A 3-year-old girl is brought to emergency by her mother for a one-day history of bloody stool and right-lower quadrant abdominal pain. She attends a daycare center. A gram-stain of a stool specimen is shown.
The organism responsible for this patient’s condition produces a toxin with which of the following cellular effects?
Activation of adenylyl cyclase
Activation of guanylyl cyclase
Cleavage of SNARE protein
Inactivation of 60s ribosomal subunit
Inhibition of elongation factor 2
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Cut-to-the-chase Answer (0:39):
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HY USMLE Answer (6:35):