Lab final

Question 1

Gram + cocci clusters
Coag test +
causes wound infections

Answer 1

Staph Aureus

Question 2

growing on mac gray mucoid
growth around XV
gram - pleomorphic rods

Answer 2

hemophilis infuenza

Question 3

dry pink on mac

< 100,000 colonies

Answer 3

UTI

Question 4

A/A, + lysine(p/p), Indole +, citrate -, urea -

Answer 4

Ecoli

Question 5

orange on HE

Answer 5

normal flora

Question 6

yellow on XLD

Answer 6

normal flora

Question 7

swarming on choc and SBA due to what?

Answer 7

+ motility

Question 8

proteus swarming + indole

Answer 8

proteus vulgaris

Question 9

proteus swarming - indole

Answer 9

proteus mirabilis

Question 10

bright orange on choc. ( normal flora)
gram + rods ( picket fence)
contaminant if found in blood culture.

Answer 10

diphthroid bacilli or corynebacterium

Question 11

K/A H2S+ (red/yellow)

Answer 11

salmonella

Question 12

coffee bean shaped diplococci inside cell
gray colonies on choc. or Thayer-Martin
Dex. +, Lac. -, Mal -, Sucrose -

Answer 12

Neisseria gonorrhea

Question 13

lots of neutrophils on gram - slide

Answer 13

Neisseria gonorrhea

Question 14

a smear with gram + lancet shaped diplococci
A disc
P disc

Answer 14

Strep Pneumonia

Question 15

SBA Camp test (arrow)

Answer 15

Group B

Question 16

non-hemolytic on SBA
no growth on mac
bile esculin black

Answer 16

Enteroccocus- Group D

Question 17

A/A
citrate +
motility -
ornathine -
indole +

Answer 17

Klebsiella oxytocca

Question 18

A/A 
citrate +
motility -
ornathine -
indole -

Answer 18

klebsiella pneumonia

Question 19

first most common non-fermentor
greenish on SBA clear on Mac
oxidase + 
non glucose fermentor
42 degrees tube

Answer 19

pseudomonas

Question 20

Green metallic sheen

Answer 20

ecoli

Question 21

satellite phenomenon

Answer 21

streak of staph aureus

white dots are hemophilis

Question 22

second most isolated non-fermentor
A/A
non-motile
glucose +
maltose -

Answer 22

acinetobacter

Question 23

Motility + ( umbrella)
A/A
bile esculin + (black)
gram + rods

Answer 23

listeria

Question 24

MIO

Answer 24

motility + if cloudy

motiltiy - if you see the stab line

Question 25

Zone around the A disc sensitive to bacitracin

Answer 25

Group A beta strep

Question 26

gram + spores
rods with circles (empty spaces)
flat and hemolytic on SBA

Answer 26

bascillus

Question 27

phynelalanine + results in what bacteria

blue-green

Answer 27

providencia, proteus, morganella

Question 28

tube broth or slant blue- green on plate

Answer 28

pseudomonas

Question 29

gram - rods on Mac with black colony what should you do?

Answer 29

identify the black colony

Question 30

gram + cocci how would you differentiate staph and strep?

Answer 30

catalase test

Question 31

what turns the mannitol salt agar yellow(normally pink)

Answer 31

Staph aureus

Question 32

LIA P/P is what?

Answer 32

H2S + and Lysine +

Question 33

LIA P/Y is what?

Answer 33

H2S - and Lysine -

Question 34

HE turns from green(orginal) to orange

Answer 34

Lactose fermentor

Question 35

XLD from red(original) to yellow

Answer 35

lactose fermentor