Antibiotics: practice question

A Pharmacology 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.

Try it

Pharmacology · Antibiotics

Sample item

Why are tetracyclines avoided in young children?

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

The answer and the reasoning

B. They can discolor developing teeth

Tetracyclines bind developing tooth and bone mineral, causing permanent tooth discoloration and enamel effects in children and pregnancy.

Option by option

  • A. They cause universal anaphylaxis

    Anaphylaxis is not universal.

  • B. They can discolor developing teeth (correct)

    Correct: mineral binding discolors developing teeth.

  • C. They are inactive against bacteria

    Tetracyclines are active antimicrobials.

  • D. They always cause kidney stones

    Renal stones are not the main reason.

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 Pharmacology questions

Questions about this Pharmacology question

What is the answer to this Pharmacology question?

The best answer is B, They can discolor developing teeth. Tetracyclines bind developing tooth and bone mineral, causing permanent tooth discoloration and enamel effects in children and pregnancy.

Why is "They cause universal anaphylaxis" not the answer?

Anaphylaxis is not universal.

Why is "They are inactive against bacteria" not the answer?

Tetracyclines are active antimicrobials.

Why is "They always cause kidney stones" not the answer?

Renal stones are not the main reason.

What concept does this question test?

It tests Antibiotics in Pharmacology. The correct option holds because: Correct: mineral binding discolors developing teeth.

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 Antibiotics?

Learn drugs as classes, then the exception in each class that an examiner would pick. Then use the flashcards and the other Pharmacology 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.