Exam 8: General Pathology of Infectious Diseases

Mycobacterium tuberculosis phagocytosed by macrophages in granulomas can be killed by endogenous nitric oxide (NO) after these macrophages become activated by T-helper cells. Which biologically active substance stimulates the formation of NO in macrophages?

Which of the following is the most common form of herpesvirus-induced eye infection?

Which of the following is a preventable cause of blindness in Africa?

Schistosoma mansoni infection causes liver changes that present histologically as

Mycobacterium avium intracellulare infection in AIDS patients typically begins in the

Which African disease is complicated by elephantiasis of the legs?

The diagnosis of malaria is best made by examining a

A 60-year-old man known to have diabetes mellitus was admitted to the hospital in ketoacidosis. He had a massive, invasive infection of the nasal sinuses. Biopsy disclosed fungal infection, which was most likely caused by

During a mini-epidemic of Shigella, a 5-year-old child from India became infected and died 3 days after the onset of diarrhea. The most prominent changes seen at autopsy were

Reiter syndrome, including the triad of conjunctivitis, polyarthritis, and genital lesions, occurs in men infected with which pathogen?

Diarrhea caused by cholera toxin results from the action of this toxin on cells of the

Lepromatous leprosy represents a form of disease that develops due to

Infection of the uterus following a "criminal abortion" performed in a "back alley" is most likely caused by

Suppurative nail infection (paronychia) and abscesses of fingertips ("felons") are most likely caused by