Handwashing PL Quiz

Question 1

in the microbiology lab why do you cleanse your hands?

Answer 1

to protect your microbial cultures, yourself, and the community

Question 2

how do you begin a laboratory session

Answer 2

by washing your hands with soap or other detergent to remove transient microorganisms that might contaminate your cultures

Question 3

another word for temporary microorganisms

Answer 3

transient

Question 4

what is another word for long term

Answer 4

resident

Question 5

what generally inhabit hair follicles and sebaceous glads of your skin even after thoroughly washing your hands

Answer 5

resident flora

Question 6

this is any cleansing solution including soap

Answer 6

detergent

Question 7

an increased use of what to remove bacteria embedded in hats and oils has increased human life expectancy

Answer 7

detergent

Question 8

what is the process called when a soap is formed when fats are heated in the presence of a base(such as NaOH)

Answer 8

saponification

Question 9

while water can remove most dirt it is ineffective in eliminating bacteria suspended in

Answer 9

fats, hydrocarbon chains, and other water insoluble substances

Question 10

each soap molecule has what

Answer 10

a long hydrocarbon chain attached to a negatively charged carboxylate ion

Question 11

which end of the soap molecule is soluble in oils

Answer 11

hydrocarbon end

Question 12

which end of the soap molecule is soluble in water

Answer 12

carbodylate end

Question 13

what is water containing mineral salts

Answer 13

hard water