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22748 Microbiology

A 54-year-old diabetic patient repos to his physician’s office complaining of an unresolved skin lesion on his foot. The lesion began several weeks ago as a blister and has since become a painful, erosive, expanding sore. On examination, the affected site is now 5 cm in diameter, with a black necrotic center and raised red edges. Which of the following toxins has a mechanism of action most similar to the toxin responsible for tissue damage in this patient?

AAnthrax toxin
BBotulinum toxin
CCholera toxin
DDiphtheria toxin
Microbiology
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22752 Medicine

A patient is diagnosed with TB meningitis and is started on antituberculosis treatment. Because the facial weakness persists despite starting on ATT, the physician decides to administer high dose steroids. Within one week of introducing prednisolone, the patient develops pain radiating down the back of his right leg and difficulty dorsiflexing the right foot. This is due to

ABorrelia radiculopathy
BDiabetic mononeuritis multiplex
CIsoniazid neuropathy
DTuberculosis radiculopathy
Medicine
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