Chemistry · Biology

Pharmacology and Therapeutics

1,643 Questions

Engage with critical pharmacology and therapeutics questions covering drug classifications and therapeutic mechanisms. Topics include chemical absorption, medication formulations, and pharmacogenomics. This collection is useful for students preparing for medical entrance, nursing, and science competitive examinations.

Chemical absorption routesDrug formulation typesMedication mechanismsEnzyme inhibitorsPharmacogenomic tests

Pharmacology and Therapeutics Questions

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

Chloramine-T is a:

  1. disinfectant

  2. antiseptic

  3. analgesic

  4. antipyretic
Reveal answer Fill a bubble to check yourself
B Correct answer
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.

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

Sulphanilamide is a/an:

  1. sulpha drug

  2. antibiotic drug

  3. disinfectant

  4. antacid
Reveal answer Fill a bubble to check yourself
A,B Correct answer
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.

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

The birth control pills are which kind of drug?

  1. analgesics

  2. tranquilizers

  3. sulphapyridine

  4. antifertility
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antifertility agents are drugs that control fertility and are also called oral contraceptives. These drugs affect and are involved in the menstrual cycle and ovulation in females. Estrogen and progesterone in combined form are given as birth control pills. The antifertility substance is deemed to be active in females when it prevents fertilization, prevent ovulation, implantation, and destroys the zygote or causes abortion.

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

The estrogen derivative which is used in combination with progesterone derivative is __________.

  1. Novestrol

  2. Dysidazirine

  3. Chloramphenicol

  4. Amoxycillin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ethinylestradiol (Novestrol) is an estrogen medication which is used widely in birth control pills in combination with progestins. It is also occasionally used as a component of menopausal hormone therapy for the treatment of menopausal symptoms in combination with progestins.

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

Most widely used antifertility drug is:

  1. vancomycin

  2. ranitidine

  3. norethindrone

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Norethindrone is a synthetic progesterone most commonly used antifertility drugs. A chemical substance which is used to check pregnancy in women is called antifertility drug.

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 are the antispasmodics?

  1. Dicycloverine

  2. Atropine

  3. Propantheline

  4. All the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are two main types, as follows.

Antimuscarinics such as:

Dicycloverine

Hyoscine

Atropine

Propanthaline

Smooth muscle relaxants such as:

  • Alverine
  • Mebeverine
  • Peppermint oil
  • Hence option D is correct.

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

Alverine and Mebeverine drugs belong to which class of antispasmodics?

  1. Antimuscarinics

  2. Smooth muscle relaxants

  3. A,B

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There are two main types of anti plasmodics, as follows. Antimuscarinics such as Dicycloverine, Hyoscine, Atropine and Propantheline

Smooth muscle relaxants such as Alverine, Mebeverine and Peppermint oil Hence option B is correct

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

 Formalin is a powerful :

  1. preservative and disinfectant

  2. bleaching and whitening agent

  3. painkiller

  4. deodorant
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It is used in tanning, preserving, and embalming and as a germicide, fungicide, and insecticide for plants and vegetables, but its largest applications is in the production of certain polymeric materials.

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

Aspirin, a drug for curing headaches and pain is:

  1. pyridine

  2. acetylsalicylic acid

  3. anthraquinone

  4. benzaldehyde
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

(B) acetylsalicylic acid

Aspirin, also known as acetylsalicylic acid is a non-steroidal, non-inflammatory drug. Due to its analgesic, anti-inflammatory, and antipyretic properties, it is used to treat pain, fever or inflammation. It is produced by acetylation of salicylic acid.

Multiple choice biology biotechnology and genetic engineering stds and infertility gm crops biotechnology

Ergot, which is an important source of a drug is obtained from

  1. Agaricus

  2. Claviceps

  3. Commiphora

  4. Ephedra
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ergot or ergot fungi refers to a group of fungi of the genus Claviceps. The most prominent member of this group is Claviceps purpurea ("rye ergot fungus"). This fungus grows on rye and related plants, and produces alkaloids that can cause ergotism in humans and other mammals who consume grains contaminated with its fruiting structure.

Multiple choice

Which alkaloid is called as antimalarial drug?

  1. Nicotine

  2. Quinine

  3. Reserpine

  4. Nimbin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Quinine is an alkaloid extracted from the bark of the cinchona tree. It has historically served as a highly effective antimalarial drug to treat infections caused by Plasmodium parasites.

Multiple choice

If you had muscle cramps, you might chew of this nightshade plant for relief. What are you ingesting?

  1. Belladonna

  2. Digitalis

  3. Morphine

  4. Quinine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Belladonna (Atropa belladonna), also known as deadly nightshade, contains atropine, which acts as an anticholinergic and can relieve muscle spasms and cramps. Digitalis is derived from foxglove and is used for heart conditions, morphine comes from poppies for pain relief, and quinine comes from cinchona bark to treat malaria.