Control of microorganisms

Question 1

sterilization

Answer 1

killing all living organisms including endospores

Question 2

decontaminations

Answer 2

treatment to make it safe t handle

Question 3

disinfection

Answer 3

removes all pathogens, not necessarily microorganisms

Question 4

Amount of time required to reduce viability tenfold is called?

Answer 4

decimal reduction time (D)

Question 5

decimal reduction time is inversely correlated with

Answer 5

temperature

Question 6

thermal death time

Answer 6

time needed to kill all cells at a given temperature

Question 7

what is thermal death time dependant on

Answer 7

population size

Question 8

autoclave

Answer 8

sealed device that uses steam under pressure- allows temp to get above 100 degree

Question 9

72 degrees cel for 15 seconds

Answer 9

flash pasteurization

Question 10

65 degrees fro 30 mins

Answer 10

bulk pasteurization

Question 11

bacteriolytic

Answer 11

kills microorganism by lysis

Question 12

bactericidal

Answer 12

kills microorganisms ( total cell count still same bc can only measure if dead of alive

Question 13

bacteriostatic

Answer 13

inhibits growth ( plateaus cell growth )

Question 14

most important groups of antibiotics

Answer 14

B-lactams ( include penicillio)`

Question 15

Antibiotic producers are _____

Answer 15

tolerant

Question 16

tolerant can involve

Answer 16

lacking target site, modify target site, lack uptake mechanism

Question 17

resistant refers to the

Answer 17

destruction or modification of the antibiotic