Bacteria — Flashcards

Flashcard 51: Tuberculoid leprosy is characterized by a _____ immune response.

Answer: Th1

Flashcard 52: Lepromatous leprosy is characterized by a _____ immune response.

Answer: Th2

Flashcard 53: lepromatous leprosy

Answer: Mycobacterium leprae

Extra: diffuse cutaneous lesions on hands and feet with loss of sensation, loss of eyebrows, nasal collapse, lumpy earlobe, "leonine facies"2-5 years of dapsone, rifampin, and clofazimine

Flashcard 54: With respect to TB, what does a negative PPD indicate?

Answer: no infection, no previous exposure, OR anergy

Flashcard 55: Secondary TB can result from _____ or _____.

Answer: reinfection

Flashcard 56: Primary tuberculosis is defined by presence of a pulmonary _____.

Answer: Ghon complex

Flashcard 57: tuberculosis

Answer: Mycobacterium tuberculosis

Extra: fever, night sweats, weight loss, hemoptysiscaseating granulomas with multi-nucleated giant cells and acid-fast bacilliforeign travelimmunocompromised

Flashcard 58: What is the chemical composition of bacterial exotoxins?

Answer: polypeptides

Flashcard 59: Are exotoxins secreted from the bacterial cell?

Answer: yes

Flashcard 60: Which types of bacteria produce exotoxins?

Answer: both G+ and G-