Ecology

Question 1

Define ecology

Answer 1

Organism-environment relationship

Question 2

How is demodex prevented ?

Answer 2

Face cleanse & exfoliation
+ avoiding oily makeup

Question 3

How is demodex treated

Answer 3

Permethrin cream
Sulfur ointment

Question 4

What disease do dermatobia hominis eggs cause?

Answer 4

Furuncular myiasis

Question 5

Give an example on a mutualism relation ship of microflora & humans?

Answer 5

E.coli provides vitamin k for nutrients

Question 6

What is the bacteria found in the gut of medicinal leeches?

Answer 6

Aeromonas (G-)

Question 7

Give an example of a pathogenic parasite & the disease it causes

Answer 7

Trypanosoma gambiense
; African sleeping sickness

Question 8

What microflora causes acne vulgaris?

Answer 8

Propionibacterium

Question 9

Most common microflora in skin?

Answer 9

Staphylococcus epidermis (CONS)

Question 10

4 microflora of skin

Answer 10

Staphylococcus epidermis (CONS)
Diphtheroids
Propionibacterium
C. albicans (fungi)

Question 11

3 microflora of conjunctiva

Answer 11

Staphylococcus epidermis
Diphtheroids
Moraxella catarrhalis

Question 12

What are diphtheroids ?

Answer 12

Corynebacterium
(Except not diphtheriae)

Question 13

3 Harmless microflora in upper RT ?

Answer 13

Diphtheroids
Lactobacilli
Micrococci

Question 14

4 opportunistic microflora found in upper RT?

Answer 14

Streptococcus
Staphylococcus
Neisseria
Corynebacterium

Question 15

Most common mouth bacteria?

Answer 15

(a-hemolytic)
streptococcus viridans

Question 16

2 Gram positive cocci microflora found in the mouth?

Answer 16

Staphylococcus & Streptococcus

Question 17

2 Gram negative cocci microflora found in the mouth?

Answer 17

Neisseria & Veillonella

Question 18

What flora can be found in the stomach?

Answer 18

Helicobacter pylori

Question 19

3 G+ cocci flora in distal urethra ?

Answer 19

Strep, Steph, Enterococcus

Question 20

G- cocci flora in distal urethra ?

Answer 20

Non-pathogenic Neisseria

Question 21

Where are diphtheroids found?

Answer 21

…..

Question 22

3 bacteria that cause urethritis ?

Answer 22

Chlamydia trachomatis
Neisseria gonorrhea
Mycoplasma

Question 23

Where are anaerobic microflora found?

Answer 23

Mouth
GIT
Vagina

Question 24

4 Bacterias that cause bacterial vaginosis ?

Answer 24

Bacteroids
Mobiluncus
Gardnerella vaginalis
(Anaerobic cocci)

Question 25

4 diseases by asymptomatic carriers

Answer 25

Diphtheria
Meningitis
Pneumonia
Whooping cough
^^ (bordetella pertussis)

Question 26

Vitamins produced by intestinal flora

Answer 26

B1,B5,B6,B7,B9,B12 & K

Question 27

3 benefits of flora?

Answer 27

Vitamins
Ags (stimulates immunity)
Antagonism

Question 28

Give an example on a bacteriocin & what bacteria produces it

Answer 28

Colicin by E.coli

Question 29

Which probiotic can you get from yogurt ?

Answer 29

Lactobacillus

Question 30

2 Nasal spray probiotics & their use

Answer 30

Strep sanguinis > otitis media
N. Lactamia > prevent meningitis

Question 31

What does FMT stand for

Answer 31

Fecal microbiota transplantation

Question 32

What does FMT treat?

Answer 32

Recurrent C. difficile
Ulcerative colitis

Question 33

What does FMT prevent

Answer 33

Listeriosis & cholera

Question 34

Give 2 examples on superinfections

Answer 34

Clostridium difficile
Candida albicans

Question 35

List 6 diseases caused by microfilms

Answer 35

Middle ear infection
Cystic fibrosis
Endocarditis
Periodontal diseases
Prostate infections
Kidney stones

(McEPPK)

Question 36

3 Clostridium bacteria & their disease found in soil

Answer 36

C. Botulinum > botulism
C. Tetani > tetanus
C. Perfringes > gas gangrene

Question 37

Give an example on a bacillus bacteria in soil & state its disease

Answer 37

Bacillus anthracis > anthrac

Question 38

Upper RT vs Mouth vs GUT flora

Answer 38

Upper RT :: corynebacterium
Mouth:: Vellonella
GUT= upper RT + Enterococcus