Unit 11 Immune System Flashcards

1
Q

Resistance is the ability to avoid _____

A

Disiease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Susceptibility is the lack of _____

A

Resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Molecules (molecular effectors) in the immune system include what 4 things?

A
  1. T-cell receptors
  2. Antibodies
  3. Complement
  4. Others
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cells (Cellular effectors) in the immune system include what 4 things?

A
  1. T-cells
  2. B-cells
  3. Macrophages
  4. Other
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

External harm from ____ and ____ continuosly threaten.

A
  1. Injury

2. Infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

____ results in damaged tissues to allow disease causing agents to enter the body.

A

Injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

_____ is the presence of germs which may lead to disease.

A

Infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

____ is not the same as disease.

A

Infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Infection is the presence of ____ which may lead to disease.

A

Germs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

____ are the germs (infectious agents, pathogens)

A

Antigens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

____ prevent the entrance of AG and include what 4 things?

A

Barriers

  1. Skin
  2. Mucus Membranes
  3. Cilia
  4. Acid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

An immune response is a reaction between the _____ and _____

A

Immune system; Antigen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The immune response will ____ and _____ the AG

A

Neutralize; Destroy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

______ is a lack of IR to host cells which develops before _____

A

Immune tolerance; birth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Non-specific immunity(also called resistance) has two major characterstics:

A
  1. Functions against variety of AG

2. Roughly mediated by myeloid cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Examples of non-specific immunity include what two things?

A
  1. Barriers

2. Fever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Fever functions to ____ metabolism of IS and ____ reproduction of microorganisms

A

Increase; decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Fever is caused by setting the _________ to a higher temperature

A

Hypothalamic thermostat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Fever is mediated by _____ released in the brain

A

Prostoglandins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Prostaglandins also function to _____ pain and ______ pyrogen release from WBC

A

Increase; Increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Synthesis of prostaglandin is decreased by ____

A

Aspirin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fever is also mediated by _______

A

Endogenous pyrogens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Endogenous pyrogens are released from ____ and ____

A

Monocytes; MP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Examples of endogeous pyrogens are:

A

Interleukin 1; Other Peptides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The symptoms of inflammation are:

A
  1. Pain
  2. Redness
  3. Swelling (Edema)
  4. Heat
  5. Increased numbers of WBC
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

The function of inflammation includes the transport ____ to site and _____ of AG

A

Defenses; Destruction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The steps of inflammation are:

A
  1. Vasodilation
  2. Increase vessel permeability
  3. Prevention of clotting in site
  4. Formation of clot around site which prevents the spread of MO
  5. Movement out of vessels
  6. Phagocytosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The mediators of inflammation are:

A
  1. Vasodilators
  2. Anticoagulants
  3. Clotting factors
29
Q

Vasodilators such as ____, ____, and ____ mediate inflammation

A
  1. Histamine
  2. Kinins
  3. Complement C3a
30
Q

Phagocytes are involved in _____

A

Inflammation

31
Q

Examples of phagocytes include:

A
  1. Nutrophils
  2. Monocytes
  3. Macrophages
32
Q

Phagocytes are attracted by:

A
  1. Kinins

2. Complement C5a

33
Q

Phagocytes exit vessels by:

A
  1. Margination

2. Diapedesis

34
Q

Proteins (such as complement) act against ____

A

AG

35
Q

Specific immunity functions against _______, it is roughly mediated by _____, it is very ____

A

Specific agents, Lymphoid cells, destructive

36
Q

The primary response is the immune response after the first exposure to _____, is _____ and weak, usually sufficient to destroy the ____, and occurs in _____ tissue.

A

AG; slow; AG; Lymph

37
Q

The secondary response is an _______ and requires ______

A

Immune response; memory cells

38
Q

____ immunity produced by the IS

A

Active

39
Q

____ immunity transferred from another organism

A

Passive

40
Q

____ immunity acquired through exposure to the “wild” AG (disease)

A

Natural

41
Q

_____ immunity acquired through exposure to the AG by medical intervention

A

Artificial

42
Q

_______, the usual immunity

A

Naturally acquired active immunity

43
Q

______ by vaccines

A

Artificially acquired active immunity

44
Q

________, immunity transferred to infant across placenta

A

Naturally acquired passive immunity

45
Q

______, immunity transferred by injection

A

Artificially acquired passive immunity

46
Q

Specific immunity identifies the AG with ______and destroys or _____ the AG

A

Recognition proteins; Neutralize

47
Q

——- is one arm of the immune system

A

Cell-mediated

48
Q

Cell-mediated immunity requires ______

A

T-cells

49
Q

T-cells are a type of _________

A

Lymphocyte

50
Q

The 3 major types of T-cells are:

A
  1. Killer
  2. Helper
  3. Memory
51
Q

T-cell have ______

A

T-cell receptors

52
Q

T-cell receptors are inserted in the ______

A

Plasma membrane

53
Q

T-cell function best against AG on:

A
  1. Eukaryotic cells
  2. Parasites
  3. Tumor cells
  4. Transplants
  5. Virus-infected cells
54
Q

_______(antibody-mediated) immunity is the other arm of the immune system

A

Humoral

55
Q

Humoral immunity requires ______

A

B-cells

56
Q

B-cells are a type of _____

A

Lymphocyte

57
Q

Anitbodies are ______ proteins

A

Globular

58
Q

AB are located in the _______ fraction of blood

A

Gamma Globulin

59
Q

AB are produced by _____

A

B-cells

60
Q

AB function by two actions:

A
  1. Direct actions

2. Indirect action

61
Q

Direct action against the AG works by preventing spread of ___ and preventing attachment of ____

A

AG

62
Q

Indirect action against the AG by mediating other functions such as:

A
  1. Attracting phagocytes
  2. Increasing phagocytosis
  3. Activating complement
  4. Promoting inflammation
63
Q

AB structure has these characteristics:

A
  1. Y-shaped molecules
  2. Four polypeptides
  3. Possess AG binding sites
64
Q

Five classes of AB exist:

A
  1. IgA
  2. IgD
  3. IgE
  4. IgG
  5. IgM
65
Q

IgM has _____ binding sites

A

10

66
Q

_______, an AB against toxins (produced commercially)

A

Antitoxin

67
Q

______, serum containing AB

A

Antiserum

68
Q

______, an AB against a particular AG are present

A

Seropositive

69
Q

_______, the formation of AB against a specific AG

A

Seroconversion