Human Health And Disease Question 169

Question: Read the assertion and reason carefully to mark the correct option out of the options given below:

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

Options:

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

Show Answer

Answer:

Correct Answer: A

Solution:

Amoebic infection is direct and oral.

The tetranucleate cysts are ingested with contaminated food water.

The pathogen secretes a cytolysin enzyme which damages intestinal mucosa leading to its ulceration acute diarrhoea, blood and mucus in the stools so we can diagnosed by stool test of the patient.