Quick Answer: Which Of The Following Is The Best Definition Of An Antibiotic?

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What is the best definition of an antibiotic?

The definition of antibiotic is a medicine that helps a person or animal heal from an infection by destroying or limiting harmful microorganisms. An example of an antibiotic is penicillin.

How are antibiotics defined?

Any substance that inhibits the growth and replication of a bacterium or kills it outright can be called an antibiotic. Antibiotics are a type of antimicrobial designed to target bacterial infections within (or on) the body.

What is an antibiotic simple definition?

Antibiotics are medicines that fight bacterial infections in people and animals. They work by killing the bacteria or by making it hard for the bacteria to grow and multiply.

Who defined the term antibiotics?

The term antibiotic was first used in 1942 by Selman Waksman and his collaborators in journal articles to describe any substance produced by a microorganism that is antagonistic to the growth of other microorganisms in high dilution.

What are antibiotics in one word?

An antibiotic is a substance used to kill bacteria. If you’re coughing up green stuff, the doctor might give you an antibiotic to fight the infection. Since the prefix anti- means fighting, opposing, or killing, and bios is the Greek word for “life,” antibiotic literally means life-killing.

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What are the 7 types of antibiotics?

7 Types of Antibiotics

  • Penicillins such as penicillin and amoxicillin.
  • Cephalosporins such as cephalexin (Keflex)
  • Macrolides such as erythromycin (E-Mycin), clarithromycin (Biaxin), and azithromycin (Zithromax)
  • Fluoroquinolones such as ciprofolxacin (Cipro), levofloxacin (Levaquin), and ofloxacin (Floxin)

What are antibiotics very short answer?

Antibiotics are medicines that help stop infections caused by bacteria. They do this by killing the bacteria or by keeping them from copying themselves or reproducing. The word antibiotic means “against life.” Any drug that kills germs in your body is technically an antibiotic.

What is antibiotic and example?

The main types of antibiotics include: Penicillins – for example, phenoxymethylpenicillin, flucloxacillin and amoxicillin. Cephalosporins – for example, cefaclor, cefadroxil and cefalexin. Tetracyclines – for example, tetracycline, doxycycline and lymecycline. Aminoglycosides – for example, gentamicin and tobramycin.

What is an antibiotic class 9?

Antibiotics are the medicines that inhibits the growth or kills the bacteria cauisng microbes by blocking the pathway for bacterial synthesis but doesnot affect its own pathway. The antibiotics block the biochemical processes used by bacteria to build cell wall that protects them.

What diseases can antibiotics treat?

Antibiotics can treat bacterial infections, such as:

  • Most sinus infections.
  • Strep throat.
  • Urinary tract infections.
  • Pneumonia.
  • Most ear infections (otitis media)
  • Nasty bacterial skin infections (impetigo)

Is antibiotic a drug class?

Antibiotics are grouped into classes based on their chemical structure. However, antibiotics within each class often affect the body differently and may be effective against different bacteria.

Do Antibiotics save lives?

Antibiotics can save lives, and when a patient needs antibiotics, the benefits usually outweigh the risks of side effects and antibiotic resistance. When antibiotics aren’t needed, they won’t help you, and the side effects could still cause harm. Common side effects of antibiotics can include: rash.

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What is an antibiotic give two examples?

An antibiotic is an antimicrobial drug that is active against bacteria. It is derived from living matter or micro-organism, that can be used to kill or prevent the growth of other micro-organisms. Two examples of antibiotics are- penicillin and chloramphenicol.

What was the first antibiotic?

But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary’s Hospital in London.

What is the best antibiotic for a bacterial infection?

Bacterial infections are treated with antibiotics such as amoxicillin, erythromycin and ciprofloxacin. There are many different types of antibiotic, with different ways of working; the choice depends on the type of infection you have. Fungi commonly cause skin infections such as athlete’s foot and ringworm.

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