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