EXAM 2 Medical Micro Gram Positive

Question 1

most common bacterial infection in US

Answer 1

chlamydia

Question 2

3 ways we can classify bacteria (useful nomenclature)

Answer 2

1. gram stain
2. shape and configuration
3. metabolic growth requirements

Question 3

type of bacteria that NEEDS OXYGEN

Answer 3

Aerobe

Question 4

type of bacteria that DOESN’T NEED OXYGEN

Answer 4

anaerobe

Question 5

bacteria that CAN’T SURVIVE WITHOUT OXYGEN

Answer 5

obligate aerobe

Question 6

bacteria that CAN’T SURVIVE IN OXYGEN

Answer 6

obligate anaerobe

Question 7

obligate/strict aerobe

Answer 7

only grow in the presence of significant oxygen, can’t survive without it

Question 8

facultative anaerobe

Answer 8

can grow in high oxygen or low oxygen content, very versatile organisms

Question 9

microaerophilic bacteria

Answer 9

can grow in low concentration of oxygen or require high concentrations of carbon dioxide

Question 10

obligate/strict anaerobes

Answer 10

grow only in conditions where there is minimal or no oxygen present

Question 11

if you suspect the pt has an aerobic organism, what do you do?

Answer 11

order a special set of cultures for anaerobic organisms

Question 12

pseudomonas aeruginosa is what type of bacteria?

Answer 12

obligate aerobe

Question 13

escherichia coli is what type of bacteria?

Answer 13

facultative anaerobes

Question 14

clostridium histolyticum is what type of bacteria?

Answer 14

aerotolerant organism

Question 15

campylobacter jejuni is what type of bacteria?

Answer 15

microaerophiles

Question 16

bacteroides fragilis is what type of bacteria?

Answer 16

obligate anaerobe

Question 17

3 types of gram positive cocci bacteria

Answer 17

1. staphylococcus
2. streptococcus
3. enterococcus

Question 18

type of gram negative cocci bacteria

Answer 18

neisseria

Question 19

6 gram positive rods

Answer 19

corynebacterium 
listeria
bacillus
clostridium
actimomyces
nocardia