Audio Qbank – HY USMLE Q #508 – Biochemistry / Toxins

A 41-year-old woman comes to the physician for a 2-hour history of mild wheezing, headache, and facial flushing. The symptoms began after she ate swordfish, fried rice, unwashed blueberries, and a vanilla custard. Which of the following is the most likely explanation for this patient’s findings?

Decarboxylation
Germination of spores
Heat-stable toxin
Inhibition of acetylcholinesterase
Sodium channel disruption