Tag: therapeutic action of different classes of drugs

Questions Related to therapeutic action of different classes of drugs

Which of the following are natural antimicrobial chemicals secreted by the body?

  1. Lactic acid

  2. Urea

  3. Hydrochloric acid

  4. Lysozyme


Correct Option: A,C,D
Explanation:

An antimicrobial is an agent that kills micro-organisms or inhibits their growth.

HCl is secreted by the stomach. 
Lactic acid is naturally present in humans, as well as in animals. It is well known that it is formed from glycogen by muscle cells when the oxygen supply is inadequate to support energy production.
Lysozyme is present in the body, abundant in tears, saliva, mucus and milk.
Urea is a waste from the human body, not an antimicrobial.

It is found in such as which cause dysentery?

  1. Other microbes

  2. Bacteria

  3. Nutrients

  4. Inorganic impurities


Correct Option: A
Explanation:

Dysentery can be caused by bacteria, virus, or other parasites which cause inflammation of intestines accompanied by bloody diarrhoea.

Chloramine-T is a:

  1. disinfectant

  2. antiseptic

  3. analgesic

  4. antipyretic


Correct Option: B
Explanation:

Antiseptics drugs cause destruction of micro organisms, which produce septic diseases, eg. dettol, savlon, acriflavin, boric acid, phenol, iodoform, $KMn{O} _{4}$ and some dyes such as chloramine-T, methylene blue.

Chloramine-T is used as:

  1. antipyretic

  2. analgestic

  3. antiseptic

  4. disinfectant


Correct Option: C
Explanation:

Chloramine-T is antiseptic. Chemically it is sodium salt of p-toluene sulphonamide.

The oxidant which is used as an antiseptic is.

  1. $PbBr{ O } _{ 3 }$

  2. $KBr{ O } _{ 3 }$

  3. $Cr{ O } _{ 3 }$

  4. $KN{ O } _{ 3 }$


Correct Option: B
Explanation:

$KMn{O} _{4}$ is a powerful oxidising agent in all mediums and it is used as an antiseptic.

_________ tends to destroy/prevent development or inhibit the pathogenic action of microbes such as bacteria ,fungi, virus, or other parasites selectively.

  1. Histamine

  2. Antibiotic

  3. Antiseptic

  4. Disinfectant


Correct Option: B,C,D
Explanation:

An antimicrobial tends to destroy/prevent development or inhibit the pathogenic action of microbes such as bacteria (antibacterial drugs), fungi (antifungal agents), virus (antiviral agents), or other parasites (antiparasitic drugs) selectively. Antibiotics, antiseptics and disinfectants are antimicrobial drugs.

Sulphanilamide is a/an:

  1. sulpha drug

  2. antibiotic drug

  3. disinfectant

  4. antacid


Correct Option: A,B
Explanation:

Antibiotics containing chemicals called sulfonamides are called suplha drugs.
In the body, prontosilis converted to a compound called sulphanilamide, which is the real active compound as antibacterial agent.

_______ are applied to inanimate objects such as floors, drainage system, instruments, etc.

  1. Disinfectants

  2. Antiseptics

  3. Antacids

  4. Antibiotics


Correct Option: A
Explanation:

Antiseptics and disinfectants are the chemicals which either kill or prevent the growth of microorganisms. Disinfectants are for non-living things while antiseptics are for living tissues.

Soframicine is a/an:

  1. antiseptic

  2. disinfectant

  3. antifertility drug

  4. anti-histamine


Correct Option: A
Explanation:

Antiseptics are applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces. Examples are furacine, soframicine, etc.

Chlorine in the concentration of 0.2 to 0.4 ppm in aqueous solution, mixed with sulphur dioxide in very low concentrations, form _______.

  1. disinfectants

  2. antibiotics

  3. antiseptics

  4. none of the above


Correct Option: A
Explanation:

Antiseptics acts as disinfectants at low concentration of solution.

Chlorine in concentration of $0.2$ to $0.4$ $ppm$ in aqueous solution, mixed with $SO _2$ at low concentration is a disinfectant.