Fluid and electrolytes: practice question

A General Medicine 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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General Medicine · Fluid and electrolytes

Sample item

Which symptom can occur with significant hyponatraemia?

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

The answer and the reasoning

C. Confusion or seizures

Marked hyponatraemia can cause cerebral oedema, leading to headache, confusion, seizures, or reduced consciousness depending on severity and rapidity.

Option by option

  • A. Isolated toenail thickening

    Thick nails suggest local nail disease.

  • B. Focal skin depigmentation

    Depigmentation is a dermatologic issue.

  • C. Confusion or seizures (correct)

    Correct: brain swelling can cause neurological symptoms.

  • D. Improved night vision

    Night vision is not a typical sodium manifestation.

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 General Medicine questions

Questions about this General Medicine question

What is the answer to this General Medicine question?

The best answer is C, Confusion or seizures. Marked hyponatraemia can cause cerebral oedema, leading to headache, confusion, seizures, or reduced consciousness depending on severity and rapidity.

Why is "Isolated toenail thickening" not the answer?

Thick nails suggest local nail disease.

Why is "Focal skin depigmentation" not the answer?

Depigmentation is a dermatologic issue.

Why is "Improved night vision" not the answer?

Night vision is not a typical sodium manifestation.

What concept does this question test?

It tests Fluid and electrolytes in General Medicine. The correct option holds because: Correct: brain swelling can cause neurological symptoms.

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 Fluid and electrolytes?

For each disease know the classic presentation, the best test, and the first-line treatment. Then use the flashcards and the other General Medicine 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.