26. the first documented patient in a disease epidemic within a population?
A. The suspect
B....
Biology, 06.04.2021 17:00 sleepqueen
26. the first documented patient in a disease epidemic within a population?
A. The suspect
B. The definitive host
C. The carrier
D. The index case
27. During the lab, the time was needed for E. Coli to show some growth after UV light exposure which indicates some DNA repair?
A. 0 second
B. 30 seconds
C. 1 minute
D. 2 minutes
28. Mannitol salt agar is classified as:
A. Enriched medium
B. Selective medium
C. Differential medium
D. A. and b.
E. B. and c.
29. Mannitol salt agar is used to identify & differentiate
A. Fungi
B. Enteric bacteria
C. Staphylococcus
D. Streptococcus
E. Gram (-) cocci
30. The Ingredient in Mannitol salt plate which makes the agar selective is?
A. Salt
B. Glucose
C. Mannitol
D. Bile acids
31. In figure 6. Which of the following organisms could it be?
A. Staphylococcus aureus
B. Streptococcus mitis
C. Staphylococcus pneumoniaβββββββββββββββββββββββββF igure 6
D. Streptococcus aureus
32. The bacitracin susceptibility test is confirmatory for?
A. Staphylococcus aureus
B. Streptococcus pyrogens
C. Streptococcus pneumoniaββββββββββββββββββββββββ
D. Staphylococcus epidermitis
33. In figure 7. What type of process is demonstrated on this plate?
A. Agglutination
B. Hemolysis
C. Fermentation
D. Susceptibility to antibiotics
34. In figure 7. Which organism can produce this type of hemolysis?βββββββββββββββββββ Figure 7
A. Streptococcus aureus
B. Staphylococcus pyogenes
C. Streptococcus pneumonia
D. Staphylococcus epidermidis
35. What is an indication of a positive catalase test?
A. The zone of inhibition
B. Hemolysis
C. Bubbles
D. Agglutination
36. In figure 8. Which of the following organisms could it be?ββββββββββββββββββββFigure 8
A. Staphylococcus aureus
B. Streptococcus mitis
C. Staphylococcus pneumoniaββββββββββββββββββββββββ
D. Streptococcus aureus
Answers: 2
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