MCQ IN MEDICINE

Detailed explanation-1: -Most don’t harm you at all. In fact, they help you digest food, protect against infection and even maintain your reproductive health.

Detailed explanation-2: -How are bacteria harmful? Although certain types of bacteria may lead to disease, most aren’t considered pathogenic. In fact, there are many more good bacteria than bad, according to the NHGRI .

Detailed explanation-3: -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-4: -Bacteria are unique microorganisms that have a variety of physiological functions which are beneficial to human beings. However, bacteria can also be harmful and cause infections if translocated from the gastrointestinal tract to the epithelial tissue following surgery.

Detailed explanation-5: -Most bacteria are good for us The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins, to name a few examples[7]; [8]. Also, they play an essential role in the defense against infections by protecting colonized surfaces from invading pathogens[8]; [9].