Practical Exam Review

Question 1

Staph aureus ID

Answer 1

Gram pos clusters, beta hemolysis, catalase pos, coagulase pos

Question 2

Staph epidermidis ID

Answer 2

gram pos clusters, gamma, catalase pos, coagulase neg

Question 3

Staph saprophyticus ID

Answer 3

gram pos clusters, gamma, catalase pos, coagulase neg

Question 4

Strep agalactiae ID

Answer 4

gram pos cocci, beta, catalase neg, bile and salt neg, lancefield group B

Question 5

Strep pyogenes ID

Answer 5

gram pos chains, beta, catalase neg, bile and salt and optochin neg, lancefield group A

Question 6

Strep pneumo ID

Answer 6

gram pos diplococci, alpha, catalase neg, bile and salt neg, optochin pos

Question 7

Strep viridans ID

Answer 7

gram pos cocci, alpha, catalase, bile, salt optochin neg

Question 8

E. faecalis ID

Answer 8

gram pos pairs, chains, gamma, catalase neg, bile and salt positive, optochin neg

Question 9

E. coli ID

Answer 9

gram neg rod, beta, lactose pos, oxidase neg, optochin pos

Question 10

K. pneumoniae ID

Answer 10

gram neg rod, alpha, lactose pos

Question 11

C. freundii ID

Answer 11

gram neg rod, lactose pos, H2S pos

Question 12

P. mirabilis ID

Answer 12

gram neg rod, swarm, lactose neg, H2S pos, oxidase neg

Question 13

Shigella sonnei ID

Answer 13

gram neg rod, lactose neg

Question 14

Salmonella ID

Answer 14

gram neg rod, lactose neg, H2S pos

Question 15

Pseudomonas aeruginosa ID

Answer 15

gram neg rod, lactose neg, oxidase pos

Question 16

Haemophilus influenzae ID

Answer 16

gram neg coccobacilli