Chemistry ยท 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

What is the primary active compound found in turmeric that gives it its anti-inflammatory properties?

  1. Curcumin

  2. Piperine

  3. Capsaicin

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

Curcumin is the main bioactive compound in turmeric, known for its potent anti-inflammatory and antioxidant properties.

Multiple choice

Which of the following is a common type of pharmaceutical dosage form?

  1. Tablets

  2. Capsules

  3. Injections

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

Tablets, capsules, and injections are all common types of pharmaceutical dosage forms.

Multiple choice

Which of the following is a common type of pharmaceutical excipient?

  1. Binders

  2. Disintegrants

  3. Lubricants

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

Binders, disintegrants, and lubricants are all common types of pharmaceutical excipients.

Multiple choice

Which of the following is NOT a type of receptor that can be targeted by toxic substances?

  1. Ligand-gated ion channels

  2. G protein-coupled receptors

  3. Nuclear receptors

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

Enzymes are not receptors. Ligand-gated ion channels, G protein-coupled receptors, and nuclear receptors are all types of receptors that can be targeted by toxic substances.

Multiple choice

Which of the following is NOT a common type of performance-enhancing drug used by athletes?

  1. Anabolic steroids

  2. Creatine

  3. Human growth hormone

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

Caffeine is a stimulant that can improve alertness and focus, but it is not considered a performance-enhancing drug in the same way that anabolic steroids, human growth hormone, and other substances are.

Multiple choice

Which of the following is an example of a competitive inhibitor?

  1. Methotrexate

  2. Penicillin

  3. Aspirin

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

Methotrexate is an example of a competitive inhibitor, which binds to the active site of an enzyme and prevents the substrate from binding.

Multiple choice

Which of the following is an example of a non-competitive inhibitor?

  1. Methotrexate

  2. Penicillin

  3. Aspirin

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

Aspirin is an example of a non-competitive inhibitor, which binds to a site on an enzyme other than the active site and alters its conformation.

Multiple choice

You are a doctor and must decide whether to prescribe a new drug to a patient that has potentially serious side effects. You know that the drug could help the patient, but you also know that it could also cause them harm. What do you do?

  1. Prescribe the drug.

  2. Do not prescribe the drug.

  3. Try to find a compromise that allows you to prescribe the drug in a way that minimizes the potential for harm.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In this scenario, it is generally considered morally permissible to try to find a compromise that allows you to prescribe the drug in a way that minimizes the potential for harm, as it is important to balance the need to help the patient with the need to protect them from harm.

Multiple choice

Which of the following is an example of a targeted therapy used in cancer treatment?

  1. Chemotherapy

  2. Radiation therapy

  3. Immunotherapy

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

Hormone therapy is a targeted therapy that involves the use of hormones to block the growth of hormone-sensitive cancers.

Multiple choice

Which of the following is NOT a common opioid used for pain management?

  1. Morphine

  2. Oxycodone

  3. Hydrocodone

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

Ibuprofen is not an opioid. Morphine, oxycodone, and hydrocodone are all opioids commonly used for pain management.

Multiple choice

Which of the following is NOT a common non-opioid medication used for pain management?

  1. Acetaminophen

  2. Ibuprofen

  3. Aspirin

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

Gabapentin is not a non-opioid medication. Acetaminophen, ibuprofen, and aspirin are all non-opioid medications commonly used for pain management.

Multiple choice

Which of the following is NOT a common route of administration for morphine?

  1. Oral

  2. Intravenous

  3. Subcutaneous

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

Rectal is not a common route of administration for morphine. Oral, intravenous, and subcutaneous are more commonly used.

Multiple choice

Which medication is commonly used to relieve bronchospasm in COPD patients?

  1. Beta-agonists

  2. Anticholinergics

  3. Steroids

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

Beta-agonists, such as salbutamol or albuterol, are bronchodilators that help relax the muscles surrounding the airways, providing relief from bronchospasm and improving airflow in COPD patients.

Multiple choice

Which of the following is a treatment option for urethral stricture?

  1. Medication

  2. Dilation

  3. Surgery

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

Treatment options for urethral stricture include medication, dilation, and surgery, depending on the severity and location of the stricture.

Multiple choice

What are some examples of enzyme inhibitors?

  1. Drugs

  2. Toxins

  3. Heavy metals

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

Enzyme inhibitors can be drugs, toxins, heavy metals, or other molecules that bind to enzymes and reduce their activity.