Micro test 3

Question 1

Normal Microbiota

Answer 1

microbes living on or in the body “Flora”

Question 2

Transient Microbiota

Answer 2

Visitors, Must be present for days, weeks, or months

Question 3

Normal Microbiota

Answer 3

Residents, permanently colonize the host

Question 4

Symbiosis

Answer 4

The relationship between normal microbiota and the host

Question 5

Commensalism

Answer 5

one organism is benefited and the other is unaffected

Question 6

mutualism

Answer 6

both organisms benefit

Question 7

What kind of symbiosis does normal flora partake in?

Answer 7

Mutualism

Question 8

Parasitism

Answer 8

One organism is benefited at the expense of the other

Question 9

In Parasitism which organism is usually damaged?

Answer 9

The host

Question 10

Microbial Antagonism

Answer 10

competition between microbes

Question 11

E.col produces _______ that inhibit other strains of E.coli

Answer 11

Bacteriocins

Question 12

How does normal microbiota protect the host?

Answer 12

Occupying niches that the pathogen might occupy, Producing acids, producing bacteriocins

Question 13

Probiotics

Answer 13

live microbes applied to or ingested into the body to provide a beneficial effect

Question 13

Which external surfaces on the body contain normal microbiota?

Answer 13

Skin and Eye

Question 14

Which internal surfaces on the body contain normal microbiota?

Answer 14

Nose, Mouth, Intestinal Tract, Vagina, Urethra

Question 15

True or False: Tissue contains normal microbiota

Answer 15

FALSE, Tissue is sterile

Question 16

How many human cells comprise your body?

Answer 16

10,000 billion

Question 17

How many microbiota cells do you carry?

Answer 17

30,000 billion