Digitalis purpurea pharmacological forms, extracts of this plant did not frequently cause intoxication because they induced nausea and vomiting within minutes of ingestion, preventing the patient from consuming more. The main toxins in "Digitalis" spp. are the two chemically similar cardiac glycosides: digitoxin and digoxin. Like other cardiac glycosides, these toxins exert their effects by inhibiting the ATPase activity of a complex of transmembrane proteins that form the sodium potassium ATPase pump, (Na/K-ATPase). Inhibition of the Na/K-ATPase in turn causes a rise not only in intracellular Na, but also in calcium, which in turn results in increased force of myocardial muscle contractions.
We Can Do It! controlling posters promoting management authority, employee capability and company unity, and the workers would likely have understood the image to mean "Westinghouse Employees Can Do It", all working together. The upbeat image served as gentle propaganda to boost employee morale and keep production from lagging. The badge on the "We Can Do It!" worker's collar identifies her as a Westinghouse Electric plant floor employee; the pictured red, white and blue clothing was a subtle call to patriotism, one of the frequent tactics of corporate war production committees. During World War II, the "We Can Do It!" poster was not connected