Bacteriology: practice question

A Microbiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Microbiology · Bacteriology

Sample item

What organism is most commonly implicated in uncomplicated urinary tract infection?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

C. Escherichia coli

Escherichia coli from intestinal flora commonly ascends the urinary tract and is the leading cause of uncomplicated cystitis in many populations.

Option by option

  • A. Mycobacterium leprae

    M. leprae causes leprosy.

  • B. Bordetella pertussis

    B. pertussis causes whooping cough.

  • C. Escherichia coli (correct)

    Correct: E. coli is the commonest uncomplicated UTI pathogen.

  • D. Clostridium tetani

    C. tetani causes tetanus.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Microbiology questions

Questions about this Microbiology question

What is the answer to this Microbiology question?

The best answer is C, Escherichia coli. Escherichia coli from intestinal flora commonly ascends the urinary tract and is the leading cause of uncomplicated cystitis in many populations.

Why is "Mycobacterium leprae" not the answer?

M. leprae causes leprosy.

Why is "Bordetella pertussis" not the answer?

B. pertussis causes whooping cough.

Why is "Clostridium tetani" not the answer?

C. tetani causes tetanus.

What concept does this question test?

It tests Bacteriology in Microbiology. The correct option holds because: Correct: E. coli is the commonest uncomplicated UTI pathogen.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Bacteriology?

Make a one-line identity card for each organism: shape and stain, defining test, toxin, disease and drug. Then use the flashcards and the other Microbiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.