ALDEHYDE FIXATIVES Flashcards

1
Q

gas produced from the oxidation of methanol

A

formalin/formaldehyde

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

buffer for formalin/formaldehyde

A

phosphate buffer to pH7

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

remedy for prolonged storage of 10% formalin

A

filtration/addition of 10% methanol

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

fixation id CNS tissues and general post mortem tissues for histochemical examination

A

10% formol saline/microanatomical fixative

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

ideal for silver imoregnation techniques

A

10% formol saline/microanatomical fixative

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

best fixative for iron containing pigment/ elastic fibers

A

10% neutral buffered formalin or phosphate buffered formalin

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

contains mercuric chloride

A

formal corrosive (formol sublimate)

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

silver reticulin methods

A

formal corosive (formol sublimate)

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

best/recommended routine fixative in histopathology

A

10% neutral buffered formalin or phosphate buffered fomalin

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

other terms for Gendre’s

A

alcoholic formalin/alcoholic bouin

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

good for glycogen microincineration techniques

A

Gendre’s/ alcoholic formalin

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

fixes sputum

A

gendre’s/alcoholic formalin/alcoholic bouin

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

acts similarly to formalin

A

glutaraldehyde

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

recommended for enzyme histochem/electron microscopy

A

glutaraldehyde

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

better preservation of cellular and fluid proteins

A

glutaraldehyde

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

more pleasant and less irritating but expensive

A

glutaraldehyde

17
Q

glutaraldehyde for

small tx fragement; large tx

18
Q

specimen of this fixative should be refrigerated and bawal mainitan

A

glutaraldehyde

19
Q

polymer of formalin in white powder form

A

paraformaldehyde

20
Q

used in thin and ultrathin section for plastic embedding; can be used for Electron Microscopy

A

Paraformaldehyde