Gram + cocci

Question 1

Diagnosing: G+ cocci–> step 1 catalase +/-

Answer 1

catalase +/-

Question 2

Diagnosing: G cocci –> catalase + —>

Answer 2

Staphyl-cocci

Question 3

Diagnosing: G cocci –> catalase negative —> group

Answer 3

Strepto-cocci

Question 4

Diagnosing: G cocci –> catalase negative–> step 3

Answer 4

hemolytic type: alpha, β, gamma

Question 5

Diagnosing: G cocci –> catalase negative –> partial green hemolysis –> step 4

Answer 5

alpha hemolytic

Question 6

Diagnosing: G cocci –> Cat neg –> complete hemolysis

Answer 6

β hemolytic

Question 7

optochin resistant/bil insol

Answer 7

alpha hemolytic strep viridans

Question 8

optochin sensitive, bil sol

Answer 8

alpha hemolytic strep pneumo

Question 9

Bacitracin positive, PYR +

Answer 9

β hemolytic: strep pyogenes

Question 10

CAMP +, PYR -

Answer 10

β hemolytic: strep agalactiea

Question 11

Gram + cocci –> cat negative–> no hemolysis

Answer 11

gamma hemolytics

Question 12

PYR+, grows in 6.5 NaCl, grows in bile

Answer 12

gamma hemolytic: enterococci

Question 13

PYR-, does NOT 6.5 NaCl, grows in bile

Answer 13

gamma hemolytic: gallolyticus