Ehrlichia and Anaplasma — Flashcards

Flashcard 1: Rickettsia spp. is _____ and thus cannot make its own ATP

Answer: obligate intracellular

Flashcard 2: What is the etiology of Endemic Typhus?_____

Answer: Rickettsia typhi

Flashcard 3: Mycoplasma pneumonia requires _____ to grow, which is present in Eaton's Agar

Answer: cholesterol

Flashcard 4: Why doesn't Rickettsia gram stain well?_____

Answer: Intracellular parasite

Flashcard 5: Which Rickettsia spp. can result in pneumonia?_____

Answer: Rickettsia prowazekii

Flashcard 6: What is the vector for Epidemic Typhus (Rickettsia prowazeki)?_____

Answer: Human Body Louse

Flashcard 7: Mycoplasma pneumoniae

Answer:

Extra: Eaton's agaratypical "walking" pneumoniamacrolide or flouroquinolone

Flashcard 8: What are the key associations to remember for cold agglutinin?

Answer: IgM, Mycoplasma, Mononucleosis (EBV)

Flashcard 9: Mycoplasmal pneumonia

Answer: Mycoplasma pneumoniae

Extra: pneumonia with insidious onset, headache, nonproductive cough, diffuse interstitial infiltratelung X-ray: diffuse interstitial inflitratemacrolide or flouroquinolone<30 y/o, military recruits and prisoners

Flashcard 10: What factor explains Mycoplasma's inability to Gram stain?

Answer: no cell wall!