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Microbiology Multiple Choice Questions

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Questions and Answers

Which of the following statements about Legionella pneumophila is false?

it is rapid growing organism on routine laboratory media (correct)

risk factors for infection include advanced age and smoking

erythromycin is the drug of choice for treatment

is water-borne organism transmitted by inhalation

Which of the following statements about Rocky Mountain Spotted Fever is incorrect?

the agent grows in macrophages (correct)

Rocky Mountain Spotted Fever is caused by _Rickettsia rickettsii_

Rocky Mountain Spotted Fever is transmitted by hard-bodied ticks

the agent grows in endothelial cells lining blood vessels

Which characteristic is not associated with the genus Corynebacterium?

bacilli and arranged in V, L & W form

spore forming (correct)

non motile

all of the above

Which statement about mycobacterial cell-wall is incorrect?

necrosis Signup and view all the answers

Which mode of transmission is associated with Legionella pneumophila?

Aerosol inhalation Signup and view all the answers

What is the drug of choice for treating Legionella pneumophila infection?

Erythromycin Signup and view all the answers

Study Notes

Legionella pneumophila

Legionella pneumophila is a water-borne organism transmitted by inhalation
Erythromycin is the drug of choice for treatment
Risk factors for infection include advanced age and smoking
It is not a rapid-growing organism on routine laboratory media

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever is caused by Rickettsia rickettsii
It is transmitted by hard-bodied ticks
The agent grows in endothelial cells lining blood vessels
It does not grow in macrophages

Genus Corynebacterium

Genus Corynebacterium includes bacilli arranged in V, L & W forms
They are non-motile
They do not form spores

Mycobacterial Cell-Wall

Trehalose 6-6' dimycolyl esters correlate with virulence
Mycolic acid is responsible for acid-fastness
There is no mention of necrosis or molecules as characteristics of mycobacterial cell-wall

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Description

Test your knowledge of microbiology with these multiple choice questions about Legionella pneumophila and Rocky Mountain Spotted Fever.