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Microbiology 3
Test Description: Microbiology, hemocult
Instructions: Answer all questions to get your test result.
1) What is the gram reaction of the organism most common to cause UTI's
A
gram positive cocci
B
gram positive bacilli
C
gram negative bacilli
D
gram negative cocci
2) Which of the following microorganisms is the smallest?
A
fungus
B
bacteria
C
parasites
D
viruses
3) What color will the gram reaction be if the acetone or alcohol is left on the bacterial specimen to long?
A
pink
B
purple
C
colorless
D
grey
4) What color is the hemolysis around a Group B Streptococcus?
A
green
B
yellow
C
clear
D
grey
5) No microbes growing around the A disk indicates _______
A
Escherichia coli
B
Streptococcus pyogenes (Group A strep)
C
Streptococcus species (Group B strep)
D
Entamoeba hystolytica
6) If the bacteria cell wall retains the safranin stain, the result will be a _______ color.
A
pink
B
purple
C
blue
D
orange
7) The second step of the gram stain and considered to be the mordant is the ______
A
crystal violet
B
decolorizer
C
iodine
D
safranin red
8) A bacillis microorganism has a _______ shape
A
round
B
spiral
C
rod
D
star
9) Microbiologist will use the _____ test to tell the difference between Staph aureus and Staph epidermidis
A
catalase
B
coagulase
C
Kirby Bauer
D
MIC
10) The food substance used to grow bacteria in the clinical laboratory is _____
A
glucose
B
fertilizer
C
nutrient agar
D
acetone
*select an answer for all questions
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