Urgent Review - Exam 3 Flashcards
Symptoms of Rocky Mountain Spotted fever
- Severe myalgia
- high fever
- rash (including palms and soles)
- headache
- cough
- confusion, ataxia
_____ causes bronchopneumonia
Chlamydophila pneumoniae
_____ causes tracheobronchitis
Mycoplasma pneumoniae
PCR used to diagnose:
- B. pertussis
- Chlamydia trachomatis
- Mycoplasma
Legionella pneumophila best seen with:
Silver stains
____ affects unvaccinated/incompletely vaccinated children
H. influenzae b
____ produces beta lactamase
Legionella pneumophila
_____ is linked to arteriosclerosis
Chlamydophila pneumoniae
Pasteurella multocida often causes:
Cellulitis
Diphtheria can lead to damage of:
Nerve, heart, kidney
Prescription anti-inflammatory medications
- leukotriene receptor antagonists (Singulair)
- epinephrine or bronchodilators (primatene mist)
- cromolyn sodium
- asthma inhaler
eosinophils, basophils, mast cells found in:
skin, respiratory, GI tract
Contact hypersensitivity (type I) examples
- latex gloves
- dental dam
- condoms
Type I hypersensitivity - ingestion
Antibiotics (penicillin)
Immediate mediators T1H
- histamines
- eosinophil chemotactic factor
H4R
mediates chemotaxis and inflammation
OTC antihistamin
diphenhydramine, competes for H1R
Prescription anti inflammatory mediciation
- leukotriene receptor antagonists - singulair
- epinephrine/bronchodilators (primatene mist)
- cromolyn sodium
- asthma inhaler
Rheumatic fever antibody response to
Protein M - cross react with cardiac antigens (molecular mimicry)
Sympathetic ophthalmia
- form of uveitis
- penetrating injury to eye releases sequestered antigens
drug induced hemolytic anemia
antibodies destroy rbc in presence of drug
grave’s disease
- TSI against TSH receptor
- most common cause of hyper thyroidism in the US
- exophthalmos
Hashimoto’s disease
- most common cause of hypothyroidism
- weight gain
Goodpasture syndrom
- autoimmune against type IV collagen
Pernicious anemia
- antibodies against gastric intrinsic factor
- macrocytic/megaloblastic anemia
- glossitis - inflammation and depapillated tongue
Myasthenia gravis
- antibodies against nicotinic Ach receptors
- neuromuscular disease
- ptosis
dysphagia - hanging jaw
Sjogren syndrome
- dry mouth, dry eyes
- pilocarpine used
Linear IgA
- type II even though it is IgA
- IgA in basement membrane zone
Linear IgA bullous dermatosis
- cutaneous presentation
EBA
Ig against type 7 collagen
Pemphigus
- auto Ab IgG against desmoglein
____ against desmoglein 3
pemphigus vulgaris
____ against desmoglein 1
pemphigus foliaceus
pemphigoid antibodies against
BP-1
___ can have bullous or cicatricial presentation
Pemphigoid
CIcatricial pemphigoid can cause
Desquamative gingivitis
Bullous pemphigoid causes
Skin lesions
Type III hypersensitivity diseases
- lupus
- rheumatoid arthritis
- arthus reaction
- serum sickness
Lupus antibodies
- anti-snRNP
- Anti-smith
-Anti-smDNA
Lupus clinical presentation
- malar rash
- oral ulcers
Lupus complication
non-infectious endocarditis
membranous glomerulonephritis
wire loop
Rheumatoid arthritis antibody against
RF autoantibody against IgG Fc portion
____ causes granulation at synovial lining (pannus) and ankylosis
Rheumatoid arthritis
Type IV hypersensitivity is also known as
delayed type hypersensitivity
Type IV H is mainly what response
Th1 (t cell mediated)
Type IV happens after
48-72 hours
Type IV contact hypersensitivity
- poison ivy, poison oak
- hair dyes
- latex protein
- nickel
____ test is classic DTH
PPD
Sex-specific predisposition
- age associated B cells
- CD11c surface marker
- T-bet transcription factor
- TLR7, TL9
AABCs increase in age with
Females
Ankylosing spondylitis happens in what ratio
1:3 (more in males!!)
HLA-B27 associated with
anklylosing spondylitis
lichen planus mediated by
CD8
lichen planus affects
basal keratinocytes
lichen planus presentation
- bilateral white lesions
- buccal mucosa (reticular lacy white lines)
- dorsal tongue
Systemic sclerosis
dysphagia
Multiple sclerosis
- T-lymphocyte cause damage
- CNS macrophages
- 32 fold increase after EBV infection
Diabetes mellitus - name the HLAs
- HLA-DR3
- HLA-DR4
- DLA-DQ*B1
Addison’s disease
- primary adrenal insufficiency, 21-hydroxylase
- hyperpigmentation of oral mucosa
lewis antigen
exocrine epithelial cells
Repression of ____ in many oral cancers
Activation of ____ results in ____ in oral cancers
DNMT 1
DNMT 3; CIMP
TSTA
tumor specific transplantation antigens
TATA
tumor associated transplantation antigens
TADA
tumor associated developmental antigens
carcioembyogenic antigen
- high serum levels in cancers (colon, oral cancers)
- predictive value 4-5x normal level
glylipican - 3 expressed in
human liver cancers and melanoma
glylipican3 is an ___ antigrn
oncofetal antigen