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
What is the most common type of constipation experienced by patients with advanced cancer?
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Opioid-induced constipation
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Mechanical constipation
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Functional constipation
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Idiopathic constipation
A
Correct answer
Explanation
Opioid-induced constipation is the most common type of constipation experienced by patients with advanced cancer. It is caused by the use of opioid pain medications.
What is the most effective treatment for asthma?
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Inhaled corticosteroids
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Long-acting beta-agonists
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Leukotriene modifiers
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Oral steroids
A
Correct answer
Explanation
Inhaled corticosteroids are the most effective treatment for asthma. They help to reduce inflammation in the airways and prevent asthma attacks.
Which of the following is NOT a type of anti-inflammatory drug?
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Nonsteroidal anti-inflammatory drugs (NSAIDs)
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Corticosteroids
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Antibiotics
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Biologic response modifiers
C
Correct answer
Explanation
Antibiotics are used to treat bacterial infections, while NSAIDs, corticosteroids, and biologic response modifiers are all types of anti-inflammatory drugs.
What is the first-line treatment for an acute asthma attack?
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Inhaled beta-agonists
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Oral steroids
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Oxygen therapy
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Intravenous fluids
A
Correct answer
Explanation
Inhaled beta-agonists are the first-line treatment for an acute asthma attack.
What is the first-line treatment for a COPD exacerbation?
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Inhaled beta-agonists
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Oral steroids
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Oxygen therapy
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All of the above
D
Correct answer
Explanation
Inhaled beta-agonists, oral steroids, and oxygen therapy are all first-line treatments for a COPD exacerbation.
Which of these is a common type of drug formulation?
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Tablet
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Capsule
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Solution
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All of the above
D
Correct answer
Explanation
Tablets, capsules, and solutions are all widely used drug formulations.
Which route of drug administration bypasses the gastrointestinal tract?
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Oral
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Intravenous
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Subcutaneous
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Rectal
B
Correct answer
Explanation
Intravenous administration directly delivers drugs into the bloodstream, bypassing the gastrointestinal tract.
What is the primary factor affecting drug absorption through the skin?
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Molecular weight of the drug
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Lipid solubility of the drug
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pH of the skin
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All of the above
B
Correct answer
Explanation
Lipid solubility is the primary factor influencing drug absorption through the skin.
Which drug delivery system is designed to release drugs over an extended period of time?
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Sustained-release tablet
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Transdermal patch
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Nasal spray
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Suppository
A
Correct answer
Explanation
Sustained-release tablets are formulated to release drugs gradually over an extended period.
Which type of drug formulation is commonly used for sustained release of drugs in the gastrointestinal tract?
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Enteric-coated tablet
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Sustained-release capsule
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Oral solution
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Suppository
B
Correct answer
Explanation
Sustained-release capsules are commonly used for sustained drug release in the gastrointestinal tract.
Which type of drug formulation is commonly used for sublingual administration?
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Tablet
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Capsule
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Lozenge
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Injection
C
Correct answer
Explanation
Lozenges are a common drug formulation for sublingual administration.
Which type of drug formulation is commonly used for rectal administration?
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Tablet
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Capsule
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Suppository
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Injection
C
Correct answer
Explanation
Suppositories are a common drug formulation for rectal administration.
What is the main active compound in turmeric that provides anti-inflammatory benefits?
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Curcumin
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Piperine
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Gingerol
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Quercetin
A
Correct answer
Explanation
Curcumin, a compound found in turmeric, possesses potent anti-inflammatory and antioxidant properties.
What is the term used to describe the combined use of multiple medications to treat a single condition?
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Polypharmacy
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Monotherapy
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Combination therapy
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Sequential therapy
A
Correct answer
Explanation
Polypharmacy refers to the simultaneous use of multiple medications to treat a single condition.
What is the primary mechanism of action of cytochrome P450 enzymes in drug metabolism?
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Oxidation
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Reduction
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Hydrolysis
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Glucuronidation
A
Correct answer
Explanation
Cytochrome P450 enzymes primarily metabolize drugs through oxidation reactions.