Legionnaire’s Disease Quiz

1. What is the Gram reaction of the organism which causes Legionnaire’s disease?

A. Gram negative

B. Gram positive

C. Gram neutral

D. Gram variable

2. What is the motility of the organism that causes Legionnaire’s disease?

A. Motile

B. Non-motile

C. Motile-variable

D. Does not apply

3. What is the shape of the organism that causes Legionnaire’s Disease?

A. rod

B. curved rod

C. sphere

D. spiral

4. What is the correct way to designate the organism that causes Legionnaire’s Disease?

A. Legionella pneumophilia

B. Legionella pneumoniae

C. Legionella pneumoniae

D. Legionella pneumophilia

E. Pneumonia legionnaire’s

5. How is Legionnaire’s disease transmitted?

A. aerosolization

B. Water-borne

C. Food borne

D. Tick-borne

6. When the disease was initially discovered, which of Koch’s postulates was not met?

A. Recognition in all cases

B. Isolate and grow in pure culture

C. Reproduction of disease in a lab animal

D. Recovery of the organism from the diseased animal.

7. Which of the following would not be responsible for the transmission of Legionnaire’s Disease?

A. Evaporative condensers of air conditioning systems.

B. Misters in produce section of supermarket

C. Drinking water

D. Soil samples

8.What is the definition of an emerging disease?

A. Previously identified disease that is increasing in occurrence.

B. Newly identified disease that is becoming more prominent.

C. A disease that is resistant to antibiotics.

D. Native disease that prevails continoulsy in a geographic region

9. A rickettsia is

A. A virus

B. A fungi

C. An Intracellular parasite

D. A protist

10. An enriched agar is

A. Designed to grow a broad spectrum of microbes with no special growth requirements.

B. Contains complex organic substances, like growth factors, required by some microorganism.

C. Contain a mixture of nutrients that support growth of variety of microbes

D. Will not grow fastidious organisms.

11. Which of the following is a NOT a true statement?

A. Patients who recovered from Legionnaire’s disease had antibodies to Legionella pneumophilia

B. Patients who did not have Legionnaire’s disease did not have antibodies to the agent

C. The rod-shaped organism could not be cultured by usual laboratory methods.

D. Elevated levels of metallic and toxic substances were found in autopsy samples from victims of Legionnaire’s disease.