26: Effectiveness of Hand Washing

Question 1

The only time skin is sterile is during…

Answer 1

fetal development

Question 2

Microorganisms that are more or less permanent

Answer 2

normal microbiota

Question 3

Microorganisms present only for days or weeks

Answer 3

transient microbiota

Question 4

Discovery of the importance of hand washing in preventing diseases is credited to…

Answer 4

Ignaz Semmelweis @ Vienna General Hospital (1846)

Question 5

According to guidelines provided by the CDC, “_____ is the single most important procedure for preventing health care-associated infections.”

Answer 5

Handwashing

Question 6

Layer of _____ & overlapping layer of _____ of the skin prevent handwashing from removing ALL bacteria

Answer 6

Oil, cells

Question 7

_____ helps remove oil

Answer 7

Soap

Question 8

_____ maximize the removal of bacteria

Answer 8

Scrubbing

Question 9

How long does it take to remove transient microbiota while scrubbing with soap?

Answer 9

10-15 minutes

Question 10

In this exercise only organisms capable of growing _____ on nutrient agar will be observed.

Answer 10

aerobically