Chemistry · Biology

Pharmacology and Therapeutics

1,699 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 compounds does not represent an autacoid?

  1. Angiotensin

  2. Histamine

  3. Prostaglandin

  4. Somatomammotropin

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

Autocoids are a group of substances found naturally in our body that resemble hormones or drugs in their activity on cells, and thus act on restricted areas of our body. Somatomammotropin is a typical hormone and not an example of autocoid.

Multiple choice

Aspirin can be found in many household medicine cabinets. But what is it chemically?

  1. Ibuprofen

  2. Paracetamol

  3. Acetylsalicylic acid

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

Aspirin is chemically known as acetylsalicylic acid (C9H8O4). It is derived from salicylic acid found in willow bark and was first synthesized in a stable form by Felix Hoffmann at Bayer in 1897. Ibuprofen and paracetamol are different pain relievers with different chemical structures and mechanisms of action.

Multiple choice

Amitriptyline is a drug which can be classified under ______.

  1. antihistamine

  2. anticholinergics

  3. antipsychotic

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

Amitriptyline is a tricyclic antidepressant (TCA), one of the oldest classes of antidepressant medications. It works by increasing the levels of neurotransmitters norepinephrine and serotonin in the brain. It is primarily used to treat major depressive disorder and various neuropathic pain conditions.

Multiple choice

Analgesic is meant to _____ pain.

  1. increase

  2. suppress

  3. maintain

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

Analgesics are medications specifically designed to relieve pain by acting on the nervous system to suppress pain signals. The term comes from Greek 'an' (without) and 'algos' (pain). Common analgesics include paracetamol, ibuprofen, and aspirin.

Multiple choice

Which of the following statements is/are correct?

  1. Reserpine is used to control high blood pressure.
  2. Cryptostegia grandiflora produces natural rubber.
  3. Digoxin is extracted from Brassica oleracea and used as an anticancer agent.

  1. Only 1

  2. Only 2

  3. Only 3

  4. Only 1 and 2

  5. Only 2 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
  1. Reserpine is an indole alkaloid, antipsychotic and antihypertensive drug that has been used for the control of high blood pressure and for the relief of psychotic symptoms. Reserpine is derived from Rauwolfia serpantina.
    1. Cryptostegia grandiflora, commonly known as rubber vine, is a woody-perennial vine that is native to south-west Madagascar. Its latex contains commercial quality rubber.
    2. Brassica oleracea is the species of plant that includes many common foods as cultivars, including cabbage, broccoli, cauliflower, kale. In its uncultivated form it is known as wild cabbage. B. oleracea has become established as an important human food crop plant, used because of its large food reserves, which are stored over the winter in its leaves. It is rich in essential nutrients including vitamin C. Digoxin extracted from the foxglove (Digitalis lanata) plant. Digoxin is widely used in the treatment of various heart conditions.