What toxic substance found in common houseplants (such as this one pictured) causes intense irritation of skin and mucous membranes?

1. Calcium oxalate
2. Lycorine
3. Oxalic acid
4. Terpene

[Left image from Dr. Bryant Allen, MD, and right image from AJ West -Wikimedia Commons]

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Which type of foreign body should be suspected in a child who is drooling and has the following x-ray?

1. Button battery
2. Coin
3. Magnet
4. Marble

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Which of the following best describes the pictured rash occurring 4 weeks after starting minocycline?

1. Anaphylaxis
2. Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS) Syndrome
3. Erythema multiforme
4. Serum sickness
5. Stevens-Johnson Syndrome (SJS)/Toxic Epidermal Necrolysis (TEN)

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What clinical presentation and medication is associated with this urinary discoloration?

1. Critical illness requiring intubation and propofol sedation
2. Cyanide toxicity requiring sodium thiosulfate
3. Iron toxicity treated with deferoxamine
4. Refractory vasoplegic shock treated with methylene blue
5. Septic shock treated with vancomycin and cefepime

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