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Visceral Disorders COPY (Frontier) > Serology > Flashcards

Flashcards in Serology Deck (50)
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1

What substance is responsible for the brown color of feces?

Stercobilin

2

What is normal colonic transit time?

24-48 hours

3

What does clay colored (gray-white) or tan stools indicate?

Biliary obstruction

4

What does black and tarry stools indicate?

Upper GI bleeding like an ulcer

5

What does green stools indicate?

Either green leafy vegetables or broad spectrum antibiotics

6

Greasy/buttery stools are associated with what condition?

Cystic fibrosis

7

Megafeces is associated with what condition?

Megacolon

8

Does upper or lower GI bleeding appear as red?

LOWER

9

What is the test done for occult blood?

Guiac (FOBT)

10

Which is the most prevalent immunoglobulin (75%)?

IgG

11

Which immunoglobulin is responsible for the ABO blood grouping and Rh factor?

IgM

12

Which immunoglobulin is present primarily in respiratory and GI secretions and in saliva and tears?

IgA

13

What is the screening test used to semiquantitatively measure various proteins which are electrically separated?

Electrophoresis

14

What is the substance capable of binding to an antibody (thus providing a positive test)?

Antigens

15

What is the relationship between titer number and virulence of the organism?

DIRECT

16

What pathogen is responsible for syphilis?

Treponeum pallidium (spirochete)

17

What examination is diagnostic for syphilis in the primary stage?

Darkfield

18

What sign is indicative of primary syphilis?

Chancre (PAINLESS)

19

What is the immunologic stage of syphilis where the patient can experience malaise, fever, rash, and possible CNS involvement?

Secondary

20

What is the characteristic sign of tertiary syphilis?

Gummas (soft granulomatous lesions)

21

The Darkfield exam is specific for what pathogen?

T. Pallidium spirochete for syphilis

22

What tests makes up the nontreponemal tests?

VDRL, RPR to measure IgM and IgG antibodies (NOT specific)

23

What is the most sensitive syphilis confirmation test?

Fluorescent treponemal antibody-absorption test

24

What are the 5 D's of Charcot joints?

--Distension,
--Density,
--Debris,
--Dislocation,
--Disorganization,
--Destruction

25

What is the pathogen responsible for Lyme Disease?

Borrelia burgdorferi

26

What is the hallmark sign for lyme disease?

Circular (bulls-eye) rash

27

What is the name for the circular skin rash associated with lyme disease?

Erythema migrans

28

What is the two tiered system for CDC protocol to diagnose lyme disease?

1 sensitive ELISA test 2 if positive, then more specific Western blot test

29

What test is used for a streptococcal infection?

ASOT (antisteptolysin O titer)

30

What is the pathogen responsible for mono?

Epstein Barr virus