AUTOIMMUNITY Flashcards

(88 cards)

1
Q

Paul Ehrlich describes this phenomenon as “——” this means “fear of self-poisoning”

A

horror autotoxicus

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2
Q

Paul Ehrlich describes this phenomenon as “——” this means “fear of self-poisoning”

A

horror autotoxicus

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3
Q

A varied group of chronic illnesses that
involves almost every human organ system

A

Autoimmunity

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4
Q

Seen when demonstrable immunoglobulins
of —— display specificity for self-antigen or autoantigens that contribute to pathogenesis of a cell disorder

A

cytotoxic T cells

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5
Q

Autoimmunity begins with an abnormal interaction of
——— with autoantigens or self-antigens

A

T and B lymphocyte

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6
Q

Other causes of autoimmunity: __________________________________. These factors may alter antigens which the body perceived as non-
self-antigen

A

Bacteria, viruses (infection), drugs and
radiation (environmental exposure)

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7
Q

Ex of autoimmunity caused by bacteria

A

post streptococcal glomerulonephritis,

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8
Q

this is the clonal deletion of relevant effector cells. If ever there’s a deletion, it will lead to self-reactive lymphocytes

A

Genetic susceptibility

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9
Q

B and T cells differentiation wherein there’s what
we call processed ________________.

A

central tolerance

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10
Q

Also seem to influence the antigen recognition or non-
recognition by determining the peptides that can be
presented to the T cells

A

Major Histocompatibility Complex

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11
Q

Autoimmune disease of brain.

A

Multiple sclerosis

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12
Q

Organ specific autoimmunity.

A

Multiple sclerosis and Type 1 DM

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13
Q

Autoimmune hemolytic anemia can be cause by a drug called

A

Cephalosporin dapsone

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14
Q

These medications Acts as haptens

A

Cephalosporin dapsone

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15
Q

Autoimmune hemolytic anemia leads to the activation of

A

Complement cascade

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16
Q

This is seen most commonly in condition to secondary viral infection.

A

Paroxysmal cold hemoglobinuria

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17
Q

IgG protein reacts with RBC in colder parts
of the body producing complement
component binding

A

Paroxysmal cold hemoglobinuria

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18
Q

essential for the development of
red blood cell

A

Vitamin B12

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19
Q

A chronic disease resulting from the non-
absorption of vitamin B12

A

Pernicious anemia

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20
Q

Pernicious anemia results to the inability to secrete intrinsic factors. What is the basic abnormality of the disease?

A

Severe atrophic gastritis

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21
Q

substance secreted by stomach that will enable the body to absorb
vitamin B12.

A

Intrinsic factor

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22
Q

is most common in late
adult life

A

Pernicious anemia

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23
Q

This is the main problem why we cannot secrete the intrinsic factor. Presence of this leads to the diagnosis of pernicious anemia

A

IF-blocking antibody

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24
Q

Autoantibodies to platelets bind to many of the
major platelet membrane glycoproteins

