A bull's-eye rash is a common symptom of which disease?

a) Epidemic typhus
b) Lyme disease
c) Rocky Mountain spotted fever
d) Tularemia


Ans: b) Lyme disease

Biology & Microbiology

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Boiling will not inactivate Giardia lamblia cysts in contaminated water.

Answer the following statement true (T) or false (F)

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A camping party got lost in the wilderness for several days. They had sufficient food but misplaced their matches and could drink only the water from the clear lakes and streams in the area without boiling it

Very quickly everyone developed diarrhea that lasted the entire 8 days until they were rescued. Which type of pathogen was probably responsible? A) protozoan B) fungus C) prion D) vector

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according to current health standards, obesity is defined as having a BMI of ___ or higher

What will be an ideal response?

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Streptococcus pneumoniae is:

A. called the meningococcus. B. in the viridans group. C. a gram positive diplococcus with a capsule. D. a pathogen with endotoxin. E. All of the choices are correct.

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