Pseudomona Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Pseudomona and links to relevant pages within the course.
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|The colonies shown in the blood (BAP) agar (upper) and MacConkey (MAC) agar (lower) biplate are a 24 hour growth from an aerobic blood culture bottle that became positive at 12 hours after inoculation. The appearance of the colonies on MAC agar rules out the following two bacterial species:||View Page|
|Illustrated in the upper image are tiny pinpoint 24-hour colonies recovered from one of the splenic abscesses. The wide zones of beta hemolysis are better seen in the close-in view of the 36 hour culture shown in the lower image. Streptococcus anginosus ("milleri" ) can be suspected if one of the following odors is detected:||View Page|
The urine specimen should be freshly voided. Urine is an ideal medium for the proliferation of bacteria due to the large amount of urea present. These bacteria metabolize urea, producing ammonia that causes the urine pH to become more alkaline. If there is a delay before performance of the test, the sample should be refrigerated.
|Match urine color with substance that might have been responsible:||View Page|
|Which of the following organisms are gram negative:||View Page|
|On sheep blood agar Haemophilus influenzae may exhibit satellite formation around all but which of the following organisms:||View Page|
|Which of the following organisms is not an aerobic organism:||View Page|
|Which of the following organisms is most likely to be associated with gas gangrene:||View Page|