A young woman employed as a dental laboratory technician complains of conjunctivitis, skin irritation, and hair loss. On examination, she has perforation of the nasal septum and a 'milk and roses' complexion. These signs and symptoms are most likely to be due to

A young woman employed as a dental laboratory technician complains of conjunctivitis, skin irritation, and hair loss. On examination, she has perforation of the nasal septum and a 'milk and roses' complexion. These signs and symptoms are most likely to be due to

Which of the following is a polysaccharide used for active immunization in patients with chronic cardiorespiratory ailments?

An important therapeutic or toxic effect of loop diuretics is

Chemoprophylaxis for travelers to geographic regions where chloroquine-resistant P falciparum is endemic is best provided by

A 55-year-old executive has cardiomyopathy and congestive heart failure. He is being treated with diuretics. The mechanism of action of furosemide is best described as