microflora and different location on body

Question 1

Where can some gram negative bacteria be found on the skin?

Answer 1

in the hair, in the presence of oil

Question 2

What microorganisms can be found on the eye?

Answer 2

1. staphylococcus epidermidis

2. found on conjunctiva from birth throughout life

Question 3

What type of microflora can be found on the external ear?

Answer 3

1. gram negative, gram positive organisms
2. halophiles (salt loving)
3. fungi

Question 4

S. mutans and lactobacillus are exampls of what type of bacteria?

Answer 4

1. oral bacteria that cause dental carries

Question 5

What must organisms in the mouth be able to withstand in order to survive?

Answer 5

1. withstand mechanical removal. (adhere to gums and teeth)

2. colonized in hours after birth

Question 6

Where are staphylococcus aureus and staphylococcus epidermidis most likely to be found?

Answer 6

1. predominant inside the nostrils

Question 7

What organisms are most likely found in the pharynx and the trachea?

Answer 7

1. Gram positive
   - staphylococci
   - micrococci
   - diptheroids
   - streptococci

Question 8

Which region of the upper respiratory tract is most likely to contain low numbers of pathogenic microbes?

Answer 8

nasopharynx

Question 9

What microbes are contained in the lower respiratory tract?

Answer 9

1. none, sterile environment

2. microbes are moved via ciliary escalator up and out to the esophagus

Question 10

What is the benefit of the stomach having such a low pH?

Answer 10

1. kills majority of the microbes present

Question 11

What are some unique characteristics of microbes that reside in the large intestine?

Answer 11

1. eliminated via peristalsis, dequamation, and mucus movement
2. rapid rate of replacement
3. mostly anaerobes present

Question 12

What exact bacteria are located in the large intestine?

Answer 12

1. E. Coli
2. bacteroides
3. fusobacterium
4. lactobacillus
5. enterococcus
6. bifidobacterium
7. enterobacter
8. citrobacter
9. proteus
10. klebsiella
11. candida

Question 13

What microbes are present in the renal system?

Answer 13

1. microbe free (sterile environment)

Question 14

What microbes are present in the female genital tract?

Answer 14

1. constant flux due to menstrual cycle

2. acid-tolerant lactobacilli

Question 15

How do lactobacilli survive in the vaginal canal?

Answer 15

1. produce hydrogen peroxide and glow on glycogen secretions present
2. positive urine leukocyte test indicates infection present UTI

Question 16

What are common microbes that will take up residence on the skin?

Answer 16

1. propionibacterium
2. staphylococcus
3. corybacterium
4. micrococcus
5. acinetobacter
6. brevibacterium
7. candida
8. malassezia

Question 17

What is unique about the skin that protects against harmful microbes?

Answer 17

1. keratin and low pH inhibit some microbes
2. low moisture
3. sweat/oil secretions have antimicrobial properties

Question 18

What microbes are commonly found on the eye, in the conjuctiva?

Answer 18

1. S. epidermidis
2. S. aureus
3. diptheroids
4. propionibacterium
5. corynebacterium
6. streptococci
7. micrococcus

Question 19

What feature help prevent multiple microbes from residing on the surface of the eye?

Answer 19

1. blinking and tear production

2. similar to skin

Question 20

What organisms are commonly found in the nose?

Answer 20

1. S. aureus
2. S. epidermidis
3. aerobic diptheroids

Question 21

What organisms are found in the throat?

Answer 21

1. S. epidermidis
2. S. aureus
3. diptheroids
4. streptococcus pneumoniae
5. Haemophilus
6. Neisseria

Question 22

What are common microbes found in the mouth?

Answer 22

1. streptococcus
2. lactobacillus
3. actinomyces
4. bacteroides
5. veillonella
6. neisseria
7. haemophilis
8. fusobacterium
9. treponema
10. staphylococcus
11. corynebacterium
12. candida

Question 23

What organisms are commonly found in the large intestine?

Answer 23

1. E. coli
2. bacteroides
3. fusobacterium
4. lactobacillus
5. enterococcus
6. bifidobacterium
7. enterobacter
8. citrobacter
9. proteus
10. klebsiella
11. candida

Question 24

What helps to flush the large amount of microbes that can be found in the large intestine, out of the body?

Answer 24

1. diarrhea

2. rapid shedding of the intestinal lining

Question 25

What organisms that are specifically found in the urethra?

Answer 25

1. staphylococcus
2. micrococcus
3. enterococcus
4. lactobacillus
5. bacteroides
6. aerobic diptheroids
7. pseudomonas
8. klebsiella
9. proteus

Question 26

What are organisms that are specifically found in the vagina?

Answer 26

1. lactobacilli
2. streptococcus
3. clostridium
4. candida albican
5. trichomonas vaginalis

Question 27

What is H. pylori commonly associated with?

Answer 27

stomach ulcers