Tag: antimicrobials and antifertility drugs

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Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

What is tincture of iodine?

  1. 2-3% solution of iodine in alcohol-water mixture.

  2. A mixture of iodine in chloroxylenol.

  3. A mixture of 0.2% phenol and 2-3% iodine in water.

  4. 2-3% solution of iodine in potassium iodide.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

2-3% solution of iodine in alcohol-water mixture is known as tincture of iodine. It is a powerful antiseptic.

Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Which of the following statements is not correct?

  1. Antiseptics can be safely applied to the living tissues.

  2. Antiseptics can be incorporated into deodorants, face powders and soaps.

  3. Disinfectants can also be applied to the skin safely.

  4. A very dilute solution of a few disinfectants can be used as antiseptics.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Disinfectants are harmful to the living tissues hence they are not applied to the skin.

Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Antiseptic chloroxylenol is:

  1. $4$ - chloro $3, 5 $ - dimethylphenol
  2. $3$ - chloro $3, 5 $ - dimethylphenol
  3. $4$ - chloro $2, 5 $ - dimethylphenol
  4. $5$ - chloro $3, 4 $ - dimethylphenol
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chloroxylenol also known as para-chloro-meta-xylenol (PCMX), is an antiseptic and disinfectant agent used for skin disinfection and cleaning surgical instruments. Its chemical names are given as 4-Chloro-3,5-dimethylphenol.

Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

The formulation of dettol contains:

  1. chloroxylenol

  2. terpineol

  3. Isopropyl alcohol

  4. all of these.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dettol contains Chloroxylenol (comprises of 4.8% of dettol's total admixture) which is an antiseptic and disinfectant used for skin disinfection and cleaning surgical instruments, Terpineol which is a monoterpene alcohol that has been isolated from variety of sources such as cajuput oil, pine oil, and petotgrain oil. and isopropyl alcohol.

Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

A drug which is effective in curing malaria is:

  1. aspirin.

  2. quinine.

  3. morphine.

  4. analgin.
Reveal answer Fill a bubble to check yourself
B Correct answer
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.
  • Malaria is a viral disease and caused by female anopheles mosquito. The drugs which are used to cure malaria are quinine,,Hydroxychloroquine Mefloquine etc.
Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Which of the following can be used as an analgesic without causing addiction?

  1. Morphine

  2. Aspirin

  3. Heroin

  4. Codeine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Analgesics reduce or abolish pain without causing impairment of
consciousness, mental confusion, incoordination or paralysis or some
other disturbances of nervous system
Aspirin and paracetamol belong to the class of non-narcotic (non-addictive) analgesics. Aspirin inhibits the synthesis of chemicals known as prostaglandins which stimulate inflammation in the tissue and cause pain. These drugs are effective in relieving skeletal pain such as that due to arthritis. These drugs have many other effects such as reducing fever (antipyretic) and preventing platelet coagulation. Because of its anti blood clotting action, aspirin finds use in prevention of heart attacks.
Morphine,Heroin,Codeine belongs to narcotic(addictive) analgesics.
Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Which of the following antibiotics is bactericidal?

  1. Erythromycin

  2. Tetracycline

  3. Penicillin

  4. Chloramphenicol
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • An antibiotic refers to a substance produced wholly or partly by chemical synthesis, which in low concentrations inhibits the growth or destroys microorganisms by intervening in their metabolic processes.
  • Antibiotics have either cidal (killing) effect or a static (inhibitory) effect on microbes.
  • Bactericidal-Penicillin,Aminoglycosides,Ofloxacin
  • Bacteriostatic-Erythromycin,Tetracycline,Chloramphenicol
  • Ampicillin and Amoxycillin are synthetic modifications of penicillins. These have broad spectrum. It is absolutely essential to test the patients for sensitivity (allergy) to penicillin before it is administered
Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Antiseptic are the chemical which either ___orthe growth of microorganisms and are applied to the ___.

  1. kill, prevent, living tissues

  2. kill, prevent, non-living objects

  3. increase, decrease, living tissues

  4. kill, increase, non-living tissues
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Antiseptics are applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces.
  • Antiseptics helps to kill or prevent the growth of microorganisms.
  • Examples are furacine, soframicine, etc. 
  • Commonly used antiseptic, dettol is a mixture of chloroxylenol and terpineol. Bithionol (the compound is also called bithional) is added to soaps to impart antiseptic properties. Iodine is a powerful antiseptic. 
  • Its 2-3 per cent solution in alcoholwater mixture is known as tincture of iodine. It is applied on wounds. 
  • Iodoform is also used as an antiseptic for wounds. 
  • Boric acid in dilute aqueous solution is weak antiseptic for eyes.
Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

Which of the following is not true about antifertility drugs? 

  1. Birth control pills contain a mixture of synthetic estrogen and progesterone derivatives.

  2. Both compounds i.e.estrogen and progesterone are vitamins.

  3. Progesterone is supposed to suppress ovulation.

  4. Norethindrone is an example of synthetic progesterone derivative.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Estrogen and progesterone are hormones.

Multiple choice chemistry chemistry in daily life antimicrobials and antifertility drugs therapeutic action of different classes of drugs drugs and their classification

The main constituents of dettol are:

  1. chloramphenicol and glycerol

  2. 2-3% solution of iodine in alcohol

  3. 0.2% solution of phenol

  4. chloroxylenol and terpineol
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Antiseptics are applied to the living tissues such as wounds, cuts, ulcers and diseased skin surfaces. Examples are furacine, soframicine etc. These are not ingested like antibiotics. Commonly used antiseptic, dettol is a mixture of chloroxylenol and terpineol.