exam 1 pt 3 Flashcards

1
Q

what is necroptosis?

A

cell murder that is programmed
and includes inflammatory changes

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2
Q

what is necrosis

A

-cell autodigestion. autolysis that happens in result of ischemia, chemical injury or secondarily hypoxia

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3
Q

three things that happen in necrosis?

A

unregulates enzyme digestion of cell components, loss of membrane integrity and inflammatory response

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4
Q

pyknosis, karynorrhexis and karyolysis is part of?

A

necrosis

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5
Q

what are 4 necrosis types?

A

liquifactive, coagulative, caseous and fat necrosis

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6
Q

liquifactive necrosis

A

cell digested by their own enzymes
-brain abcess

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7
Q

coagulative necrosis

A

-hypoxic injury where acidosis has happened that denatures enzymes and proteins of cells

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8
Q

what is infarct

A

the area of coagulative necrosis

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9
Q

where does coagulative necrosis happen?

A

kidney, hear and adrenal glands

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10
Q

pulmonary tb and mycobacterium tb cause?

A

caseous necrosis

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11
Q

tb granumola is?

A

caseous where the inflammatory wall closes off the necrosis area

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12
Q

what is caused by pancreatic lipases?

A

fat necrosis bc free fatty acid saponify with ca

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13
Q

where does fat necrosis happen

A

breast and pancreas

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14
Q

what type of gangrene swells?

A

wet gangrene due to the lack of venous flow

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15
Q

what type of gangrene affects ONLY extremeties?

A

dry gangrene

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16
Q

what gangrene is the result of coagulative necrosis?

A

dry gangrene
-slow spread and NO bacterial infection

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17
Q

what is secondary to necrotizing bacterial infection?

A

wet gangrene

18
Q

does wet gangrene have a line of demarcation?

19
Q

wet gangrene tissue?

A

pulseless, cols, swollen and black
-rapid spread
-internal organs

20
Q

missence

A

single aa changes

21
Q

frameshift

22
Q

mrna forms?

A

template for protein synth in codons

23
Q

rrna is?

A

part of the ribosome and made in nucleus

24
Q

tRNA binds to?

A

specific aa to transfer to ribosome

25
what is marfan syndrom?
autosomal dom -connective tissue disorder affecting fibrillin 1 -parts of microfibrils are in ecm
26
ar with one copy
is a carrier but phenotypically normal -only in one generation
27
taysachs, pku, cf and sickle cell are?
ar
28
lysosomal storage disease
tay sachs
29
mental retardation, microcephaly, seizure, delay speeck, bad breath, hypopigmentation and high toxic metabolites are symptoms of?
pku
30
low protein diet for?
pku
31
affected male give carrier gene to daughters if?
x link recessive -all sons normal bc they only get y
32
xr daughters have what genotype?
carriers that are phenotypically normal but can have affected sons
33
xd affects?
both male and female and has no generational skips -50% of the f1's offspring is affected regardless of sex -no male to male transmission inly 50% daughters affected
34
fragile x syndrome is?
xd
35
deletion, translocation, inversion and robertsonian affect?
chromosomes
36
monosomy
one chromosome copy
37
polysomy
more than 2 copies
38
trisonomy 21 manifestations
intellectual disable, flat facies, epicanthal fold, low malform ears, open mouth and macroglossia, short hands, 1 and 2 toe gap
39
when do you screen for 21?
btwn trimester 1 and 2
40
what is elevated in downs?
human chrionic gonadotropin and inhibin A
41
what is low in dows?
estriol and alpha fetoprotein
42
what is seen on downs ultrasound?
nuchal translucency