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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 can cause a condition called ototoxicity?

  1. Aminoglycosides

  2. Loop diuretics

  3. Aspirin

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

Aminoglycosides, loop diuretics, and aspirin are among the drugs that can cause ototoxicity, a condition characterized by damage to the inner ear that can lead to hearing loss and balance problems.

Multiple choice

Which of the following drugs is associated with an increased risk of developing drug-induced lupus?

  1. Hydralazine

  2. Procainamide

  3. Isoniazid

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

Hydralazine, procainamide, and isoniazid are among the drugs that have been associated with an increased risk of developing drug-induced lupus, an autoimmune condition that can affect multiple organs.

Multiple choice

Which of the following drugs is known to cause a condition called agranulocytosis?

  1. Clozapine

  2. Methotrexate

  3. Valproic acid

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

Clozapine, methotrexate, and valproic acid are among the drugs that can cause agranulocytosis, a condition characterized by a severe decrease in the number of white blood cells.

Multiple choice

Which of the following is a sign of prescription drug abuse in the elderly?

  1. Taking more medication than prescribed

  2. Taking medication for longer than prescribed

  3. Mixing medications

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

Taking more medication than prescribed, taking medication for longer than prescribed, and mixing medications are all signs of prescription drug abuse in the elderly. These behaviors can lead to serious health problems, including overdose and death.

Multiple choice

Which of the following is a sign of over-the-counter drug abuse in the elderly?

  1. Taking more medication than recommended

  2. Taking medication for longer than recommended

  3. Mixing medications

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

Taking more medication than recommended, taking medication for longer than recommended, and mixing medications are all signs of over-the-counter drug abuse in the elderly. These behaviors can lead to serious health problems, including overdose and death.

Multiple choice

Which of the following is a sign of prescription drug abuse in the elderly?

  1. Taking more medication than prescribed

  2. Taking medication for longer than prescribed

  3. Mixing medications

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

Taking more medication than prescribed, taking medication for longer than prescribed, and mixing medications are all signs of prescription drug abuse in the elderly. These behaviors can lead to serious health problems, including overdose and death.

Multiple choice

Which of the following is a sign of over-the-counter drug abuse in the elderly?

  1. Taking more medication than recommended

  2. Taking medication for longer than recommended

  3. Mixing medications

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

Taking more medication than recommended, taking medication for longer than recommended, and mixing medications are all signs of over-the-counter drug abuse in the elderly. These behaviors can lead to serious health problems, including overdose and death.

Multiple choice

Which of the following is a common mechanism of action for antiparasitic drugs?

  1. Inhibiting parasite metabolism

  2. Interfering with parasite reproduction

  3. Damaging the parasite cell membrane

  4. Blocking parasite attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many antiparasitic drugs work by inhibiting the metabolism of the parasite, preventing its growth and reproduction.

Multiple choice

Which of the following is a common mechanism of action for cancer chemotherapy drugs?

  1. Inhibiting cell division

  2. Interfering with DNA replication

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many cancer chemotherapy drugs work by inhibiting cell division, preventing the growth and spread of cancer cells.

Multiple choice

What is the primary mechanism of action of taxanes, a class of cancer chemotherapy drugs?

  1. Inhibiting cell division

  2. Interfering with DNA replication

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Taxanes, such as paclitaxel and docetaxel, work by inhibiting cell division by interfering with the formation of microtubules, which are essential for cell division.

Multiple choice

Which of the following is a common mechanism of action for immunosuppressive drugs?

  1. Inhibiting T cell activation

  2. Interfering with cytokine production

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many immunosuppressive drugs work by inhibiting the activation of T cells, which play a key role in the immune response.

Multiple choice

What is the primary mechanism of action of calcineurin inhibitors, a class of immunosuppressive drugs?

  1. Inhibiting T cell activation

  2. Interfering with cytokine production

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Calcineurin inhibitors, such as cyclosporine and tacrolimus, work by inhibiting the activation of T cells by blocking the calcineurin signaling pathway.

Multiple choice

Which of the following is a common mechanism of action for anti-inflammatory drugs?

  1. Inhibiting prostaglandin synthesis

  2. Interfering with cytokine production

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many anti-inflammatory drugs work by inhibiting the synthesis of prostaglandins, which are involved in inflammation and pain.

Multiple choice

What is the primary mechanism of action of nonsteroidal anti-inflammatory drugs (NSAIDs)?

  1. Inhibiting prostaglandin synthesis

  2. Interfering with cytokine production

  3. Damaging the cell membrane

  4. Blocking cell attachment
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

NSAIDs, such as ibuprofen and naproxen, work by inhibiting the enzyme cyclooxygenase (COX), which is involved in the synthesis of prostaglandins.

Multiple choice

Which of the following is a common mechanism of action for antihypertensive drugs?

  1. Relaxing blood vessels

  2. Reducing heart rate

  3. Decreasing blood volume

  4. Blocking nerve impulses
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Many antihypertensive drugs work by relaxing blood vessels, reducing peripheral resistance and lowering blood pressure.