The mean gestation time of a litter of puppies is approximat…
The mean gestation time of a litter of puppies is approximately bell-shaped with a mean of 60 days and a standard deviation of 6 days. Using technology, what percent of gestation times are between 50 and 55 days? Round your answer to the nearest tenth of a percent. Answer: [1]%
Read DetailsA sputum sample submitted for Mycobacterium culture grew num…
A sputum sample submitted for Mycobacterium culture grew numerous orange-colored colonies that stained acid-fast after three weeks of incubation in 37° C in the dark. These characteristics are consistent with identification of this isolate as a:
Read DetailsIn the Kirby Bauer disk diffusion test, if the density of t…
In the Kirby Bauer disk diffusion test, if the density of the inoculum used to seed a plate for an antibiotic susceptibility test is less than the standard, the zone diameter will show which of the following after proper incubation?
Read DetailsA gram-negative rod was isolated from the blood of a patient…
A gram-negative rod was isolated from the blood of a patient who spent time in Southeast Asia during the Vietnam war. His clinical condition started with a pulmonary infection that progressed to bacteremia and subsequent septicemia. The organism produced the following morphology on SBA and test results: P. pseudomallei 2.png TSI: alkaline/alkaline Motility: positive Oxidase: positive Oxidative/Fermentation Glucose: oxidative utilization only The MOST probable genus of this isolate is:
Read DetailsThe colonies shown in the image below grew from the CSF take…
The colonies shown in the image below grew from the CSF taken from a 75 year old male patient who experienced nausea/vomiting, fever, severe headache and stiffness of his neck. Direct smear of the CSF is also shown below. The patient was diagnosed with bacterial meningitis. Based on the information given, which of the following would you suspect as the causative agent? Alpha mucoid(1).jpgCLSC CSF 3(1).jpg
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