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Please select the image that best represents a Gram stain of a CSF with Streptococcus pneumoniae(Required)

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The presence of white blood cells in the CSF is useful to support the diagnosis of meningitis.

The Gram reaction and morphology of the organisms in a CSF Gram stain is important for the presumptive identification of the causative organism.

Invasive pneumococcal dis-ease is typically seen in patients less than 2 or more than 50 years of age

Adults with pneumococcal meningitis have been found to have positive Gram stains in 81–93% of cases.

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Gonococcal arthritis has a marked predilection for men (4:1 ratio compared with women).

Disseminated gonococcal infection typically results from bacteremic spread of Neisseria gonorrhoeae from a genitourinary source

Gram stain of synovial fluid is very sensitive for the diagnosis of septic arthritis due to Neisseria gonorrhoeae

NAATs (nucleic acid amplification tests) are the cornerstone of Neisseria gonorrhoeae (and Chlamydia trachomatis) diagnostics

Please select the image that best represents a Gram stain of a joint fluid with Neisseria gonorrhoeae

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Gram positive bacteria are responsible for the majority of the posttraumatic endophthalmitis.

The most common species of Bacillus associated with posttraumatic endophthalmitis are B. cereus, B. subtilis, and B. licheniformis.

Bacillus ocular infections do not require antibiotic treatment as they usually resolve without treatment.

Infectious endophthalmitis always have an exogenous source.

Please select the image that best represents a Gram stain of a corneal scrap from an infected eye with Bacillus cereus.(Required)

Please answer the following questions. This quiz encompasses content from all Module 2 sections.

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Please select the image that best represents a Gram stain from a diabetic foot wound infected with Pseudomonas aeruginosa.

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Foot ulcers in diabetic patients are caused by neuropathy and peripheral arterial disease. Local injuries and impaired microvascular circulation limit the access of phagocytes, thus favoring the development of an infection.

Foot infections in persons with diabetes are only treated if the Gram stain demonstrate organisms.

Chronic and severe diabetic foot infections as well as those in patients that have received previous antibiotic treatment are more likely to be monomicrobial.