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Internal Medicine > Immune System > Flashcards

Immune System Flashcards

1
Q

What are the three groups in the immune system

A

Innate immunity
Adaptive immunity
Combo of both

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2
Q

What makes up the innate immune system

A

monocytes
neutrophils
eosinophils
basophils
mast cells
natural killer cells

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3
Q

What makes up the adaptive immune system

A

B&T cells or lymphocytes

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4
Q

What makes up the combination of both

A

Macrophages & Dendritic Cells

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5
Q

What are some hematopoietic stem cells

A

monocytes
neutrophils
eosinophils
basophils
mast cells
Erythrocytes
Thrombocytes
Lymphocytes (B&T)

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6
Q

What are some characteristics of neutrophils

A

poly-morpho-nuclear cells (3-5 lobes)
phagocytes & Granulocytes
acute inflammation/infection

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7
Q

What are the first cells to arrive at sites?

A

Neutrophils

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8
Q

What cell constitutes a major line of defense against pus- forming bacteria

A

neutrophils

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9
Q

What cells take over for neutrophils

A

monocytes & macrophages

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10
Q

What are some characteristics of monocytes

A

large, long-lived, bi-lobed
originate in bone marrow
infection & Inflammation

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11
Q

What do monocytes turn into?

A

macrophages

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12
Q

What are some characteristics of Eosinophils

A

involved in allergy & parasitic infections

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13
Q

Eosinophils take over for _____ & ________ if pathogens are too large

A

neutrophils and macrophages

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14
Q

What do esinophils release

A

histamine ( vasodilator)
heparin ( anticoagulant)
cytokines (inflammatory reactions)

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15
Q

What are some characteristics of basophils and mast cells

A

granulocytes involved in allergy response

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16
Q

What do mast cells release

A

Histamine

17
Q

basophils and mast cells ______ the blood supply

A

increase
vasodilation & recruits more phagocytes to site of infection

18
Q

What are the responsibilities of the erythrocytes and thrombocytes

A

movement and removal of antigens, antibodies, complement system
platelets- thrombosis & hemostasis

19
Q

Where do B lymphocytes mature & what do they do?

A

Bone marrow
produce antibodies

20
Q

Where so lymphocytes mature & what do they do?

A

Thymus
helper T cells
Cytotoxic T cells

21
Q

Where do are there natural killer cells

A

blood & spleen

22
Q

What do natural killer cells do

A

kill cell infected w/ virus, intracellular microbe-infected cells, and tumor cells

23
Q

What is the first step in

A

Internal Medicine (4 decks)

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