West Los Angeles College » Microbiology » Microbiology 020 - General Microbiology » Fall 2021 » Effectiveness of Antiseptics Disinfectants Lab

Question #1

What is the name of this method to measure the effectiveness of antiseptics?

A. Disc Diffusion Method

B. Disc Direction Method

Question #2

What are antiseptics?

A. Chemical solutions that kill microorganism on the body

B. Chemical solutions that kill microorganisms on a non-living surface.

Question #3

What are disinfectants?

A. Chemical solutions that kill microorganisms on a non-living surface.

B. Chemical solutions that kill microorganism on the body

Question #4

Name one of the antiseptics used in the video:

A. Iodine (8%)

B. Iodine (3%)

Question #5

Name one of the disinfectants used in the video:

A. chlorine bleach (1%)

B. chlorine bleach (5%)

Question #6

What is the medium used in the video for growing the bacterial cultures?

A. Trypticase Soy Broth (TSH)

B. E. coli

Question #7

The more effective an antiseptic is, the Zone of Inhibition will be ______ :

A. larger

B. smaller

Question #8

At the end of the video, the most effective antiseptic against E. coli is:

A. Iodine (5%)

B. Iodine (3%)