Sterile products

  • Created by: SamDavies
  • Created on: 26-04-19 20:09
What is the process that kills or removes all types of viable microorganisms including bacterial spores?
Sterilisation
1 of 21
What is the process that reduces the number of viable vegetative microorganisms but does not necessarily kill spores?
Disinfection
2 of 21
What is the prevention of infection by applying antimicrobial agents to tissues? This is less toxic but less effective than other methods
Antisepsis
3 of 21
What is one cell capable of division to form a visible colony on solid nutrient medium or visible turbidity in liquid medium?
Viable cell
4 of 21
What is a cell that is not capable of of division to form a visible colony on solid nutrient medium or visible turbidity in liquid medium?
Dead cell
5 of 21
What is a expression of the number of viable organisms a batch contains?
Bioburden
6 of 21
What is a homogenous collection of sealed packages or containers, prepared in such a manner that the risk of contamination is the same for all items?
Batch
7 of 21
What are substances that when administered to humans or animals results in an increase in temperature?
Pyrogen
8 of 21
What are high MW lipo-polysaccharides which are water-soluble, heat-stable, can pass through bacteria-proof filters and can be inactivated with dry heat at high temperatures (170-350 degrees)?
Endotoxin
9 of 21
Single-dose containers contain bactericides. True or false?
False
10 of 21
What type of closure is used for glass ampoules?
Fusion
11 of 21
Air in a clean room must have a positive pressure (higher inside than outside). True or false?
True
12 of 21
How is aerial contamination measured?
Both
13 of 21
A constant number of viable cells is killed during sterilisation per unit time. True or false?
False
14 of 21
What name is given to the the time taken (or dose required) to reduce the number of viable organisms by 90% (1 log value)?
D value
15 of 21
What name is given to the reduction in the number of viable organisms produced by the sterilisation process?
Inactivation factor (IF)
16 of 21
IF = 10^t/D. True or false?
True
17 of 21
What is the preferred method of sterilisation which uses high temperatures but only for a short time as it has a greater heat content than water or air at the same temp?
Steam sterilisation
18 of 21
What is the name given to the heat required to raise the temperature of water to its boiling point?
Sensible heat
19 of 21
What is the name given to additional heat which is absorbed when boiling water is converted to steam at the same temperature?
Latent heat
20 of 21
Which sterilisation method can use gamma rays (highly penetrating) or beta radiation (high speed electrons but poor penetration) where the minimum absorbed dose is 25 kGy? Very short treatment time (few seconds)
Ionising radiation sterilisation
21 of 21

Other cards in this set

Card 2

Front

What is the process that reduces the number of viable vegetative microorganisms but does not necessarily kill spores?

Back

Disinfection

Card 3

Front

What is the prevention of infection by applying antimicrobial agents to tissues? This is less toxic but less effective than other methods

Back

Preview of the front of card 3

Card 4

Front

What is one cell capable of division to form a visible colony on solid nutrient medium or visible turbidity in liquid medium?

Back

Preview of the front of card 4

Card 5

Front

What is a cell that is not capable of of division to form a visible colony on solid nutrient medium or visible turbidity in liquid medium?

Back

Preview of the front of card 5
View more cards

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