chemical microbial control

Question 1

most commonly used chemical Sterilant/No autoclaving

A.B. subtilis var globinii
B. B. Subtilis var niger

Answer 1

A.B. subtilis var globinii

Question 2

sporicidal, can kill spores in 3-10 hrs, does not corrode

A.Formaldehyde vapor and vapor phase hydroge peroxide
B.glutaraldehyde
C.Peracetic acid -

Answer 2

B.glutaraldehyde

Question 3

used to sterilize HEPA filters in BSCs

A.Formaldehyde vapor and vapor phase hydroge peroxide
B.glutaraldehyde
C.Peracetic acid -

Answer 3

A

Question 4

surface sterilization of surgical instruments, cold sterilization,effective in the presence of organic material

A.Formaldehyde vapor and vapor phase hydroge peroxide
B.glutaraldehyde
C.Peracetic acid -

Answer 4

C.peracetic