Aerobic gram positive bacteria

Question 1

Staphylococci and Micrococci

Answer 1

S. aureus
S. epidermidis
S. saprophyticus
S. lugdunensis
micrococcus

Question 2

Streptococcaceae

Answer 2

S. pyogenes (group A)
S. dysgalactiae
S. agalctiae (group B)
Group D Strep
Viridians Strep
S. pneumoniae

Question 3

Microorganisms similar to strep

Answer 3

E. faecalis
E. faecium
Gemella
Leuconostoc
abiotrophia
granulicatella

Question 4

micrococcaceae characteristics

Answer 4

clustered cocci
catalase +
facultative anaerobes
salt tolerant

Question 5

What causes nosocomial pneumonia, blood infections and endocarditis?

Answer 5

Staph aureus

Question 6

What are waste products of bacterial metabolism that cause disease?

Answer 6

Toxins

Question 7

example of toxinosis

Answer 7

toxic shock syndrome
scalded skin syndrome
food poisoning

Question 8

what are exotoxins?

Answer 8

toxins from gram positive cells secreted out of the cell

Question 9

what are endotoxins?

Answer 9

toxins from gram negative bacteria made from lipids that come from inside the cell.

Question 10

How does staph aureus hemolyze the blood agar plate

Answer 10

by hemolysins

Question 11

what test will ID Staph aureus?

Answer 11

coagulase

Question 12

what is gram positive cocci, catalase pos, coagulase neg?

Answer 12

CNS coagulase negative staph

Question 13

what enzyme destroys the penicillin molecule?

Answer 13

penicillinase

Question 14

what chemical structure is penicillin built on?

Answer 14

the beta lactam ring

Question 15

what is another name for the enzyme penicillinase?

Answer 15

beta lactamase

Question 16

what are the chemically protected penicillins not susceptible to beta lactamase?

Answer 16

methicillin, oxacillin and nafcillin

Question 17

What is MRSA

Answer 17

Methicillin resistant staph aureus

Question 18

what is the antibiotic for MRSA?

Answer 18

vancomycin

Question 19

what is VISA?

Answer 19

Vancomycin intermediate Staph aureus

Question 20

Staph aureus chemical reactions?

Answer 20

ferment mannitol
dnase positive
of dextrose positive
novobiocin sensitive

Question 21

What causes UTI in sexually active women and older men with indwelling catheters?

Answer 21

S. Saprophyticus

Question 22

S. saprophyticus chemical reactions?

Answer 22

coagulase neg
dnase neg
mannitol neg/weak
novobiocin resistant
of-dextrose positive

Question 23

What does Staph Epi cause?

Answer 23

endocarditis
bacteremia
UTI
wound infections

Question 24

Staph epidermidis chemical reactions?

Answer 24

coagulase neg
dnase neg
mannitol neg
novobiocin sensitive

Question 25

Which Micrococcaceae are pathogens in blood?

Answer 25

Micrococcus S. epi Stomatococcus mucilanginosus

Question 26

S. saprophyticus is a pathogen in ______

Answer 26

Urine

Question 27

what test separates micrococcaceae from Streptococcus?

Answer 27

Catalase

Question 28

What is a gram positive cocci in chains?

Answer 28

Streptococcus

Question 29

what gram positive coccus are catalse negative?

Answer 29

streptococcus and enterococcus

Question 30

what is partial hemolysis and turns the blood agar green or brown?

Answer 30

alpha

Question 31

what classification causes complete hemolysis?

Answer 31

Beta

Question 32

what classification has no hemolysis?

Answer 32

gamma

Question 33

what is the zone of alpha hemolysis close to the coloney surrounded by a wide zone of beta?

Answer 33

alpha prime

Question 34

what bacteria causes alpha prime hemolysis?

Answer 34

viridians

Question 35

where does group A beta hemolytic strep inhabit?

Answer 35

respiratory tract

Question 36

what species of gram + cocci is group A strep?

Answer 36

Strep pyogenes

Question 37

what is the #1 pathogen in the throat?

Answer 37

S. pyogenes

Question 38

What causes scarlet fever?

Answer 38

S. pyogenes

Question 39

what causes necrotizing fasciitis?

Answer 39

S. pyogenes

Question 40

what causes toxic strep syndrome?

Answer 40

S. pyogenes

Question 41

Which group causes pneumonia?

Answer 41

group A (pyogenes)

Question 42

what is a condition that is a consequence of a previous disease of injury?

Answer 42

sequelae

Question 43

what is inflammatory disease that can develop as a complication of inadequately treated strep throat or scarlet fever?

Answer 43

rheumatic fever

Question 44

what is post streptococcal glomerulonephritis?

Answer 44

patients make antibodies to streptococcal membranes and antibodies form immune complexes on the glomerular basement membrane

Question 45

what are the conditions that cause streptococcal sequelae?

Answer 45

glomerulonephritis | rheumatic fever