SESIÓN 05 FLORA MICROBIANA COMENSAL Y PATÓGENA EN EL SER HUMANO. ESTERILIZACIÓN, DESINFECCIÓN Y ANTISEPSIA.

Question 1

What are the 3 outcomes when an individual is exposed to an organism?

Answer 1

1. transient colonization of the person
2. Permanent colonization
3. Produce disease

Question 2

What are the most common anaerobic bacteria that colonize the upper respiratory tract?

Answer 2

• Peptostreptococcus and related cocci, veillonella, actinomyces, and fusobacterium spp.

Question 3

What are the most common aerobic bacteria that colonize the upper respiratory tract?

Answer 3

• Streptococcus, Haemophilus, and Neisseria spp.

Question 4

What are the most common organisms colonizing the ear?

Answer 4

• coagulase negative Staphylococcus

Question 5

What are the most common organisms colonizing the eye surface?

Answer 5

• coagulase negative Staphylococcus

Question 6

What are the most common organisms colonizing the lower respiratory tract?

Answer 6

• the larynx, trachea, bronchioles and lower airways are generally sterile.

Question 7

What is antisepsis?

Answer 7

• Use of chemical agents on skin or other living tissue to inhibit or eliminate microbes; no sporicidal action is implied.

Question 8

What is disinfection?

Answer 8

• Use of physical procedures or chemical agents to destroy most microbial forms; bacterial spores and other relatively resistan organisms may remain viable.

Question 9

What is sterilization?

Answer 9

• Use of physical procedures or chemical agents to destroy all microbial forms, including bacterial sprores.