Tag: therapeutic action of different classes of drugs

Questions Related to therapeutic action of different classes of drugs

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

  1. Novestrol

  2. Dysidazirine

  3. Chloramphenicol

  4. Amoxycillin


Correct Option: A
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.

Most widely used antifertility drug is:

  1. vancomycin

  2. ranitidine

  3. norethindrone

  4. none of these


Correct Option: C
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.

Which of the following are the antispasmodics?

  1. Dicycloverine

  2. Atropine

  3. Propantheline

  4. All the above


Correct Option: D
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.

Alverine and Mebeverine drugs belong to which class of antispasmodics?

  1. Antimuscarinics

  2. Smooth muscle relaxants

  3. A,B

  4. None of the above


Correct Option: B
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

Lysine is used as:

  1. disinfectant

  2. germ killer

  3. treating eye disease

  4. anti-cancer drug


Correct Option: B,C,D
Explanation:

Lysine is used for treating eye disease and as an anti-cancer drug because it is a nutritional supplement containing the biologically active L-isomer of the essential amino acid lysine, with potential anti-mucositis activity.
People use it to make medicine, also used for preventing and treating cold sores. 

Refer to the given paragraph and answer the following question. Plant P is the only source of food for the caterpillars of a butterfly species, Q. Plant P depends on the adults of the butterfly species Q for pollination. Infact, animal Q is the only pollinator of plant P in nature. Animal R feeds exclusively on the caterpillars of the butterfly species, Q. Animal R In turn is the prey of animal S. Which of the following is likely to happen if animal S is hunted to extinction?

  1. Animal R wit continuously feed on animal Q which may lead to coex-tinction of both P and Q with time.

  2. The populations of both animals Q and R will increase, however the population of plant P will decrease with time.

  3. Population of animal R will Increase while population of animal Q will decrease with time.

  4. Both (A) and (C)


Correct Option: D
Explanation:

According to the given paragraph. P and Q show mutual relationship, i.e. if Q will extinct then it will lead to extinction of Pas well and vice versa. If animal S is hunted to extinction, then population of animal R will start increasing abnormally in the absence of its predator. This uncontrolled growing population of R will feed more on Q population which may ultimately lead to Its extinction with time. As both P and Q depend on each other for existence hence, P population will start decreasing and ultimately get extinct with time.

 Formalin is a powerful :

  1. preservative and disinfectant

  2. bleaching and whitening agent

  3. painkiller

  4. deodorant


Correct Option: A
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.

Aspirin, a drug for curing headaches and pain is:

  1. pyridine

  2. acetylsalicylic acid

  3. anthraquinone

  4. benzaldehyde


Correct Option: B
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.

__________ is a disinfectant and is used for the preservation of zoological samples.

  1. Formaldehyde

  2. Acetic acid

  3. Ketone

  4. Alcohol


Correct Option: A
Explanation:

Formaldehyde in its aqueous solution called formalin (40% formaldehyde) is used as a disinfectant and for preserving the samples in labs.