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

Which of the following drugs is/are used as tranquiliser/s?

  1. Emtricitabine
  2. Valium
  3. Equanil
  4. Seconal

  1. Only 1 and 2

  2. Only 2 and 3

  3. Only 3 and 4

  4. Only 1, 2 and 3

  5. Only 2, 3 and 4
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Tranquilisers are neurologically active drugs. These affect the message transfer mechanism from nerve to receptor. Common tranquilisers are - diazepam (Valium), chlordiazepoxide (Librium) and alprazolam (Xanax), seconal (secobarbital), etc. Emtricitabine or tenofovir is a fixed-dose combination drug for the treatment of HIV infection.
Hence, valium, equanil and seconal are used as tranquiliser drugs.

Multiple choice

Which of the following pairs represents antifertility drugs only?

  1. Drospirenone and gemifloxacin

  2. Ethinyl Estradiol and Prilosac

  3. Desogestrel and Etomidate

  4. Levonorgestrel and prilosac

  5. Desogestrel and Levonorgestrel
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Contraceptives or antifertility drugs are birth-controlling drugs, prevent pregnancy. Estrogen and progestin are two female sex hormones. Combinations of estrogen and progestin work by preventing ovulation (the release of eggs from the ovaries). Examples are- Drospirenone, Ethinyl Estradiol, Desogestrel, Levonorgestrel etc. Antacids are used to reduce the acidity in stomach. Examples are- prilosac, ranitidine, etc. Gemifloxacin is an antibiotic drug. Etomidate, marketed as Amidate, is a short acting intravenous anaesthetic agent used for the induction of general anaesthesia and for sedation.

Multiple choice

Which of the following is not an antihistamine agent?

  1. Dexamethasone

  2. loratadine

  3. Cetrizine

  4. Cladribine

  5. Clemestine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Antihistamines reduce or block histamines, so they stop allergy symptoms. Examples are- Cetrizine, Betamethasone, dexamethasone, hydroxyzine, loratadine, clemestine, etc. Cladribine is used as chemotherapy drug.

Multiple choice

Which of the following statements is/are false? P. Bithionol is used as antiviral drug. Q. Busulfan is used as sedative agent. R. Imiquimod is used as anticancer drug.

  1. Only P

  2. Only Q

  3. Only R

  4. Only P and Q

  5. Only Q and R
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

P. Bithionol is an anthelmintic drug. Bithionol is also added to soaps imparting antiseptic properties. Q. Busulfan is used as anticancer agent. R. Imiquimod is a patient-applied cream used to treat certain diseases of the skin, especially, including skin cancers (basal cell carcinoma, Bowen's disease. Hence, the statement P and Q both are false.

Multiple choice

Which of the following pairs is incorrectly matched?

  1. Cetrizine - antihistamine

  2. Buprenorphine - antacid

  3. Arsphenamine - antibiotic

  4. Cladribine - anticancer

  5. Veronal - tranquiliser
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Buprenorphine is a semi-synthetic partial opioid agonist that is used to treat opioid addiction in higher dosages, to control moderate acute pain.

Multiple choice

Which of the following statements is/are false about anticancer drugs? P. Gemcitabine is belonging to alkylating agent class. Q. Dacarbazine and temozolomide both are of anthracyclines class anticancer drugs. R. Imiquimod is used to treat Bowen's disease.

  1. Only P

  2. Only Q

  3. Only R

  4. Only P and Q

  5. Only Q and R
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

P. Gemcitabine is belonging to antimetabolite class of chemotherapy drug. Q. Dacarbazine and temozolomide both are triazine type anticancer drugs belong to the alkylating agent class.  Hence, the statement P and Q both are false.

Multiple choice

Serpasil is

  1. a tranquilizer

  2. not a natural product

  3. produced by micro-organisms

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

Serpasil (reserpine) is a drug derived from the Rauwolfia serpentina plant. It is historically classified as a tranquilizer used to treat high blood pressure and mental disorders.

Multiple choice

The acid that can be used as a hypnotic is

  1. tartaric acid

  2. benzoic acid

  3. barbituric acid

  4. barbituric acid
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Barbituric acid derivatives, known as barbiturates, are central nervous system depressants used as sedatives or hypnotics.

Multiple choice

Paracetamol

  1. relieves body pain

  2. is an antibiotic

  3. is a sulpha drug

  4. causes stomach ulcers
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paracetamol is an analgesic (pain reliever) and antipyretic (fever reducer). It is not an antibiotic, which is used to treat bacterial infections.

Multiple choice

T.N.T. is a

  1. medicine

  2. detergent

  3. fibre

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

TNT stands for Trinitrotoluene, which is a chemical compound widely used as an explosive due to its stability and power.