Question

Assertion: Amoebic dysentry can be diagnosed by stool test of the patient.
Reason: Stool of the patient has tetranucleated cysts.

• A. Assertion is True, Reason is True; Reason is a correct explanation for Assertion.
• B. Assertion is True, Reason is True; Reason is NOT a correct explanation for Assertion.
• C. Assertion is True, Reason is False.
• D. Assertion is False, Reason is True.

Answer 1

The correct option is A

Assertion is True, Reason is True; Reason is a correct explanation for Assertion.

Option a:

Assertion statement:

1. Amoebic infection is both oral and direct. Tetranucleate cysts are ingested when contaminated food or water is consumed.
2. The pathogen secretes a cytolysin enzyme that destroys the intestinal mucosa, resulting in ulceration, acute diarrhea, blood, and mucus in the stools, which a stool test can detect.

Reason statement:

1. Tetranucleate cysts are ingested when contaminated food or water is consumed.
2. The most frequent way for diagnosing E. histolytica is to look for cysts and trophozoites in the stools under a microscope.