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VistheDis Final > Serology Pt. 1 > Flashcards

Serology Pt. 1 Flashcards

1
Q

The brown color of stool is from

A

stercobilin

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2
Q

Odor of stool is from

A

indole and skatole

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3
Q

clay (gray white), tan indicates

A

biliary obstruction

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4
Q

red color stool is

A

lower GI, undigested red meat, beets

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5
Q

black and tarry indicates

A

upper GI bleeding eg, ulcers

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6
Q

green color stool is

A

green leafy veggies and broad spectrum antibiotics

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7
Q

scybala stool means

A

hard small spherical masses of stool

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8
Q

ribbon like stool is

A

spastic colon or rectal narrrowing

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9
Q

pasty stool is

A

increased fats, and gallbladder disease

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10
Q

Greasy buttery stool is

A

cystic fibrosis

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11
Q

pus in stool is

A

ulcerative colitis, chronic dysentery, abscess, fistulas

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12
Q

steatorrhea is found with

A

variety disorders

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13
Q

FOBT is used for what

A

screeening for colorectal cancer in patients over 50.

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14
Q

an infected bowel presents as

A

acute diarrhea, excessive flatus, abdominal discomfort, and fever

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15
Q

IgG makes up how many immune cells

A

75%

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16
Q

IgA constitutes how many immune cells

A

15%

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17
Q

IgM is responsible for

A

ABO blood grouping and the rheumatoid factor

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18
Q

IgE mediates

A

allergies

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19
Q

IgD is

A

rarely elevated

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20
Q

B cell maturation occurs in

A

bone marrow and lymphoid tissue

21
Q

if the titer decreases this means

A

the patient is getting better

22
Q

the higher the titer the more

A

virulent the organism

23
Q

agglutination is

A

Ab+Ag= clumping

24
Q

primary syphilis starts

A

3-4 weeks after infection starts as a chancre, that will resolve

25
Q

secondary syphilis does what

A

goes systemic and has many symptoms MC rash

26
Q

Tertiary syphilis is

A

3-10 yrs post infection and has soft granulomatous lesions

27
Q

What are the lesion called in tertiary syphilis

A

gummas

28
Q

the darkfield exam is for

A

syphilis, test choice for moist genital lesions

29
Q

nontreponemal test is patients suspected of syphilis is

A

VDRL, RPR

30
Q

what are some treponemal tests

A

TPI=very specific
MHA-TP= more sensitive
FTA-Abs= MOST sensitive

31
Q

patient has a bullseye rash suspect

A

Lyme disease

32
Q

a two tiered protocol is used by CDC to determine

A

lyme disease

33
Q

What is the first test used to find Lymes

A

ELISA first, then Western blot to be more specific

34
Q

False positives of lymes disease testing is common with

A

autoimmune such as RA, mono, aids etc

35
Q

what tests measure of Gram + Step

A

ASOT- measure antibodies produced against toxins

36
Q

ASOT can help tell us if

A

strep caused the glomerulonephritis or if it was a previous condiition in the patient

37
Q

Mono is caused by

A

epstein Barr virus

38
Q

a Monospot test is for

A

MONO, heterophile Ab screening test

39
Q

when a patients serial dilutions are greater than 1:56 it means

A

mono is strongly considered

40
Q

rubella is aka

A

german measles, caused by respiratory secretions

Kills fetus in 1st trimester

41
Q

a positive ELISA test for rubella in a pregnant patient is

A

GOOD, means she has been previously exposed and has immunity

42
Q

rubella symptoms are

A

low grade fever, malaise, headache, cervical lymphadenopathy, 50% have maculopapular rash

43
Q

AIDS sympotoms are

A

night sweats, fever, lymphadenopathy, fatigue, extreme weight loss, diarrhea

44
Q

ELISA test is used in aids how many times

A

twice, if positive first, run again to double check

45
Q

what is the confirmatory test for HIV

A

western blot

IFA

46
Q

true or false:

Elisa can detect HIV early in its infection phase

A

FALSE

47
Q

Seropositive arthroids are

A

SLE, scleroderma, Jaccouds, Rheumatoid

48
Q

Seronegative arthroids are

A

AS, Psoriatic, Reiters/reactive, Enterophatic

PEAR

49
Q

seronegative are HLA B-27

A

postive

but
RF: negative
ANA:negative

VistheDis Final (4 decks)

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