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STEM 302 > Immunity and Feedback Mechanism > Flashcards

Immunity and Feedback Mechanism Flashcards

1
Q

Defense against disease
causing substances

A

ANIMAL IMMUNITY

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2
Q

Also called immunoglobulin

A

ANTIBODY

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3
Q

Refers to any process that living things use to actively maintain fairly stable conditions necessary for survival.

A

HOMEOSTASIS

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4
Q

Counteract changes of various properties from their target values, known as set points.

A

NEGATIVE FEEDBACK LOOPS

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5
Q

Involves lymphocytes produced by the bone marrow

A

ACQUIRED IMMUNITY

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6
Q
  • Skin and mucous membrane
  • acidic pH
  • lysozyme in sweat and tears
  • Mucus
A

First line

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7
Q

It amplifies their initiating stimuli, in other words, they move the system away from its starting state.

A

POSITIVE FEEDBACK LOOPS

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8
Q

It processes information/ directs an organ/ tissue to perform a corrective mechanism

A

Control center

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9
Q

Organ/ tissue that will perform the corrective mechanism

A

Effector

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10
Q

It is the receiver of stimulus

A

Receptor

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11
Q

Non-specific response

A

INNATE IMMUNITY

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12
Q

Innate Immunity involves

A
  • Skin and mucous membrane
  • Macrophages
  • Phagocytic
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13
Q

Highly specific

A

ACQUIRED IMMUNITY

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14
Q

Developed after exposure to pathogens

A

ACQUIRED IMMUNITY

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15
Q
  • (usually by) phagocytosis
  • Inflammatory response
  • Higher blood temperature
    (fever)
A

Chemical defense

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16
Q

With the help of antibodies, body detects a foreign body
through their antigen.

A

Acquired/Adaptive Immunity

17
Q

will “attack” a specific invader previously identified

A

B cells

18
Q

Attack infected cells by:
- Phagocytosis
- Injecting perforins

A

T cells

19
Q

Major types

A

Killer T
Helper T
Suppressor T

20
Q

A protective protein produced by the immune system in response to the presence of a foreign substance, called an

A

antigen

21
Q

from the Greek words meaning - “same” and “steady“

A

Homeostasis

22
Q

MHC

A

Major histocompatibility complex

23
Q

HLA

A

Human leukocyte antigen

24
Q

includes all organs and their secretions

A

Physical barriers

25
Q

abstract to foreign

A

Physiological/Chemical

26
Q

immune cells of the body

A

Cellular Barriers

STEM 302 (7 decks)

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