25 Questions
Which type of stain is best used for Legionella pneumophila?
Silver stain
What is the common growth medium for Legionella pneumophila?
Buffered charcoal-yeast extract agar (BCYE)
Which of the following tests would Legionella pneumophila most likely be positive for?
Oxidase test
What kind of bacteria are Legionella pneumophila?
Aerobic Gram-negative bacilli
Which of the following enzymes are typically positive in Legionella pneumophila?
Catalase
How is Pontiac fever different from pneumonia?
It does not result in pneumonia
Which type of test is used for the diagnosis of Pontiac fever?
Direct fluorescent antibody test (FAT) of sputum specimen
How do the cell walls of Chlamydia bacteria resemble gram-negative bacteria?
They are not stained with the Gram stain
What is the special replicative cycle of Chlamydia bacteria?
Forms reticulate and elementary bodies
Which antibiotic is effective against Chlamydia bacteria?
Macrolide (erythromycin)
What type of disease is Q fever?
Bacterial
Which animals serve as reservoirs for Q fever?
Cattle
What is a common source of human infections with Q fever?
Goats
Which of the following diseases is NOT a zoonosis?
Tuberculosis
How can Q fever be transmitted to humans?
Inhalation of contaminated dust particles
What is the primary mode of transmission of Chlamydophila pneumonia?
Person-to-person transmission
Which group is particularly at risk of contracting Chlamydophila pneumonia?
Elderly individuals
What is the main species that Chlamydophila pneumonia infects?
Both humans and animals
Which age group is least likely to be affected by Chlamydophila pneumonia?
Infants
In the context of Chlamydophila pneumonia, what is the term for transmission through contaminated air droplets?
Respiratory transmission
What clinical presentation should suggest Q fever?
Combination of pneumonia and hepatitis
In which phase antigen is acute Q fever associated with?
Phase II antigen
What distinguishes the clinical presentation of Q fever from most other rickettsial diseases?
Presence of a rash
Which symptom is NOT commonly seen in Q fever?
Rash
What is the significance of the absence of a rash in Q fever diagnosis?
It confirms the presence of Q fever
Learn about the cold-agglutinin test, its characteristics, and the treatment involving Legionella Pneumonia. Understand the use of silver stains for staining, growth on specialized media like buffered charcoal-yeast extract agar, and the positive results for Oxidase and Catalase tests.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
