practical Flashcards

(27 cards)

1
Q

kinyon primary stain is

A

Carbol fuschin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

flourochrome counter stain is

A

potassium permanganate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is the appearance of a positive MGIT tube

A

florescence under UA light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

1-9 AFB organisms/field on kinyoun stain is:reported as:

A

+3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Effect of room temp >85 C

A

increase reactivity giving false positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Serum that agglutinates w/ the cardiolipin reagent may be reported as: Treponoman pallidum

A

reactive or weakly reactive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Positive RPR tests should be confirmed w/:

A

FTA-
EIA
TP-PA
TPHA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

clinical gram stain quantity should be should be expressed as

A

few
modarate
many
rare

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

trichrome stain is fixed by

A

PVA

SAF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Acid fast stains are fixed with

A

SAF

formalin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fluorescent stains are fixed with:

A

formalin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Fixative used for recovery of helminth eggs:

A

formalin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Counterstain in modified acid fast stain is:

A

Methylene blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Giemsa stain would be appropriate for:

A

Trypanosoma cruzi, P. falciparum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what are the smears used for ID

A

thin smear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the color of the background of the trichrome stain

17
Q

what is the color of Cytoplasm- trophs in trichrome

18
Q

what is the color Cytoplasm cysts in trichrome stain

A

cysts = blue green, may be purple tinged.

19
Q

what is the color if Nuclei in trichrome strain

A

red, sometimes tinged with purple

20
Q

what is the color of cellular illusion in tricrome stain

A

red, sometimes tinged with purple

21
Q

Fungal elements on calcafluor will appear:

A

blue-white or green fluorescent

22
Q

Two microscopic structures associated w/ Candida albicans:

A

germ tubes

chlamydocanidia

23
Q

Fungal elements on calcafluor will appear:

A

blue white or green fluorescent

24
Q

In the Cryptococcal Antigen test for CSF, latex particles are bound to what?

A

Antibodies to the polysaccharide capsule

25
Rapid testing for influenza is usually based on which methodology?
EIA
26
Acid fast stains are typically done to find what organism?
Mycobacteria tuberculosis Norcardia spp Cryptosporidium
27
name 3 examples of Beta-Lactams
``` penicillin, amipicllin, piperacillin , cephazolin, imipenem ```