What are communicable diseases, food/waterborne diseases, and the symptoms of typhoid, cholera, and salmonella infections?

here are the answers to the questions:

1.1 Communicable diseases are:
The most appropriate response is (a) Diseases that are spread from one person to the other. Communicable diseases are infectious diseases that can be transmitted from one host to another, which includes person-to-person spread.

1.2 An example of food or waterborne disease is:
Both (b) and (d) are correct examples of food or waterborne diseases. However, if choosing the most common or widely recognized, (b) salmonella infection is a classic example.

1.3 An extreme watery diarrhoea, vomiting, confusion and cramps in the lower limbs are symptoms of:
These symptoms, particularly extreme watery diarrhea and severe dehydration leading to confusion and cramps, are characteristic of (c) Cholera.

1.4 The characteristic 'pea soup' stool is seen in which condition?
The characteristic 'pea soup' stool is associated with (b) Typhoid fever.

1.5 The characteristic 'rice water' stool is seen in which condition?
The characteristic 'rice water' stool is a hallmark symptom of (c) Cholera.