Chemistry ยท 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
Which type of hepatitis requires antiviral medication for treatment?
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Hepatitis A
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Hepatitis B
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Hepatitis C
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All of the above
Correct answer
Explanation
Antiviral medication is used to treat chronic hepatitis B and C to prevent serious complications.
Which type of hepatitis can be cured with antiviral medication?
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Hepatitis A
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Hepatitis B
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Hepatitis C
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All of the above
C
Correct answer
Explanation
Hepatitis C can be cured with antiviral medication, while hepatitis B and A do not have a cure.
Which of the following is a common treatment for asthma in children?
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Inhaled corticosteroids
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Bronchodilators
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Leukotriene modifiers
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All of the above
D
Correct answer
Explanation
Inhaled corticosteroids, bronchodilators, and leukotriene modifiers are all common treatments for asthma in children.
Which of the following drugs can interfere with the absorption of vitamin B12?
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Metformin
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Omeprazole
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Colchicine
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All of the above
Correct answer
Explanation
Metformin, omeprazole, and colchicine can all interfere with the absorption of vitamin B12. Metformin can decrease the absorption of vitamin B12 in the small intestine, while omeprazole and colchicine can interfere with the absorption of vitamin B12 in the stomach.
Which of the following drugs can increase the excretion of potassium?
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Thiazide diuretics
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Loop diuretics
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ACE inhibitors
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Beta-blockers
Correct answer
Explanation
Thiazide diuretics can increase the excretion of potassium by inhibiting the reabsorption of potassium in the kidneys.
Which of the following drugs can interfere with the absorption of iron?
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Tetracycline
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Ciprofloxacin
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Calcium supplements
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All of the above
Correct answer
Explanation
Tetracycline, ciprofloxacin, and calcium supplements can all interfere with the absorption of iron. Tetracycline and ciprofloxacin can chelate iron and prevent its absorption in the small intestine, while calcium supplements can bind to iron and form insoluble complexes that are not absorbed.
Which of the following drugs can increase the excretion of calcium?
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Loop diuretics
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Thiazide diuretics
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ACE inhibitors
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Beta-blockers
Correct answer
Explanation
Loop diuretics can increase the excretion of calcium by inhibiting the reabsorption of calcium in the kidneys.
Which of the following drugs can interfere with the absorption of folate?
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Methotrexate
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Sulfasalazine
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Trimethoprim
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All of the above
Correct answer
Explanation
Methotrexate, sulfasalazine, and trimethoprim can all interfere with the absorption of folate. Methotrexate and sulfasalazine can inhibit the transport of folate across the intestinal mucosa, while trimethoprim can interfere with the metabolism of folate.
Which of the following drugs can increase the excretion of magnesium?
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Loop diuretics
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Thiazide diuretics
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ACE inhibitors
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Beta-blockers
Correct answer
Explanation
Loop diuretics can increase the excretion of magnesium by inhibiting the reabsorption of magnesium in the kidneys.
Which of the following nutrients can interfere with the metabolism of cyclosporine?
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Grapefruit juice
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St. John's wort
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Garlic
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All of the above
Correct answer
Explanation
Grapefruit juice, St. John's wort, and garlic can all interfere with the metabolism of cyclosporine. Grapefruit juice and St. John's wort can increase the metabolism of cyclosporine, while garlic can decrease the metabolism of cyclosporine.
Which of the following drugs can increase the excretion of zinc?
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Penicillamine
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Furosemide
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Hydrochlorothiazide
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All of the above
Correct answer
Explanation
Penicillamine, furosemide, and hydrochlorothiazide can all increase the excretion of zinc. Penicillamine can chelate zinc and increase its excretion in the urine, while furosemide and hydrochlorothiazide can increase the excretion of zinc in the urine by inhibiting its reabsorption in the kidneys.
What is the most common type of antiparasitic drug used to treat infectious diseases?
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Mebendazole
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Albendazole
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Praziquantel
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Ivermectin
A
Correct answer
Explanation
Mebendazole is the most common type of antiparasitic drug used to treat infectious diseases, as it is effective against a wide range of parasites.
What is the recommended treatment for HIV-associated rheumatoid arthritis?
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Nonsteroidal anti-inflammatory drugs (NSAIDs)
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Disease-modifying antirheumatic drugs (DMARDs)
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Glucocorticoids
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All of the above
D
Correct answer
Explanation
Treatment for HIV-associated rheumatoid arthritis typically involves a combination of nonsteroidal anti-inflammatory drugs (NSAIDs), disease-modifying antirheumatic drugs (DMARDs), and glucocorticoids.
What are the medications that can be used to treat atherosclerosis?
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Statins
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Blood pressure medications
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Antiplatelet medications
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Anticoagulants
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All of the above
E
Correct answer
Explanation
The medications that can be used to treat atherosclerosis include statins, blood pressure medications, antiplatelet medications, and anticoagulants.
Which of the following medications is commonly used to treat acne in adolescents?
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Isotretinoin
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Benzoyl peroxide
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Salicylic acid
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Clindamycin
A
Correct answer
Explanation
Isotretinoin is a retinoid medication that is effective in treating severe acne in adolescents.