Micro Lab Qs

Question 1

2 Facts about Salmonella:

Answer 1

2 Facts about Salmonella:

Produces H2S (Hydrogen Sulfide)

Ferments Glucose

Question 2

2 Facts about vibrio:

Answer 2

2 Facts about Vibrio:

Oxidase +

Ferments Glucose

Question 3

2 Facts about Clostridium difficile:

Answer 3

2 Facts about Clostridium difficile:

Anaerobe

Smells like horse barn

Question 4

2 Facts about Cryptosporidium:

Answer 4

2 Facts about Cryptosporidium:

Parasite

Acid Fast Stain +

(Spreads through fecal matter)

Question 5

2 Facts about Campylobacter:

Answer 5

2 Facts about Campylobacter:

Oxidase +

Growth at 42 degrees Celsius

Question 6

2 Facts about STEC (Shigella & E. Coli):

Answer 6

2 Facts about STEC (Shigella & E. Coli):

Does NOT ferment sorbitol

Ferments glucose

Question 7

Bacteria classified as Enterobactericae (Enterics)?

Answer 7

E. Coli
Salmonella
Shigella

Question 8

Bacteria NOT classified as Enterobacteriacae?

Answer 8

Vibrio
Campylobacter
Cryptosporidium

Question 9

If a rectal swab or whole stool sample for bacterial pathogens cannot be transported to a lab in a timely manner, what should be done with the specimen?

Answer 9

Place in transport media and refrigerate at 4 degrees Celsius.

Question 10

Haemophilus influenzae
Gram Stain?
Shape?

Answer 10

Gram Negative

Pleomorphic

Question 11

Streptococcus agalactiae

Gram Stain?
Shape?

Answer 11

Gram Positive

Cocci in pairs or chains

Question 12

Cryptococcus neoformans

NOT cryptosporidium

Answer 12

Yeast cells

Question 13

Neisseria meningitidis
Gram Stain?
Shape?

Answer 13

Gram Negative

Diplococci

Question 14

Streptococcus pneumonia
Gram Stain?
Shape?

Answer 14

Gram Positive

Cocci in pairs or chains

Question 15

E. Coli
Gram Stain?
Shape?

Answer 15

Gram Negative

Bacilli

Question 16

Listeria Monocytogenes
Gram Stain?
Shape?

Answer 16

Gram Positive

Bacilli