Intro to Medical Microbiology

Question 1

Where do you primarily see staph and strep?

Answer 1

Skin

Question 2

Where do you primarily see staph and strep?

Answer 2

Skin

Question 3

Where is strep normally limited to?

Answer 3

Pharynx, mouth

Question 4

What does normal flora do

Answer 4

Competes with pathogenic microorganisms

Aids digestion and produces essential vitamins (folic acid and Vit K)

Question 5

what is the presence of an organism in a culture that was not there when the sample was taken?

Answer 5

Contamination

Question 6

how do you test for bacteria in blood?

Answer 6

Do 2 draws, if both draws have the bacteria- it is probably in the blood

Question 7

WHat is : Colonization and/or invasion and multiplication of pathogenic microrganisms in the host with or without the manifestation of disease

Answer 7

infection

Question 8

how are organisms classified

Answer 8

Kingdom
Phyllum (family)
Genus
Species

Question 9

Which is smaller- viruses or bacteria?

Answer 9

virus

Question 10

What are some diseases fungi can cause?

Answer 10

Thrush
athletes foot
invasive and allergic aspergillosis

Question 11

What are some diseases fungi can cause?

Answer 11

Thrush
athletes foot
invasive and allergic aspergillosis

Question 12

Where is strep normally limited to?

Answer 12

Pharynx, mouth

Question 13

What does normal flora do

Answer 13

Competes with pathogenic microorganisms

Aids digestion and produces essential vitamins (folic acid and Vit K)

Question 14

what is the presence of an organism in a culture that was not there when the sample was taken?

Answer 14

Contamination

Question 15

how do you test for bacteria in blood?

Answer 15

Do 2 draws, if both draws have the bacteria- it is probably in the blood

Question 16

WHat is : Colonization and/or invasion and multiplication of pathogenic microrganisms in the host with or without the manifestation of disease

Answer 16

infection

Question 17

how are organisms classified

Answer 17

Kingdom
Phyllum (family)
Genus
Species

Question 18

Which is smaller- viruses or bacteria?

Answer 18

virus

Question 19

What are the two types of fungi?

Answer 19

Yeasts and mold

Question 20

What are some diseases fungi can cause?

Answer 20

Thrush
athletes foot
invasive and allergic aspergillosis

Question 21

Organism that lives on or in a host and gets its food from or at the expense of its host

Answer 21

Parasite

Question 22

What are the three morphological categories in which bacteria fall in?

Answer 22

cocci
bacilli
spirilla

Question 23

What are the most common shapes of bacteria?

Answer 23

Rod
cocci (round)
spiral

Question 24

Does gram positive or gram negative have an outer membrane?

Answer 24

Gram-negative

Question 25

Does gram positive or gram negative bacteria have more peptidoglycan?

Answer 25

Gram-positive

Question 26

Which type bacteria have teichoic acid?

Answer 26

gram positive

Question 27

what type bacteria retains the crystal violet stain and appears deep violet-blue (black)

Answer 27

gram positive

Question 28

What type bacteria have a thick lipopolysaccharide layer and little or no teichoic acid?

Answer 28

gram negative

Question 29

Thin needle shape gram negative rods are characteristic of what?

Answer 29

Flusobacterium

Question 30

Clusters of gram positive cocci is characteristic of what?

Answer 30

Staphylococcus such as S. aureus

Question 31

Chain or pairs of gram positive cocci (GPC) is usually characteristic of what?

Answer 31

Streptococcous, such as S. pneumoniae

Question 32

Thick gram positive rods is usually characteristic of what?

Answer 32

Clositridum such as C. perfringenes, C. difficile, C. tetani

Question 33

Thin gram positive rods is usually characteristic of what?

Answer 33

Listeria

Question 34

Gram negative cocci (GNC), diplococci is usually characteristic of what?

Answer 34

Neisseria such as N. meningitidis or N. gonorrhoea

Question 35

Gram negative cocci (GNC), coccobacilli usually characteristic of what?

Answer 35

Acinetobacter (can be either GP or GN)

Question 36

how do you test for beta hemolytic strep?

Answer 36

hemolysis test

Question 37

Gram negative rods (GNR) coccobacilli are usually consistent with what?

Answer 37

Haemophilus such as H. influenzae

Question 38

Curved gram negative rods is consistent with what?

Answer 38

Vibrio or Campylobacter wuch as V. cholerae, C. jejuni

Question 39

Thin needle shape gram negative rods are characteristic of what?

Answer 39

Flusobacterium

Question 40

List the gram positive bacteria of the staphylococcus species?

Answer 40

``` S. aureus (coagulase positive) Methicillin-resistant S. aureus S. epidermidis S. saprophyticus S. lugdunensis S. capitis S. haemolyticus S. schleiferi ```

Question 41

Organisms that are able to perform either aerobic respiration or anaerobic respiration depending on the oxygen content of their environment are what?

Answer 41

facultative anaerobic respiration

Question 42

Do myocbacterium readily stain?

Answer 42

No, not with ordinary dyes

Question 43

What are catalase positive bacteria?

Answer 43

Staphylococcus | micrococcus

Question 44

What are catalase negative bacteria?

Answer 44

streoptococcus | enterococcus

Question 45

what type bacteria is coagulase positive?

Answer 45

Staphylococcus aureus

Question 46

how do you test for beta hemolytic strep?

Answer 46

hemolysis test