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NUR 101- Unit 4 Content > Immune Defenses & Lymphoid Tissues > Flashcards

Immune Defenses & Lymphoid Tissues Flashcards

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1
Q

The body’s specific protective response to foreign agent/organism

A

Immunity

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2
Q

Immune system consist of

A

Bone marrow and lymph tissue

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3
Q

WBCs are formed in?

A

Bone Marrow, generated from stem cells

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4
Q

Examples of Lymphoid Tissues

A

Adenoids
Tonsils
Lymph Nodes
Thymus Gland
Spleen
Some tissuesIn GI Tract, Respiratory & Reproductive Systems

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5
Q

Lymphoid Tissues contain high amounts of WBCs. T or F

A

True

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6
Q

develops throughout life as body is exposed to certain microbes/pathogens/vaccines; immune response is specific to the pathogen exposed to it

A

Acquired Immune system

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7
Q

immune system/ response that sometimes makes errors and attacks self cells; involves B Cells and T cells

A

Acquired Immune System

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8
Q

type of immunity where defenses are developed by person’s own body (by vax or contracting diseases); can last lifetime

A

Active acquired immunity

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9
Q

type of immunity that is temporary & transmitted from another source ; ex; (mother/IV antibodies)

A

Passive acquired

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10
Q

Damaging reaction of the immune system against “self” antigens; immune system attacking itself

A

Auto immune diseases

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11
Q

Examples of Natural Immunity Line of Defenses

A

Skin
Mucous Membranes
Normal Microbiota
Phagocytes
Inflammation
Fever

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12
Q

Leukocytes (WBCs) divided into 2 categories

A

Granulocytes- Neutrophils, Basophils, Eosinophils

Agranulocytes-Monocyte, Lymphocyte

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13
Q

lymphocyte cells that make antibodies; turns into plasma cells & produces antibodies; involved in adaptive immunity

A

B cells

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14
Q

lymphocyte cells that mature in thymus; involved in adaptive immunity

A

T cells

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15
Q

Proteins that function as chemical messengers, allows cells to communicate

A

cytokines

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16
Q

cells that engulf and digest microbes

A

phagogcytes

17
Q

nonspecific response; immune defense system you’re born with; involves barriers that are to keep pathogens from entering the body

A

Natural/Innate Immune System

18
Q

Examples of physical/chemical barriers of natural immunity

A

Cilia
Hydrochloric Acid
Enzyme in Tears/ Saliva

19
Q

lymphoid organ that stores and filters blood; storage are for lymphocytes & macrophages

A

spleen

20
Q

Antibodies aka

A

Immunoglobins

21
Q

cells that get rid of antigens & are responsible for humoral immune response

A

B Lympchocytes/ B cells

22
Q

cells that recognize foreign material. cells must mature before they respond; produce cellular immune response

A

T lymphocytes/ T cells

23
Q

T cells do not require maturation for response. T or F

A

FALSE!!!
T cells do REQUIRE maturation before response

24
Q

T cells mature where?

A

in Thymus

25
Q

B cells mature where?

A

B cells stay in Bone Marrow for maturation

26
Q

areas through out the body that remove foreign materials from the lymph before it enters bloodstream

A

Lymph nodes

27
Q

Must numerous WBC

A

Neutrophils

28
Q

What does inflammation do?

A

Limits injury
part of Natural Immunity

29
Q

Syx of Localized infection

A

Erythema/ Redness
Warmth
Swelling/Edema
Pain/Tenderness
Pus

30
Q

Syx of Systemic Infection

A

Fever/Chills
Cold, Clammy Skin
Elevated WBC count
Decreased Urine Output
Tachycardia/Tachypnea
Change in LOC
Low BP
Englarged Lymph Nodes
Fatigue
Loss of Appetite

31
Q

Examples of Infectious Agents

A

Bacteria
Viruses
Fungi
Parasites

32
Q

3 types of Immune Responses

A

Phagocytic Response- WBCs that ingest. engulf. destroy
Humoral Response- B cells/ antibody response
Cellular Response- T cells that attack pathogens

33
Q

Stages in Immune Response

A

Recognition Stage
Proliferation stage
Response Stage
Effector Stage

34
Q

stage where WBCs coat organism w/ antibodies/ recognizes antigen as foreign

A

Recognition stage

35
Q

stage where antigen message is received and dormant B cells and T cells prepare for destruction

A

Proliferation Stage

36
Q

stage where lymphocytes function in either a humoral or cellular fashion

A

Response Stage

37
Q

stage where antigens are destroyed by antibodies or killer T cells

A

Effector Stage

NUR 101- Unit 4 Content (19 decks)

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