Tag: therapeutic action of different classes of drugs

Questions Related to therapeutic action of different classes of drugs

Which of the following are synthetic antimicrobial chemicals, consumed by humans?

  1. Insulin

  2. Sulphadiazine

  3. Hydrochloric acid

  4. Penicillin


Correct Option: B,D
Explanation:

Sulphadiazine and penicillin are the synthetic antimicrobial chemicals consumed by humans. Insulin and hydrochloric acid are produced by the body.

It is found in such as which cause cholera and typhoid ?

  1. Nutrients

  2. Bacteria

  3. Inorganic impurities

  4. Other microbes


Correct Option: B
Explanation:

Cholera is caused by vibriocholerae bacteria and typhoid is caused by salmonella typhi bacteria.

So, diseases like cholera and typhoid is caused by bacteria.

Which of the following is used as antiseptic?

  1. Tincture of iodine

  2. Equanil

  3. Heroin

  4. Histamine


Correct Option: A
Explanation:

Antiseptics are antimicrobials applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces.
Tincture of iodine is used as antiseptic on wounds.
Equanil is a tranquilizer.
Histamine is a antacid.
Heroin is a analgesic.

The first anti-microbial to be discovered is:

  1. Soframicin

  2. Pencillin

  3. Oflaxacin

  4. Terpineol


Correct Option: B
Explanation:

An antimicrobial tends to destroy/prevent development of microbes such as bacteria, fungi, virus, or other parasites selectively, and inhibit their pathogenic actions. 
Alexander Fleming was the first to discover a natural antimicrobial fungus known as Penicillium rubens. The substance he extracted from the fungus was named Penicillin. 

Which of the following is an antiseptic?

  1. Penicillin

  2. Aminoglycosides

  3. Ofloxacin

  4. Soframicin


Correct Option: D
Explanation:

Anti-microbials are classified as:
1. Anti-biotics
2. Antiseptics
3. Disinfectants
Antiseptics are anti-microbials which are applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces.
Soframicin is an antiseptic.
All the other compounds given are antibiotics.

What was the idea of Paul Ehrlich?

  1. Chemicals which would adversely affect the invading bacteria but not the host, can be used for the treatment of diseases caused by the bacteria.

  2. Chemicals which would adversely affect the invading bacteria but not the host, cannot be used for the treatment of diseases caused by the bacteria.

  3. Chemicals which would adversely affect the invading bacteria but not the guest, can be used for the treatment of diseases caused by the bacteria.

  4. Chemicals which would adversely affect the invading bacteria also the guest, can be used for the treatment of diseases caused by the bacteria.


Correct Option: A
Explanation:

Following was the idea of Paul Ehrlich.
Chemicals which would adversely affect the invading bacteria but not the host, can be used for the treatment of diseases caused by the bacteria.
Paul Ehrlich was a German Bacteriologist. He prepared compounds containing arsenic for treating syphilis. In 1908, he got the Nobel Prize for discovering arsphenamine (salvarsan) to kill syphilis bacteria.
He also worked on azo dyes containing $-N=N-$ linkage similar to $-As=As-$ linkage in salvarsan, and prepared antibiotic protonsil.

The drug which is used to cure diseases caused by microbes or microorganisms is called as an:

  1. antibiotic

  2. antimicrobial

  3. antifungal

  4. none of these


Correct Option: B
Explanation:

The drug which is used to cure diseases caused by microbes or microorganisms is called as an antimicrobial. Microorganisms like fungi, bacteria and virus cause variety of diseases in human beings. Antimicrobials kill or stop the growth of these microorganisms.

Salvarsan is the medicine used for which disease?

  1. Maleria

  2. Syphilis

  3. Acidity

  4. all of these


Correct Option: B
Explanation:

Salvarsan is the medicine used for Syphilis. It is also called arsphenamine.
It was the first antibacterial, discovered by Paul Ehrlich (a German Bacteriologist). In 1908, he got the Nobel Prize for discovering arsphenamine (Salvarsan).

Antimicrobials are effective on which kind of organisms?

  1. Bacteria

  2. Viruses

  3. Fungi

  4. all of these


Correct Option: D
Explanation:

Antimicrobials are effective on all bacteria, viruses and fungi.
Microorganisms like fungi, bacteria and virus causes variety of diseases in human beings. Antimicrobials kill or stop the growth of these microorganisms.

In which year Paul Ehrlich got the Noble Prize for medicine?

  1. 1980

  2. 1908

  3. 1907

  4. 1478


Correct Option: B
Explanation:

In the year 1908, Paul Ehrlich (a German Bacteriologist) got the Noble Prize for medicine for discovering arsphenamine (Salvarsan). It was the first antibacterial discovered by Paul Ehrlich, used for the cure of Syphilis.