strep. pnuemoniae and strept viridans

Question 1

what type of hemolysis do they demonstrate

Answer 1

alpha hemolysis

Question 2

how does alpha hemolysis differ from beta and gamma

Answer 2

alpha has a greenish zone around the colonies

Question 3

Sir Pneumo’s armor means the bacteria is

Answer 3

surround by a polysaccharide capsule

Question 4

Sir pneumoniae’s chin being exposed means

Answer 4

it has a sensitivity to optochin

Question 4

Double lances means

Answer 4

bacteria is a lancet-shaped diplococci on microscope

Question 5

The feet in mud means

Answer 5

strep. Pneu is bile soluble

Question 6

how is bile solubility demonstrated

Answer 6

lysis and disappearance of its colonies

Question 7

Rusty chest armor means

Answer 7

it can cause lobar pneumonia and this typically has a rust-colored sputum

Question 8

strepto pneu is the leading cause of?

MOPS

Answer 8

strepto pneu is the leading cause of meningitis, otitis media, pneumonia and sinusitis

Question 9

what is the virulance factor produced by strepto pneu

Answer 9

IgA protease

Question 10

what does IgA protease do

Answer 10

cleaves IgA antibodies leading to bacterial adherence to mucosal surfaces

Question 11

patients with what disease are more susceptible to strepto pnuemoniae

Answer 11

sickle cell disease

Question 12

besides penicillin and amcillin what other drug can be used?

Answer 12

macrolides

Question 13

3 axes flag means

Answer 13

ceftriaxone may be used to treat pneumococci

Question 14

vaccine sign means

Answer 14

PCV vaccine is recommended and the PPSV23 vaccine are suggested for at risk children and adults

Question 15

what does the green jester mean

Answer 15

viridans group streptococci

Question 16

why does the green jester lack an amor

Answer 16

they are non-encapsulated

Question 17

what does the armor around the chin mean on the jester

Answer 17

resistant to optochin

Question 18

boots on the donkey mean

Answer 18

viridans are bile- insoluable

Question 19

yellow teeth on the donkey represent

Answer 19

it is apart of the normal flora of the mouth

Question 20

which plays a part in tooth decay and dental caries

Answer 20

streptococcus mutans

Question 21

damaged mitre hat on jester means

Answer 21

common cause of infectice endocarditis in pts with mitral valve disease

Question 22

viridans utilize what

Answer 22

dextrans

Question 23

what do dextrans help with

Answer 23

allowing the bacteria to adhere to tooth enamel and fibrin-platelet aggregates