Lesson 11

Question 1

The systematic study of interrelationships that exist between organisms and their environment

Answer 1

Ecology

Question 2

The interrelationships between humans and the world around them

Answer 2

Ecology

Question 3

The interrelationships between microorganisms and the world aroung them

Answer 3

Microbial ecology

Question 4

The living together or close association of two dissimilar organisms

Answer 4

Symbiosis

Question 5

The organisms that live together in such a relationship

Answer 5

Symbionts

Question 6

Used to describe a symbiotic relationship in which neither a symbiont is affected by the relationship

Answer 6

Neutralism

Question 7

It reflects a situation in which different microorganisms occupy the same ecologic niche, but have absolutely no effect on each other

Answer 7

Neutralism

Question 8

A symbiotic relationship that is beneficial to one symbiont and no consequence

Answer 8

Commensalism

Question 9

A living organism that harbors another living organism

Answer 9

Host

Question 10

A symbiotic relationship that is beneficial ti both symbionts

Answer 10

Mutualism

Question 11

Escherichia ecoli is what symbiotic relationship

Answer 11

Mutualism

Question 12

A blood clotting factor that is essential to humans

Answer 12

Vitamin K

Question 13

A symbiotic relationship that is beneficial to one symbiont and detrimental to the other symbiont

Answer 13

Parasitism

Question 14

Parasites that do not cause disease, but take only the nutrients they need to exist

Answer 14

Smart parasites

Question 15

Parasites that kill their hosts then they must either find a new host or die

Answer 15

Dumb parasites

Question 16

Also known as normal flora

Answer 16

Indigenous microflora or microbiota

Question 17

Includes all the microbes that reside on and within that person

Answer 17

Indigenous microflora

Question 18

Does a fetus has indigenous microflora?

Answer 18

No

Question 19

It takes up temporary residence on and within humans

Answer 19

Transient microflora

Question 20

Such an overgrowth or population explosion of an organism that is usually present in low numbers

Answer 20

Superinfection

Question 21

The resident microflora of the skin consists primarily of

Answer 21

Bacteria and fungi

Question 22

The most common bacteria on the skin are

Answer 22

Staphylococcus, Corynebscterium, Propionibacterium spp

Question 23

Which part of the ear are sterile

Middle ear
Inner ear
Outer ear
Auditory canal

Answer 23

Only middle and inner ear

Question 24

The common organism in the indigenous microflora of the mouth are various species of

Answer 24

A hemolytic streptococci

Question 25

A gram negative bacillus that lives in some people's stomach and is a common cause of ulcers

Answer 25

Helicobacter Pylori

Question 26

The duodenum is what intestine

Answer 26

Small intestine

Question 27

The jejunum and ileum is what intestine

Answer 27

Large intestine

Question 28

The colon contains primarily

Answer 28

Bacteria

Question 29

The most common cause of UTI

Answer 29

E. Coli

Question 30

The part of urethra farthest from the urinary bladder

Answer 30

Distal urethra

Question 31

The most frequent causes of urethral infection

Answer 31

Chlamydia trachomatis Neisseria gonorrhoeae Mycoplasmas

Question 32

The term microbial antagonism means

Answer 32

Microbes versus microbes Microbes against microbes

Question 33

The term microbial antagonism means

Answer 33

Microbes versus microbes Microbes against microbes

Question 34

Can be thought of as organisms that are hanging around, awaiting the opportunity to cause infection

Answer 34

Opportunistic pathogens

Question 35

Bacteria and yeast that are ingested to reestablish and stabilize the microbial balance within our bodies

Answer 35

Biotherapeutic agents or probiotics

Question 36

Another name for biotherapeutic agents

Answer 36

Probiotics

Question 37

Complex and persistent communities of assorted organisms

Answer 37

Biofilms

Question 38

The bacteria grow in tiny clusters

Answer 38

Microcolonies

Question 39

Two or more microbes "team up" to produce a disease that neither could cause by itself

Answer 39

Synergism or synergistic relationship

Question 40

Diseases cause by synergism

Answer 40

Synergistic infections Polymicrobial infections Mixed infections

Question 41

Involves nitrogen-fixing bacteria, nitrifying bacteria, and denitrifying bacteria

Answer 41

Nitrogen cycle

Question 42

Also known as chemolitotroph bacteria

Answer 42

Nitrifying bacteria

Question 43

A group of bacteria convertt nitrates to atmospheric nitrogen gas (N2)

Answer 43

Denitrifying bacteria

Question 44

Infectious disease of farm animals

Answer 44

1. Prion D. 2. Viral D. 3. Bacterial D. 4. Fungal D. 5. Protozoal D.

Question 45

What infectious disease: Bovine spongiform encelopathy (BSE), scrapie

Answer 45

Prion diseases

Question 46

What infectious disease: Infectious bovine rhinotracheitis, influenza, rabies, swine pox, warts

Answer 46

Viral D.

Question 47

What infectious disease: Pneumonia, leptospirosis, mastitis, salmonellosis, tuberculosis

Answer 47

Bacterial D.

Question 48

What infectious disease: Ringworm

Answer 48

Fungal Disease

Question 49

What infectious disease: Anaplasmosis, bovine trichomoniasis, cattle tick fever, coccidiosis

Answer 49

Protozoal D.

Question 50

Any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products

Answer 50

Biotechnology

Question 51

Bacteria can be used as sources of vitamins

Answer 51

B2 -Riboflavin B7 - Biotic B9 - Folic Acid B12 - Cyanacobalamin K2

Question 52

Example of antibiotic produced by fungi

Answer 52

Penicillin and Cephalosporin

Question 53

Used in production of alcoholic beverages

Answer 53

Yeast