Lec 6-3 - Streptococci

Question 1

streptococci are gram blank

Answer 1

positive

Question 2

strep are catalase blank unlike staph

Answer 2

negative

Question 3

strep are blank as it relates to oxygen

Answer 3

facultative anaerobes

Question 4

strep can be classified based on blank patterns

Answer 4

hemolytic

Question 5

clear complete hemolysis

Answer 5

beta

Question 6

green/partial hemolysis

Answer 6

alpha

Question 7

no hemolysis

Answer 7

gamma

Question 8

phylogenetic analysis of blank is now used to categorize strep

Answer 8

16S RNA

Question 9

alpha hemolytic gram positive strep that has 19 species like s mutans and sobrinus

Answer 9

viridians strep

Question 10

viridians strep can be differentiated from strep pneumoniae because it is

Answer 10

optochin resistant, bile resistant, cant make insulin, no capsule

Question 11

viridians strep is treated by blank

Answer 11

penicillin

Question 12

viridians also form blank in oral cavity

Answer 12

biofilms

Question 13

viridians can also lead to blank in the heart

Answer 13

strep endocarditis

Question 14

strep pneumoniae are blank hemolytic, and blank/blank sensitive

Answer 14

alpha, optochin/bile

Question 15

things that strep pneumoniae cause

Answer 15

acute otitis media, pneumonia, bacteremia, meningitis

Question 16

strep pneumoniae is a blank coccus

Answer 16

diplo

Question 17

strep pneumonia makes a polysaccharide blank

Answer 17

capsule

Question 18

blank can prevent pneumococcal disease

Answer 18

breast feeding

Question 19

pneumovax and prevnar are blank for pneumonia but only cover this many strains

Answer 19

vaccine, 1/4 or 1/3

Question 20

group A strep is aka blank

Answer 20

strep pyogenes

Question 21

strep pyogenes is blank hemolytic, gram blank, and grow in blank

Answer 21

beta, positive, chains

Question 22

strep pyogenes causes these infections

Answer 22

strep throat, scarlet fever, impetigo, cellulitis

Question 23

strep pyogenes causes these invasive infections

Answer 23

bacteremia, toxic shock, necrotizing fasciitis

Question 24

post infectious sequelae of strep pyogenes

Answer 24

rheumatic fever, glomerulonephritis

Question 25

there are many strep blank factors

Answer 25

virulence

Question 26

virulence factor that has 100 M types and involved in mucosal infection but is less important during bacteriemia/sepsis…. anti phagocytic and adherence

Answer 26

M protein

Question 27

one of the most important virulence factors that causes toxic shock and scarlet fever

Answer 27

pyrogenic exotoxins

Question 28

group b strep is aka blank

Answer 28

strep agalactiae

Question 29

strep agalactiae is normal in blank and blank

Answer 29

intestinal/genital tracts

Question 30

strep agalactiae is diagnosed by secreting blank and causes blank in presence of staph aureus

Answer 30

cAMP, beta hemolysis

Question 31

group d strep is now called blank

Answer 31

enterococcus

Question 32

enterococcus are blank in the human gut

Answer 32

commensals

Question 33

enterococcus are blank hemolytic and diplococcus

Answer 33

gamma

Question 34

enterococcus are blank resistant to antibiotics

Answer 34

intrinsically

Question 35

enterococcus survive in blank conditions

Answer 35

harsh