A

IDIOPATHIC THROMBOCYTOPENIC PURPURA

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25
are the major antigens with which the platelet autoantibodies bind
Platelet GpIIb / IlIa and GPIb/IX
26
Gp IIb and IIIa in the presence of ______ will form a complex ________.
Calcium, fibrinogen
27
sticking together of platelets together with platelets
Aggregation
28
sticking of platelet in the collagen or glass surface
Platelet adhesion
29
The function of platelets that cannot be performed is aggregation, bec. there are _________________.
autoantibodies against GpIIb/IIIa
30
function is useful for platelet adhesion, adhere to the damage endothelium
Gp Ib/IX
31
Classic symptoms of IDIOPATHIC THROMBOCYTOPENIC PURPURA
petechiae, bruising and bleeding after minor trauma
32
What is seen in IDIOPATHIC THROMBOCYTOPENIC PURPURA
Thrombocytopenia
33
GOODPASTEUR SYNDROME / GOODPASTURE  Autoantibodies to certain antigens on the membrane of _________________________ are formed
kidney glomeruli and lung alveoli
34
In goodpasteur disease, The kidneys may be damage or patients may suffer from
pulmonary hemorrhage
35
What is seen in goodpasteur syndrome?
Bleeding in the lungs are seen
36
Signs and symptoms of hashimotos disease
Goiter (S&S), Hypothyroidism and Thyroid autoantibodies
37
responsible for our metabolism.
T3 and T4
38
increase number of lymphocytes in the thyroid
Hyperplasia
39
HASHIMOTO’S THYROIDITIS: The _____________ is completely replaced by the lymphocytes
Germinal Center
40
irregular and rubbery immune destruction of thyroid gland
Goiter
41
autoantibodies to thyroid stimulating hormone (TSH) receptors bind to TSH receptors on thyroid
Graves disease
42
Graves diseases causes
Graves ophthalmopathy and Graves’s dermopathy
43
one of the characteristics of grave’s disease.
Weight loss
44
causes hypothyroidism. Fat patient because the T3 & T4 are low
Myxedema
45
Graves diseases: irregular menstruation
Oligomenorrhea
46
INSULIN DEPENDENT DIABETES MELLITUS  a condition caused by autoimmune responses against the _________ in pancreas resulting in destruction of _______.  ________________ against the beta cells migrate to areas of beta cells in pancreas
beta cells, beta cells, Self-reactive cytotoxic T cells (CTLs)
47
What does autoantibodies activates in insulin dependent diabetes mellitus?
Complement cascade
48
What HLA (Human Leukocyte Antigen) is associated with IDDM?
DR3, DR4, DQ2, and DQ8
49
Other names of IDDM:
Juvenile diabetes and Type 1 Diabetes
50
MYASTHENIA GRAVIS  Occurs in the ________________ o _______________ is the site where the nerve (brain) and muscle communicates
neuromuscular junctions
51
one of the neurotransmitters
Acetylcholine
52
Acetylcholine receptors are located where?
Muscle cells
53
MYASTHENIA GRAVIS problem lies in the
acetylcholine receptors
54
MYASTHENIA GRAVIS causes
breakdown and fatigue of any muscle
55
Normal neuromuscular junction:  ________ = acetylcholine (it carries an impulse)
Color blue
56
 There’s a binding of autoantibodies in the muscle of the patient  This muscle will not be able to receive the impulse that is carried by acetylcholine because there’s an antibody binding
Myasthenia gravis
57
systemic. It can affect all organs
Organ nonspecific
58
Most prevalent autoimmune disease in developed countries
Systemic lupus Erythematous
59
The commonest autoantibody found in the serum of SLE patients is the autoantibody to _______________________
double stranded DNA (dsDNA)
60
Specific for SLE
double stranded DNA (dsDNA)
61
Very common for SLE patients
Glomerulonephritis
62
One of the most complicated effects of lupus
Glomerulonephritis
63
Immune complex deposition and subsequent complement activation leads to the tissue destruction.
SLE
64
What is reported in SLE?
Serum level of C3 and C4
65
Seen in 46-65 of SLE patients
Malar rash
66
Red or purplish and mild and scaly
Malar rash
67
a chronic systemic inflammatory disease primarily involving the joints
RHEUMATOID ARTHRITIS
68
The _______________ contains rheumatoid factor
serum and synovial fluid
69
Rheumatoid factors are synthesized with in _______________
lymphoid infiltrates
70
Type of Ig in Rheumatoid factor
IgM, IgG, IgA
71
Rheumatoid factor attacks the IgG where?
Fragment Crystallizable
72
Autoantibodies in Rheumatoid Arthritis
Rheumatoid factor
73
What HLA (Human Leukocyte Antigen) is associated with SLE?
DR3
74
HLA specific for SLE
DR3
75
What HLA (Human Leukocyte Antigen) is associated with RA?
DR4 haplotype
76
In advance cases of rheumatoid arthritis, what is seen?
joint deformities
77
Rheumatoid arthritis __________ consists of macrophages, mast cells and fibroblasts
Invasive pannus
78
Rheumatoid arthritis: ___________ contains organized lymphoid tissues (CD4+ T cell, B cells and macrophages)
Synovial fluid
79
What is seen in the differential count of synovial fluid from rheumatoid arthritis?
Increased neutrophils
80
an autoimmune disease of central nervous system
Multiple sclerosis
81
MULTIPLE SCLEROSIS (MS)  an autoimmune disease of central nervous system  Involves ___________________ o from negative selection – T cells are being deleted if they’re being self-reactive.
auto reactive T cells
82
Where is self reactive t cells present in multiple sclerosis
Periphery of the host
83
In multiple sclerosis, the T cells infiltrates may cause destruction of
Myelin sheath
84
a chronic, progressive, inflammatory disease of unknown etiology.
ANKYLOSING SPONDYLITIS (AS)
85
ANKYLOSING SPONDYLITIS (AS)  a chronic, progressive, inflammatory disease of unknown etiology.  The disease primarily affects the __________________________
sacroiliac joints, vertebral joints, and large peripheral joints
86
ANKYLOSING SPONDYLITIS Can cause some of the vertebrae in the
spine to fuse
87
Affects men more often than women
Ankylosing spondylitis
88
Most commonly affected in ankylosing spondylitis
 Sacroiliac joint  The vertebrae in your lower back  Entheses  The cartilage between your breastbone and ribs