A positive widal test on sample of blood from a patient's body confirms the presence of

Salmonella typhi

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Plasmodium vivax

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Haemophilus influenza

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Streptococcus pneumonia

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Solution

The correct option is A
Salmonella typhi

Widal test is a serological test which is done to confirm the presence of Salmonella typhi, the causative agent of typhoid fever.

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A positive widal test on sample of blood from a patient's body confirms the presence of

When blood test is performed on a patient it reveals high level of carboxyhemoglobin. This observation confirms increased exposure to:

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