NURSING EXAM QUESTIONS
MICROBIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Bacteria exist in only a few environments on earth
|
|
|
Bacteria can grow to extremely large sizes
|
|
|
Most bacteria are harmful to humans
|
|
|
Bacteria can be both harmful and helpful to humans
|
Detailed explanation-1: -Microscopic creatures-including bacteria, fungi and viruses-can make you ill. But what you may not realize is that trillions of microbes are living in and on your body right now. 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: -Beneficial, harmful, and opportunistic bacteria Representative examples are bifidobacteria and lactic acid bacteria. In contrast, bad bacteria have adverse effects on the body. Representative examples include Clostridium perfringens, Staphylococcus, and Escherichia coli (E. coli; toxic strain).
Detailed explanation-3: -Not all bacteria are harmful, and some bacteria that live in your body are helpful.
Detailed explanation-4: -So, the correct answer is ‘Bacteria grow fastest when they are warm’