EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Antibiotics are used to-
A
fight off the symptoms of of a virus, but not kill the virus
B
kill a bacteria that infects an organism
C
fight off the symptoms of of a bacteria, but not kill it
D
kill a virus that infects an organism
Explanation: 

Detailed explanation-1: -Antibiotics are used to treat or prevent some types of bacterial infection. They kill bacteria or prevent them from reproducing and spreading. Antibiotics aren’t effective against viral infections. This includes the common cold, flu, most coughs and sore throats.

Detailed explanation-2: -What is an antibiotic? Antibiotics are medicines that fight infections caused by bacteria in humans and animals by either killing the bacteria or making it difficult for the bacteria to grow and multiply. Bacteria are germs. They live in the environment and all over the inside and outside of our bodies.

Detailed explanation-3: -Some, such as penicillin, kill bacteria by destroying the bacterial cell wall. Others, such as tetracycline, interfere with the ability of bacteria cells to reproduce or make proteins or nutrients they need to survive.

Detailed explanation-4: -Bactericidal and bacteriostatic antibiotics A bactericidal antibiotic kills the bacteria while the bacteriostatic antibiotics stop bacterial growth without killing them. The human immune system is then needed to clear the infection.

Detailed explanation-5: -Antibiotics are chemicals that kill or inhibit the growth of bacteria and are used to treat bacterial infections.

There is 1 question to complete.