Chapter 13

Question 1

What are resident microbiotas?

Answer 1

Micrboes that engage in a mutual or commensal relationship with humans

Question 2

Where are resident microbiota found?

Answer 2

Skin, upper respiratory tract, GI tract, opening of urethra, external genitals, ear and ear cannal, and eye

Question 3

What are the most common residents (micro) of the mouth?

Answer 3

Streptoccus species

Question 4

What are exoenymes?

Answer 4

Enzymes that are secreted outside of the cell in order to break down macromolecules that can’t enter a cell

Question 5

Define hyaluronidase

Answer 5

Enzyme that digest hyaluronic acid that holds animal cells together

Question 6

Define coagulase

Answer 6

Enzyme that clots blood that is produced by staphylococci

Question 7

What are exotoxins?

Answer 7

Toxin, which is ussaly a protein, that is SECRETED to act on a specific target

Question 8

Define characteristics of exotoxins

Answer 8

Secreted in smaller amounts, protein based, specific impacts, and secreted from a LIVE cell

Question 9

What are endotoxins?

Answer 9

LPS of cell walls that are relased when a cell is LYSED

Question 10

Define characteristics of endotoxins

Answer 10

LPS, less specific/more systematic, causes fever and shock, and requires more to be toxic.

Question 11

Ingestion of toxins?

Answer 11

Intoxication

Question 12

Release of toxins causes disease?

Answer 12

toxinosis

Question 13

Toxin infecition of the blood?

Answer 13

toxemias

Question 14

Fever, lesions, antibodies, and abnormal chest sounds are all what?

Answer 14

Signs of infection

Question 15

What is a fomite?

Answer 15

Non-living object that has pathnogenic bacteria on it