Asepsis 💉🧪

Question 1

What does the condition of being sterile mean?

Answer 1

Complete absence if viable microbes, spores and viruses.

Question 2

What are spores and what are they made of?

Answer 2

Spores are dormant structures that are highly resistant to common sterilants.
Formed when fungi and some gram positive bacteria are exposed to unfavourable conditions. Germinate into actively growing cells when exposed to favourable conditions

Question 3

What is the definition of asepsis?

Answer 3

Refers to the complete absence of pathogenic microorganisms

Question 4

What is terminal sterilisation?

Answer 4

Where product is sealed and sterilised in final container

Question 5

Definition biocide

Answer 5

General term to describe a chemical agent that kills microorganisms and includes disinfectants, antiseptics and preservatives

Question 6

Definition of disinfectants

Answer 6

Antimicrobial agents that are applied to non living objects to destroy microorganisms that are living in the objects

Question 7

Definition antiseptic

Answer 7

Product used on skin with disinfectant properties and is non toxic and non irritant

Question 8

Definition preservative

Answer 8

Included in pharmaceutical products to prevent microbial growth and spillage

Question 9

What are the two types of disinfectants??

Answer 9

Oxidising and non oxidising

Question 10

What are the factors that affect the activity of a disinfectant?

Answer 10

Physical- Ph, temp, contact time, concentration, organic material, inorganic material

Microbial- microbial bio burden, intrinsic resistance, acquired resistance exhibited by bacteria

Phenotypic adaptation- effects of nutrient limitation/growth rate/ biofilm formation.