Plant Toxicity Quiz

Which of the following plants contains anticholinergic alkaloids like atropine and scopolamine?

• Atropa belladonna

• Digitalis

• Amygdalin

• Aconite

What is the characteristic symptom of anticholinergic syndrome?

• Mydriasis

• Miosis

• Hypotension

• Hyperkalemia

The antidote physostigmine was historically used for which type of plant toxicity?

• Anticholinergic toxicity

• Cyanide poisoning

• Cardiac glycoside toxicity

• Opioid overdose

Cardiac glycoside plants mimic the action of which drug?

• Digoxin

• Aspirin

• Atropine

• Physostigmine

Which cardiac effect is most likely with digoxin-like plant toxicity?

• AV block

• Tachycardia

• Ventricular fibrillation

• Hypertension

Hypokalemia is a common feature in acute overdose of which plant toxin group?

• Cardiac glycosides

• Cyanogenic glycosides

• Anticholinergic plants

• Opioid-containing plants

What is the specific antidote for digoxin or cardiac glycoside toxicity?

• Digoxin Immune Fab (Digifab)

• Atropine

• Sodium nitrite

• Activated charcoal

Amygdalin, a cyanogenic glycoside, is commonly found in which food?

• Almonds

• Tomatoes

• Mushrooms

• Potatoes

What is the primary mechanism of cyanide toxicity?

• Inhibition of cytochrome oxidase in mitochondria

• Activation of muscarinic receptors

• Inhibition of dopamine uptake

• Destruction of myelin sheaths

Which antidote forms cyanocobalamin that is excreted by kidneys?

• Hydroxycobalamin

• Sodium thiosulfate

• Amyl nitrite

• Methionine