Forensic serology: practice question

A Forensic 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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Forensic Medicine · Forensic serology

Sample item

The acid phosphatase test in a forensic laboratory is used to detect:

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

The answer and the reasoning

D. Seminal stains

Prostatic acid phosphatase is present in high concentration in seminal fluid, so the test serves as a screening test. Confirmation is by finding spermatozoa or by the presence of PSA.

Option by option

  • A. Urine stains

    Urine stains are detected by urea and creatinine tests.

  • B. Saliva stains

    Saliva is detected by the amylase test.

  • C. Blood stains

    Blood is detected by tests like benzidine or the Teichmann test.

  • D. Seminal stains (correct)

    Correct.

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 Forensic Medicine questions

Questions about this Forensic Medicine question

What is the answer to this Forensic Medicine question?

The best answer is D, Seminal stains. Prostatic acid phosphatase is present in high concentration in seminal fluid, so the test serves as a screening test.

Why is "Urine stains" not the answer?

Urine stains are detected by urea and creatinine tests.

Why is "Saliva stains" not the answer?

Saliva is detected by the amylase test.

Why is "Blood stains" not the answer?

Blood is detected by tests like benzidine or the Teichmann test.

What concept does this question test?

It tests Forensic serology in Forensic Medicine. Confirmation is by finding spermatozoa or by the presence of PSA.

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 Forensic serology?

Learn postmortem changes with their timelines, and toxicology as poison, sign, test and antidote. Then use the flashcards and the other Forensic 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.