cells
50
About 70-80% of the __ ___________ circulates the lymphocytes
T lymphocytes
51
About 20-30% of what becomes abundant in lymph nodes; thoracic duct; spleen
T lymphocytes
52
Where is the thymus gland located
Between the trachea & heart
53
About what % of the undifferentiated lymphocytes are processed in the liver
50%
54
Bone marrow derived are known as
B-lymphocytes
55
Approximately what % does b lymphocytes circulates the lymphocytes
20-30%
56
What cells act directly against antigens by producing & secreting antibodies
B cells
57
What is an example of antibodies
Gamma globulins
58
What cells synthesize and secrete lymphokines which enhance various cellular response to antigens
T cells
59
Which cell are cell mediated
T & B cells
60
What cell requires the presence of another kind of cell before they become activated
T cells
61
When someone acts the same way as you they are a
Clone
62
1st time T cell or B cell sees its particular antigen: 1st encounter with particular antigen
Primary immune response
63
Anytime after the 1st encounter; a lot of memory cells that are left; they remember that particular antigen & attack fast
Secondary immune response
64
What produces antibodies
B cells
65
What are lacteals
Specialized lymphatic capillaries located in the villi of the small intestine
66
What are the functions of lacteals
Absorb & transport lipids from the digestive system
67
Tissue fluid that has entered a lymphatic capillary is called
Lymph
68
Lymph glands are called
Nodes
69
What is the largest lymphatic organ
Spleen
70
Where are t lymphocytes produced
Thymus gland
71
Disease-causing agents are known as
Pathogens
72
Name some non-specific immunity
Species resistance, mechanical barriers, enzymatic actions, interferon, inflammation, phagocytosis
73
The resistance of a particular foreign agents is called
Specific immunity
74
A group of hormone-like peptides; produced by lymphocytes & fibroblasts are known as
Interferon
75
An artificially acquired active immunity is also known as
Vaccine
76
What reaction can either be immediate or delayed
Allergic
77
What type of drugs are given to organ transplant recipients
Immunosuppressive drugs
78
The right lymphatic duct empties into the what of the circulatory system
Right subclavian vein
79
The movement of lymph is controlled largely by
Skeletal activity
80
Structural units of lymph nodes are called
Nodules
81
Lymph nodes contain large numbers of cells called
Lymphocytes
82
Large numbers of what are responsible for the color of the "red pulp" in the spleen
RBCs
83
The body's defense mechanisms against disease-agents is called
Immunity
84
What picks up the plasma that escapes from the capillary beds
Lymphatic capillaries
85
What filters lymph
Lymph nodes
86
What area few ways to move lymph
Skeletal muscles, valves, atmospheric pressure, hydrostatic pressure, osmotic pressure
87
Where does interstitial fluid originate from
Plasma
88
What is a lobule
A space/cavity in the spleen
89
What tissue makes up the lymph nodes
Dense ct
90
Where is you spleen located
Lateral to stomach or outside the greater omentum
91
What organ is full of lymphocytes
Spleen
92
What organ can we live without in the lymphatic system
Spleen
93
Where are T cells produced
Thymus gland
94
Antibodies produced & secreted by ______ are ALL soluble globular proteins called_______
B cells; immunoglobulins
95
What can serve as an accessory cell to the T cells
Macrophages/B cells
96
Type of Specific Immunity: produces antibodies; long term immunity; gets the disease
Naturally acquired active immunity
97
Type of specific immunity: long term immunity; vaccine
Artificially acquired active immunity
98
Type of specific immunity: gamma globulins injections with ready made antibodies; short term
Artificially acquired passive immunity
99
What are haptens
Small allergens
100
What drug stops the body from rejecting the organ
Immunosuppressive drug
101
What allows females to keep an embryo attached to her uterus; prevents antibodies to attack the fetus
Selective immune response
102
Type of allergic reaction: exaggerated response
Delay
103
Type of allergic response: when exposed with allergen; has an allergic reaction right away
Immediate
104
Cells produced by allergens design to take care of specific allergens
T suppressor
105
T or B cells remember the antigen after 1st response; prevents you from getting as ill (Basically when you get sick, the specific cell comes to the site and fights the antigen off so that you don't get sick the 2nd time)
Memory cells
106
What happens after hemostasis in the immunity response
Fibrin barrier
107
Every species are immune from other species; resistance to the diseases
Species resistance
108
Membranes (cutaneous membrane=skin) keeps everything out
Mechanical barriers
109
Everyone of our body fluid contains enzymes that fight infections
Enzymatic actions
110
Chemical produced by fibroblast & lymphocyte | Viruses & tumors
Interferon
111
Neutrophil & monocytes to engulf them | Eats everything
Phagocytosis
112
What is the difference between specific & non-specific immunity
Specific- respond to a unique/particular set of cells; non-specific- responds to a wide range of cells
113
What does the spleen filter?
Blood
114
The vessels into which fats are absorbed are called
Lacteals
115
Where is the red pulp & white pulp located
Spleen
116
The red & white pulp are located where in the spleen
In the lobules
117
What is the lymph node & spleen sectioned off by
Dense CT