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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

What is the antidote for digoxin overdose?

  1. Digibind

  2. Naloxone

  3. Activated charcoal

  4. N-acetylcysteine (NAC)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Digibind is the antidote for digoxin overdose.

Multiple choice

What is the antidote for iron overdose?

  1. Deferoxamine

  2. Naloxone

  3. Activated charcoal

  4. N-acetylcysteine (NAC)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Deferoxamine is the antidote for iron overdose.

Multiple choice

What is the antidote for lead poisoning?

  1. Chelation therapy

  2. Naloxone

  3. Activated charcoal

  4. N-acetylcysteine (NAC)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chelation therapy is the antidote for lead poisoning.

Multiple choice

Which of the following is not a prohibited ingredient under Schedule H of the Drugs and Cosmetics Rules, 1945?

  1. Mercury

  2. Lead

  3. Arsenic

  4. Sodium Lauryl Sulfate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mercury, lead, and arsenic are prohibited ingredients under Schedule H of the Drugs and Cosmetics Rules, 1945 due to their potential toxicity and harmful effects on human health. Sodium Lauryl Sulfate, on the other hand, is a commonly used surfactant that is not prohibited.

Multiple choice

Which of the following is NOT a common medication used for pain management in palliative care?

  1. Morphine

  2. Fentanyl

  3. Ibuprofen

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

Ibuprofen is not typically used for pain management in palliative care, as it is not as effective as opioids in managing severe pain.

Multiple choice

What is the primary active compound in lemon balm that contributes to its calming and sedative properties?

  1. Citral

  2. Eugenol

  3. Piperine

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

Citral is the primary active compound in lemon balm. It is responsible for the herb's calming and sedative properties.

Multiple choice

Which of the following is a potential drug interaction with SSRIs?

  1. Warfarin

  2. Aspirin

  3. Ibuprofen

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

SSRIs can interact with warfarin, increasing the risk of bleeding due to inhibition of warfarin metabolism.

Multiple choice

Which of the following is a potential drug interaction with pregabalin?

  1. Alcohol

  2. Opioids

  3. Benzodiazepines

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

Pregabalin can interact with alcohol, potentiating the sedative effects of both substances.

Multiple choice

Which of the following is a potential drug interaction with propranolol?

  1. Warfarin

  2. Aspirin

  3. Ibuprofen

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

Propranolol can interact with warfarin, increasing the risk of bleeding due to inhibition of warfarin metabolism.

Multiple choice

Which of the following is NOT a route of drug administration?

  1. Oral

  2. Intravenous

  3. Transdermal

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

Transdermal is not a route of drug administration, but rather a method of drug delivery through the skin.

Multiple choice

The rate and extent of drug absorption is primarily determined by which of the following factors?

  1. Drug formulation

  2. Physicochemical properties of the drug

  3. Route of administration

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

The rate and extent of drug absorption are influenced by a combination of drug formulation, physicochemical properties of the drug, and the route of administration.

Multiple choice

The distribution of a drug in the body is influenced by which of the following factors?

  1. Protein binding

  2. Tissue perfusion

  3. Drug lipophilicity

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

The distribution of a drug in the body is affected by protein binding, tissue perfusion, and drug lipophilicity.

Multiple choice

Which of the following is NOT a mechanism of drug metabolism?

  1. Phase I reactions

  2. Phase II reactions

  3. Excretion

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

Excretion is the process of eliminating drugs and their metabolites from the body, not a mechanism of drug metabolism.

Multiple choice

The primary site of drug metabolism is the:

  1. Liver

  2. Kidneys

  3. Lungs

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

The liver is the primary site of drug metabolism, where enzymes such as cytochrome P450 enzymes play a crucial role in metabolizing drugs.

Multiple choice

The process of eliminating drugs and their metabolites from the body is known as:

  1. Absorption

  2. Distribution

  3. Metabolism

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

Excretion is the process of eliminating drugs and their metabolites from the body, typically through the kidneys, liver, or intestines.