Mondy Wk 4 Rheum Flashcards

1
Q

low levels of C1 esterase inhibs is __ dx
AD cx w episodes of painless, well circumscribed painless __
usually involves face but can affect TB tree w obstruction and __ or GI tract w diarrhea
C1 esterase degrades __ to downregulate complement
inactivates K__ which inc prodxn of bradkyinin
def of C1 esterase thus has bradykinin, C3a, C5a __ to inc VD and vasc permeability
C4 will be __

angioedema is comp of __ exacerbating bradykinin accumulation
do not use in pt w __

A
hereditary angioedema
edema
Resp distress
C1 complement
kallkrein
accumulate
low

ACEI
HA

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2
Q

immune complex vasculitis w IgA/C3 deposition always indicates H__

comps of reactive arthritis include keratoderma B__ and circinate B__

HBV causes damage as antigens are presented to MHC class _ to activate CD8 t cells to destroy host lymphocytes

Dyspnea, hypoTN, tachycardia after B lactam indicates __ shock
hypoTN due to collapse of __ inc vasc permeability and leaking capillary fluid
inc bronchial wall tone/__ prodxn leads to SOB
skin sx due to __ and inc permeability
tx w __ as it stimulates A1, B1, B2 receptors

A

henoch schonlein purpura

blenorrhagica, balanitus

1

anaphylactic
PVR
mucus
VD
Epinephrine
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3
Q

use 2nd gen antihistamines like C, L in elderly pt

C1 INH def can be acquired/hereditary resulting in ___
due to elevated __
not assc w __/__
tx w admin __ concentrate

scarlet fever due to GAS w __ exotoxin
produces rash in N/A/G that spreads to rest of body
may have __ appearance and flushed cheeks w sparing of mouth

Roseola rash begins on _

A

cimetidine, loratidine

angioedema
braykinin
urticaria/pruritis
C1INH

pyrogenic
necks, axilla, groin
sandpaper

trunk

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4
Q

spleen capillaries are open ended/sinusoidal allowing for blood to enter __ cord
act as a sieve to pass through __ and ingest matter
important to destroy aged/abnormal __ and store RBC/platelets
clear circulating __ as macros present antigens to B/T cells to mount response
majority of Ig are produced by seplenic __
splenic __ antibody is important to clear encapsulated species

__ is site for complement prodxn

Type 1 interferons __/__ are released by cells in response to viral infection
these bind receptors to stop __ synthesis
such as RNase _ to degrade RNA or protein kinase _ to stop translation)
only active in presence of ds__ thus uninfected cells are normal
mechanism is P/A signaling

also inc __ expression on all cells to stimulate apoptosis

A
red pulp
macros
RBC
bacteria
B cells
opsonizing

Liver

Alpha/beta
protein
L, R
RNA
paracrine, autocrine

MHC class 1

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5
Q

Tx diptheria w Diptheria __ for passive immunization bc it is preexisting, neutralizing AA
not effective against toxin that has infected __/__ cells
then P/E to kill bacteria
then DPT __
__ is MCC of death

IFNG produced by __/__
IGRA assay tests for latent __ infection by measuring T cells exposed
measure of __ like PPD
cannot differentiate __/__ infection
look for sx and __ CXR and positive sputum smear

A
antitoxin
cardiac/neural
penicillin, erythromycin
vaccine
Cardiomyopathy
T cells, NK cells
Tb
CMI
active/latent
abnormal
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6
Q

anaphylactic rxn is type __ w multisystem edema as fluid shifts from __ to extravascular compartment
due to __/__ degranulation w release of histamine/tryptase
Tryptase is specific to __

vaso__ w hypoTN and edema
tachy__

upper aiway edema w __/__
bronchospasm and w__

urticaria, pruritis, NV and __ pain

tx w Epi, __ mx and volume resus, and adjunct therapy

A

1, intravascular
MC, basophil
mast cells

dilation
cardia

stridor, hoarseness
wheezing

ab

airway

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7
Q

IgE receptor on MC/basos binds __ portion of IgE
when multiple antibodies become cross linked, A__ results in activation of nonreceptor TK w MC/basophil __

Calcineurin is protein phosphatase that dephosphorylates __ to allow it to enter the nucleus and inc IL2 prodxn
C/T are calcineurin inhibs to dec this t cell activation

recurrent sinopulm, GI infections, lack of signaling bw CD4 and B cells is __ dx
inheritance is __
class switching occurs via _ out codin of heavy chain constant region
V__ region stays as it carries antigen specificity

A

Fc
aggregation
degranulation

NFAT
cyclosporine, tacrolimus

hyperIgM (CD40L def)
XL R
splicing
variable

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8
Q

SCID shows lymphopenia and hypo__

use __ antigen to determine if CMI fxn is present
failure to generate a response indicates A__

NADPH oxidase def presents w diffuse __ formation
can evaluate w NBT which should appear __
or DHR__ flow cytometry which should turn green in presence of __
inheritance is __

Myeloperoxidase def will have __ tests

pt w acute febrile syndrome post pen G tx for syphillis has __ rxn
caused by antibitoic lysis of __ spilling contents into blood

A

gammaglobulinemia

candida
anergy

granuloma
dark blue
dihydrorhodamine
superoxide

normal

Jarisch Herxheimer
spirochetes

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9
Q

O__ is when host proteins bind to surface of foreign cells and promote phagocytosis
occurs via __/__
as opsonins bind cell surface, they act as handle for __ to grasph and engulf

C3 is activated in all __ pathways
thus, C3b is a necessary __

IgM does not directly activate __

__rejection occurs when organ is immediately cyanotic and mottled
due to __ mediated rxn w preformed IgG (Type 2 HS)

vasc wall thickening/luminal narrowing w interstital fibrosis and parenchymal atrophy indicates __ rejection

necrotizing vasc/infiltration indicates acute __ reject

A

opsonization
IgG, C3b
phagosomes

complement
opsonin

phagocytosis

hyperacute
antibody

hyperacute

humoral

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10
Q

thymic hypoplasia can also be seen in __
must look for other sx of __ like hypoCa and heart probs

CVID is __/__ cell dysfxn w hypogammaglobulinemia
CMI is not perfect but is relatively __

Hib vaccine is conj to __ toxin or __ of N men

Type 1 HS rxn produces H, T, L, prostaglandins

polysaccharide vaccines are not __ in children less than 2 due to immature humoral antibody response

Rotavirus and Varicella virus are example of __ vaccines

nasal ulceration, sinusitis, hemoptysis and glomerulonephritis indicates __

A

SCID
Di George

B/T
unaffected

Tetanus, OMP

histamine, tryptase, leukotrienes

immunogenic

live attenuated

GPA

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