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 of the following chronic exposures could produce lesions such as this on the hands, feet, and trunk?

1. Inorganic arsenic
2. Iron
3. Lead
4. Mercury

[Image from Wikimedia Commons]

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What is this pictured spider that can inflict a deadly bite?

1. Black Widow Spider (Latrodectus mactans)
2. Brown Recluse Spider (Loxosceles reclusa)
3. Redback Spider (Latrodectus hasselti)
4. Sydney Funnel Web Spider (Atrax robustus)

[Image from thebeachcomber, CC BY 4.0 https://creativecommons.org/licenses/by/4.0, via Wikimedia]

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What caustic exposure from the pictured item can lead to ocular injury?

1. Acetic Acid
2. Hydrofluoric Acid
3. Potassium Hydroxide
4. Sodium Hydroxide

[Image from Istockphoto]

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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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What is the primary toxin in the substance above?

1. Solanine
2. Myristicin
3. Lysergic acid amide
4. Phytolacca toxin

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What could cause this finding three days after ingestion of a concentrated household substance?

1. Duodenal ulcer
2. Gastric perforation
3. Necrotizing enterocolitis
4. Post-corrosive acute pancreatitis

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