MCQ IN MEDICINE

Detailed explanation-1: -Not all bacteria are harmful, and some bacteria that live in your body are helpful. For instance, Lactobacillus acidophilus-a harmless bacterium that resides in your intestines-helps you digest food, destroys some disease-causing organisms and provides nutrients.

Detailed explanation-2: -Most bacteria won’t hurt you-less than 1 percent of the different types make people sick. Many are helpful. Some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese.

Detailed explanation-3: -Bacteria are microscopic organisms that exist in every environment, both inside and outside other organisms. While some are harmful, most serve a purpose. They support plant and animal life and are used in industrial and medicinal industries. Although they have a bad reputation, they do a lot of good!