AOT Flashcards

1
Q

AOT is done prior to?

A

In vitro test

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

AOT is done in order to establish first?

A

How much drug will be given

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

Killing the animals in the first dose is

A

Not economical and unethical

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

If the test often is not characterized, we conduct?

A

AOT

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

What method is conducted in the laboratory and an original way to conduct AOT?

What does it employ?

A

Classical method

Probit analysis-used to determine LD50

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

OECD 420 is also known as

A

Fixed dose procedure

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

OECD 423 is also known as

A

Acute toxic class method

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

OECD 425 is also known as

A

Up and down procedure

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

It refers to the adverse effects following oral administration within 24 hours

A

AOT

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

Animal did not die or appear moribund within 48 hours but died on the 14 day observation

A

Delayed death

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

The amount of test substance administered
Weight of test/weight of animal

A

Dose

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

Aka dose spacing factor
A dose is increased if survived and decrease if died

It is recommended to be

A

Dose progression factor

3.2= antilog 0.5 or 1/2

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

GHS meaning and a joint activity of

A

Globally harmonized classification system

OECD (human health and environment)
UN committee of experts on transport of dangerous goods (physical-chemical properties)
ILO (Hazard communication)
Coordinated by interorganizational program for the sound management of chemicals

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

Moribund state or death is expected

Signs indicative of this state

A

Impending death

Convulsions
Lateral position
Recumbence
Tremor

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

Expected to cause death in 50 percent of animals

Also known as

A

LD50

Median lethal dose

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

Dose at an upper limitation on testing

A

Limit dose

17
Q

State of dying or inability to survive even when treated

A

Moribund status

18
Q

Total number of tested animals

A

Nominal sample size

19
Q

Presence of clinical signs indicative of death at a known time

A

Predictable death

20
Q

Probit is an abbreviation for the term

A

Probability integral transformation

21
Q

Permits a standard normal distribution of expected responses

A

Standard normal distribution

22
Q

A standard lethal normal distribution is?

It’s mean is also it’s?

A

Symmetric

True LD50 or median response

23
Q

Non responsive is observed at some dose and a response is observed at the next

A

Reversal

24
Q

A log normal curve describing the range of tolerances to chemical

A

Standard deviation

25
Q

Value related to the angle at which the dose response curve rises from the dose axis

A

Slope of the dose response curve

26
Q

Slope of probit analysis

A

Straight line and slope is the reciprocal of standard deviation

27
Q

Determines when a testing sequence terminates

Relies on

A

Stopping rule

Comparison of ratios

28
Q

Intervals are commonly

A

0.4-0.6

29
Q

What to do to know the effect of the year item in the organs

A

Organ in formalin —> Histopathology to see cellular damage

30
Q

Who reviews experimental researched
What do they recommend

A

IACUC(Institutional Animal Care and Use Committee)
OECD

31
Q

What method is commonly used for chemicals

A

OECD

32
Q

It is starting the dose according to the previous study

A

Sighting study

33
Q

What does limit test mean

A

At 2000 mg/kg = no death= LD50

34
Q

What method uses a lot and lesser animals

A

OECD: lesser
Classical: alot

35
Q

Aims of AOT

A

Signs of toxicity
Establish LD50
Target organ toxicity